Basic Fixed-Site Water-Quality Records
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KISKIMINETAS RIVER BASIN
03040000 STONYCREEK RIVER AT FERNDALE, PA
(National water-quality assessment station)
LOCATION.--Lat 40`17'08", long 78`55'15", Cambria County, Hydrologic unit 05010007, on right bank 50 ft upstream
from highway bridge at Ferndale, 0.4 mi downstream from Bens Creek, 1.2 mi upstream from Johnstown city limits,
and 5.2 mi upstream from confluence with Little Conemaugh River.
DRAINAGE AREA.--451 mi2.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--October 1913 to March 1936, October 1938 to current year. Monthly discharge only for some
periods, published in WSP 1305. Monthly figures adjusted for storage and diversion for October 1918 to
September 1921, published in WSP 503, 523, have been found in error and should not be used. Published as "at
Johnstown" 1914-36, and as "Stony Creek at Ferndale" 1938-79. Gage-height records collected in this vicinity
since 1885 are contained in reports of U.S. Weather Bureau.
REVISED RECORDS.--WSP 743: Drainage area. WSP 1305: 1915, 1918, 1923-26. WSP 1435: 1920-21, 1932,
1941 (M), 1943 (M), 1945-46 (M). WDR PA-78-3: 1977 (M). See also PERIOD OF RECORD.
GAGE.--Water-stage recorder. Datum of gage is 1,184.06 ft above sea level. Prior to Mar. 19, 1936, nonrecording
gage at site 3.5 mi downstream at different datum. Dec. 8, 1938 to Jan. 30, 1940, nonrecording gage at site
50 ft downstream at present datum.
REMARKS.--Records good except for estimated daily discharges, which are fair. Regulation by mine pumpage and
reservoirs and diversion above station; the four largest reservoirs have a combined capacity of 42,360 acre-ft.
Figures of daily discharge do not include diversion from Stonycreek River and Quemahoning Creek Reservoir to
plants of Bethlehem Steel Co., and from Mill Creek, Dalton Run, and North Fork Bens Creek Reservoirs for water
supply of city of Johnstown. Several measurements of water temperature were made during the year. U.S. Army
Corps of Engineers satellite telemeter at station.
DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 461 299 2310 e520 741 4180 1230 871 1460 571 194 155
2 446 1130 1740 e470 692 2970 1230 946 815 425 155 116
3 387 797 1410 e490 650 2590 915 913 670 340 143 104
4 374 521 1290 e540 658 2040 826 881 551 292 132 94
5 355 434 1180 e610 832 1690 768 1530 410 289 123 87
6 338 398 1050 e740 1010 1440 681 4120 358 265 114 82
7 309 2440 949 e1000 927 1320 613 2270 316 241 109 101
8 140 9990 880 3890 806 1840 612 2600 298 471 103 137
9 107 4790 797 4210 736 3630 1150 2450 270 611 114 117
10 106 2680 836 2690 706 3510 4750 1890 282 423 193 113
11 104 1880 1280 1920 807 2350 3010 1600 283 299 217 101
12 101 1450 1320 1510 1750 1760 1850 2100 480 249 149 85
13 98 1210 1070 1320 1940 1450 1400 1920 656 227 125 81
14 98 1280 899 1160 1430 1290 1200 1570 1020 206 114 78
15 96 1470 770 1030 1110 1110 1210 1310 689 204 133 74
16 100 1330 692 1000 983 961 1020 1120 661 241 270 75
17 100 1170 648 965 1200 857 903 1020 819 246 201 80
18 112 1100 594 892 3450 932 792 853 1030 204 206 79
19 104 995 553 776 4320 1360 1630 747 2280 180 174 79
20 86 950 537 683 3310 1230 3270 629 3460 176 137 80
21 76 966 519 598 2890 2140 2100 537 1700 175 120 91
22 75 1560 501 574 2280 2120 1560 476 1190 240 111 110
23 74 1600 567 753 1940 1620 1290 437 960 237 107 97
24 78 1310 684 1190 1790 1420 1100 399 800 276 108 85
25 161 1160 1060 1020 1510 1270 948 438 644 207 131 82
26 171 995 1120 842 1430 1160 1050 386 547 180 139 101
27 185 997 975 753 1540 1070 1710 345 499 170 121 134
28 164 1420 865 754 2860 1010 1220 312 458 157 108 138
29 128 2000 767 743 --- 931 1000 296 450 143 99 132
30 114 1780 e680 930 --- 847 911 311 435 143 98 128
31 104 --- e580 891 --- 760 --- 329 --- 238 253 ---
TOTAL 5352 50102 29123 35464 44298 52858 41949 35606 24491 8326 4501 3016
MEAN 173 1670 939 1144 1582 1705 1398 1149 816 269 145 101
MAX 461 9990 2310 4210 4320 4180 4750 4120 3460 611 270 155
MIN 74 299 501 470 650 760 612 296 270 143 98 74
CFSM .38 3.70 2.08 2.54 3.51 3.78 3.10 2.55 1.81 .60 .32 .22
IN. .44 4.13 2.40 2.93 3.65 4.36 3.46 2.94 2.02 .69 .37 .25
e Estimated.
KISKIMINETAS RIVER BASIN
03040000 STONYCREEK RIVER AT FERNDALE, PA--Continued
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1939 - 1998, BY WATER YEAR (WY)
OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
MEAN 245 427 691 775 1043 1622 1346 837 505 265 179 189
MAX 1514 2099 2162 1929 2575 3581 3426 1792 1773 874 1098 1449
(WY) 1977 1986 1973 1952 1986 1994 1993 1978 1972 1977 1979 1996
MIN 13.6 20.4 48.4 137 262 367 336 186 77.4 28.4 26.3 18.9
(WY) 1964 1954 1954 1977 1963 1990 1946 1941 1965 1965 1957 1943
SUMMARY STATISTICS FOR 1997 CALENDAR YEAR FOR 1998 WATER YEAR WATER YEARS 1939 - 1998
ANNUAL TOTAL 289743 335086
ANNUAL MEAN 794 918 677
HIGHEST ANNUAL MEAN 1044 1996
LOWEST ANNUAL MEAN 280 1954
HIGHEST DAILY MEAN 9990 Nov 8 9990 Nov 8 15900 Jun 23 1972
LOWEST DAILY MEAN 74 Oct 23 74 Oct 23a 11 Sep 26 1959
ANNUAL SEVEN-DAY MINIMUM 86 Oct 18 78 Sep 14 12 Oct 5 1963
INSTANTANEOUS PEAK FLOW 13300 Nov 8 b59000 Mar 18 1936
INSTANTANEOUS PEAK STAGE 10.86 Nov 8 c30.26 Mar 18 1936
INSTANTANEOUS LOW FLOW 70 Oct 23,24 d5.0 Sep 8 1929
ANNUAL RUNOFF (CFSM) 1.76 2.04 1.50
ANNUAL RUNOFF (INCHES) 23.90 27.64 20.41
10 PERCENT EXCEEDS 1750 1940 1610
50 PERCENT EXCEEDS 459 692 333
90 PERCENT EXCEEDS 121 104 58
a Also Sept. 15.
b From rating curve extended above 13,000 ft3/s on the basis of slope-area and contracted-opening measurement
of peak flow.
c From highwater mark, site and datum then in use.
d Minimum observed.
KISKIMINETAS RIVER BASIN
03040000 STONYCREEK RIVER AT FERNDALE, PA--Continued
(National Water-Quality Assessment station)
WATER-QUALITY RECORDS
PERIOD OF RECORD.--October 1975 to September 1981, September 1992 to May 1994, April 1996 to September 1998
(discontinued).
PERIOD OF DAILY RECORD.--
SPECIFIC CONDUCTANCE: July 1997 to September 1997, March 1998 to September 1998.
pH: July 1997 to September 1997, March 1998 to September 1998.
WATER TEMPERATURE: January 1978 to September 1979, November 1996 to September 1998.
SUSPENDED SEDIMENT DISCHARGE: February 1977 to September 1979.
INSTRUMENTATION.--From January 1978 to September 1979, water temperatures were once daily readings by an observer
and suspended sediment samples were collected daily and more often during storm events by an observer. From
November 1996 to current year, daily records of water temperature, specific conductance and pH were measured
and collected at hourly intervals with in-situ probes and electronic data loggers.
REMARKS.--All water-quality samples were collected and analyzed by the U.S. Geological Survey. Interruptions in
the daily record were due to frozen river conditions or malfunctions of the equipment. Water temperature,
specific conductance, and pH data from the in-situ probes often times did not exactly agree with the water
temperature, specific conductance, and pH of the monthly and storm samples because of the fixed location of the
in-situ probes. Additional sites in the (NAWQA) fixed-station network are shown in figure 6 on page 28. An
explanation of selected abbreviations used in the water-quality tables are given on pages 29-31.
EXTREMES FOR PERIOD OF DAILY RECORD.--
WATER TEMPERATURES: Maximum, 27.5`C, July 3, 1997; minimum, 0.0`C, many days during winter period.
SEDIMENT CONCENTRATIONS: Maximum daily, 2,800 µg/L, June 17, 1978; minimum daily, 2 µg/L,
September 9, 10, 11, 1978.
SEDIMENT DISCHARGES: Maximum daily, 20,900 tons, March 5, 1979; minimum daily, 0.44 ton,
September 10, 11, 1978
WATER-QUALITY DATA, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DIS- PH BARO-
CHARGE, SPE- WATER METRIC HARD- ACIDITY MAGNE-
INST. CIFIC WHOLE PRES- NESS TOTAL CALCIUM SIUM,SODIUM,
CUBIC CON- FIELD TEMPER- SURE OXYGEN, TOTAL HEATED DIS- DIS- DIS-
FEET DUCT- (STAND- ATURE (MM DIS- (MG/L (MG/L SOLVED SOLVED SOLVED
DATE TIME PER ANCE ARD WATER OF SOLVED AS AS (MG/L (MG/L (MG/L
SECOND (µS/CM) UNITS) (DEG C) HG) (MG/L) CACO3) CAC03) AS CA) AS MG) AS NA)
(00061) (00095) (00400) (00010) (00025) (00300) (00900) (70508) (00915) (00925)
(00930)
OCT
08... 1000 125 645 6.5 19.0 733 9.4 260 7.6 70 22 22
NOV
08... 1640 10100 139 6.5 7.0 720 11.7 43 7.6 11 3.6 3.7
DEC
12... 0905 1380 330 7.0 3.5 450 11.4 110 4.6 28 9.8 11
JAN
09... 1600 4010 229 7.2 7.0 722 12.4 74 2.6 19 6.6 7.4
21... 1150 602 417 7.1 1.0 733 14.3 170 7.2 42 15 11
FEB
26... 1100 1420 350 6.8 4.0 729 13.2 130 8.0 31 12 12
MAR
17... 0940 868 370 6.0 3.0 735 13.8 140 14 35 14 8.6
APR
14... 1035 1210 301 6.6 11.0 722 8.9 120 8.0 30 11 8.3
20... 1550 3080 228 6.9 9.5 730 11.0 82 3.2 20 7.4 7.0
27... 1615 1590 256 7.0 12.5 745 10.8 98 5.0 24 8.9 7.3
MAY
06... 1430 3550 188 7.0 14.0 739 10.2 68 3.8 18 5.9 5.3
29... 1015 510 620 6.2 19.5 740 6.4 280 10 68 27 13
JUN
25... 1040 667 347 6.7 21.0 743 9.4 140 3.8 35 13 8.7
JUL
14... 1050 203 595 6.7 23.0 742 8.5 260 17.0 64 24 16
AUG
11... 1000 230 542 7.1 22.0 737 8.4 220 4.0 58 19 16
SEP
28... 1015 137 762 6.9 20.0 739 9.0 360 4.2 87 35 15
KISKIMINETAS RIVER BASIN
03040000 STONYCREEK RIVER AT FERNDALE, PA--Continued
WATER-QUALITY DATA, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
ALKA- SOLIDS, NITRO- NITRO- NITRO- NITRO-
POTAS- LINITY CHLO- FLUO- SILICA, RESIDUE GEN, GEN, GEN, GEN,AM-
SIUM, WAT DIS SULFATE RIDE, RIDE, DIS- AT 180 NITRITE NO2+NO3 AMMONIA MONIA +
DIS- TOT IT DIS- DIS- DIS- SOLVED DEG. C DIS- DIS- DIS- ORGANIC
SOLVED FIELD SOLVED SOLVED SOLVED (MG/L DIS- SOLVED SOLVED SOLVED TOTAL
DATE (MG/L MG/L AS (MG/L (MG/L (MG/L AS SOLVED (MG/L (MG/L (MG/L (MG/L
AS K) CACO3 AS SO4) AS CL) AS F) SIO2) (MG/L) AS N) AS N) AS N) AS N)
(00935) (39086) (00945) (00940) (00950) (00955) (70300) (00613) (00631) (00608) (00625)
OCT
08... 2.3 27 270 13 .17 5.3 404 .013 .793 .253 .38
NOV
08... 2.0 6 37 5.5 <.10 4.0 92 .013 .899 .030 .57
DEC
12... 1.7 9 97 17 <.10 5.6 189 .021 1.06 .068 .27
JAN
09... 1.7 10 61 12 .11 5.2 142 .010 1.07 .028 .30
21... 1.6 5 160 13 <.10 6.4 269 .019 .863 .086 .16
FEB
26... 1.5 7 120 16 <.10 5.8 214 <.010 .890 .097 .22
MAR
17... 1.3 3 140 10 <.10 6.2 237 <.010 .777 .129 .19
APR
14... 1.4 6 110 9.6 <.10 5.7 191 <.010 .749 .121 .22
20... 1.5 8 67 9.9 <.10 4.8 134 .013 .751 .088 .36
27... 1.3 6 91 8.7 <.10 5.0 164 <.010 .611 .105 .26
MAY
06... 1.3 8 59 6.7 .10 4.8 134 <.010 .653 .054 .54
29... 2.1 3 290 9.8 <.10 6.8 451 .019 .524 .198 .20
JUN
25... 1.5 9 130 8.4 .12 5.6 244 .010 .571 .196 .35
JUL
14... 2.0 3 260 11 .14 6.6 429 .016 .432 .336 .36
AUG
11... 2.8 17 220 12 <.10 6.9 362 .012 .719 .329 .57
SEP
28... 2.9 9 350 15 .11 5.8 483 .018 .598 1.12 1.2
NITRO- PHOS- CARBON, SED.
GEN,AM- PHOS- PHORUS ALUM- MANGA- CARBON, ORGANIC SUSP.
MONIA + PHOS- PHORUS ORTHO, INUM, IRON, NESE, ORGANIC SUS- SEDI- SIEVE
ORGANIC PHORUS DIS- DIS- DIS- DIS- DIS- DIS- PENDED MENT, DIAM.
DIS. TOTAL SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED TOTAL SUS- % FINER
DATE (MG/L (MG/L (MG/L (MG/L (µG/L (µG/L (µG/L (MG/L (MG/L PENDED THAN
AS N) AS P) AS P) AS P) AS AL) AS FE) AS MN) AS C) AS C) (MG/L) .062 MM
(00623) (00665) (00666) (00671) (01106) (01046) (01056) (00681) (00689) (80154) (70331)
OCT
08... .37 <.010 .017 <.010 28 240 1200 1.1 .20 4 86
NOV
08... .28 .074 <.010 .012 118 100 377 4.3 .70 97 74
DEC
12... .19 .012 <.010 .013 -- 400 775 1.4 .70 14 96
JAN
09... .18 .026 <.010 <.010 33 130 381 2.1 .70 23 82
21... .13 <.010 <.010 <.010 24 830 1070 .80 .20 12 98
FEB
26... <.10 <.010 <.010 <.010 13 560 888 .90 .50 13 93
MAR
17... .14 <.010 <.010 <.010 130 860 1060 .80 .40 12 98
APR
14... .12 .026 <.010 <.010 16 340 739 1.2 .60 14 56
20... .16 .055 <.010 <.010 32 87 435 2.0 .50 21 66
27... .13 <.010 <.010 <.010 25 240 611 1.4 .90 19 80
MAY
06... .20 .068 <.010 <.010 57 69 388 2.5 1.7 115 46
29... .17 <.010 <.010 <.010 112 320 1750 .80 .20 9 73
JUN
25... .15 <.010 <.010 .011 38 120 804 1.1 .40 8 89
JUL
14... .32 <.010 <.010 .017 98 340 1780 .90 .40 7 48
AUG
11... .42 .043 <.010 <.010 43 46 1110 1.4 1.1 31 83
SEP
28... 1.3 .050 <.050 <.010 32 180 1860 1.3 1.3 16 63
KISKIMINETAS RIVER BASIN
03040000 STONYCREEK RIVER AT FERNDALE, PA.
REMARKS.--The following data are for dissolved trace elements in surface water filtered through a .45mm filter.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DIS-
CHARGE, ALUM- ANTI- BERYL- CHRO-
INST. INUM, MONY, ARSENIC BARIUM, LIUM, CADMIUM MIUM, COBALT,
CUBIC DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS-
FEET SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED
DATE TIME PER (µG/L (µG/L (µG/L (µG/L (µG/L (µG/L (µG/L (µG/L
SECOND AS AL) AS SB) AS AS) AS BA) AS BE) AS CD) AS CR) AS CO)
(00061) (01106) (01095) (01000) (01005) (01010) (01025) (01030) (01035)
SEP
28... 1015 137 32 <1.0 <1 35 <1.0 <1.0 <1.0 49
MANGA- MOLYB- SELE- URANIUM
COPPER, LEAD, NESE, DENUM, NICKEL, NIUM, SILVER, NATURAL ZINC,
DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS- DIS-
SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED SOLVED
DATE (µG/L (µG/L (µG/L (µG/L (µG/L (µG/L (µG/L (µG/L (µG/L
AS CU) AS PB) AS MN) AS MO) AS NI) AS SE) AS AG) AS U) AS ZN)
(01040) (01049) (01056) (01060) (01065) (01145) (01075) (22703) (01090)
SEP
28... 2.9 <1.0 1860 <1.0 79 <1 <1.0 <1.0 128
KISKIMINETAS RIVER BASIN
03040000 STONYCREEK RIVER AT FERNDALE, PA.
REMARKS.--The following data are for trace elements and other constituents that were part of the suspended-
sediment fraction of the water sample. Suspended sediments were dewatered using a continuous flow centrifuge,
dried, and analyzed directly for total metals using a nitric, hydrofluoric, perchloric acid digestion. Whole
water contributions by the suspended sediment were then calculated using the suspended-sediment concentration
in kilograms per liter (kg/L) and the analyte concentration in milligrams per kilogram (µg/kg) from the direct
analysis of the suspended sediments, resulting in micrograms per gram (mG/G) concentrations. Values reported
in percent are the percent of that constituent in the suspended sediment. When no trace element was detected
in the sample, the default reporting value is the method detection limit preceded by a less-than sign (<).
WATER-QUALITY DATA, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DIS-
CHARGE,
INST. AN- BERYL- CHRO-
CUBIC ALUM- TIMONY ARSENIC BARIUM LIUM CADMIUM MIUM
FEET INUM SED. SED. SED. SED. SED. SED.
DATE TIME PER SED,SUS SUSP. SUSP. SUSP. SUSP. SUSP. SUSP.
SECOND PERCENT (mG/G) (mG/G) (mG/G) (mG/G) (mG/G) (mG/G)
(00061) (30221) (29816) (29818) (29820) (29822) (29826) (29829)
APR
20... 1550 3080 4.0 1 17 200 4 2 38
COBALT IRON LITHIUM MAN- MOLYB-
SEDI- COPPER SEDI- LEAD SEDI- GANESE MERCURY DENUM NICKEL
MENT SED. MENT SED. MENT SED. SED. SED. SED.
DATE SUSP. SUSP. SUSP. SUSP. SUSP. SUSP. SUSP. SUSP. SUSP.
(mG/G) (mG/G) PERCENT (mG/G) (mG/G) (mG/G) (mG/G) (mG/G) (mG/G)
(35031) (29832) (30269) (29836) (35050) (29839) (29841) (29843) (29845)
APR
20... 100 38 3.1 44 31 2800 0 <10 120
PHOS- STRON- TITA-
PHORUS SELE- TIUM NIUM URANIUM VANA-
SEDI- NIUM SILVER SEDI- THAL- SEDI- SEDI- DIUM ZINC
MENT SED. SED. MENT LIUM MENT MENT SED. SED.
DATE SUSP. SUSP. SUSP. SUSP. SUS SED SUSP. SUSP. SUSP. SUSP.
PERCENT (mG/G) (mG/G) (mG/G) (mG/G) PERCENT (mG/G) (mG/G) (mG/G)
(30292) (29847) (29850) (35040) (49955) (30317) (35046) (29853) (29855)
APR
20... 800 2 <1 63 <100 .16 <100 47 510
KISKIMINETAS RIVER BASIN
03040000 STONYCREEK RIVER AT FERNDALE, PA--Continued
SPECIFIC CONDUCTANCE,µS/CM @ 25 DEGREES CELSIUS, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
OCTOBER NOVEMBER DECEMBER JANUARY
1 512 462 488 --- --- --- --- --- --- --- --- ---
2 538 512 525 --- --- --- --- --- --- --- --- ---
3 560 538 547 --- --- --- --- --- --- --- --- ---
4 566 541 557 --- --- --- --- --- --- --- --- ---
5 602 566 586 --- --- --- --- --- --- --- --- ---
6 609 578 600 --- --- --- --- --- --- --- --- ---
7 578 558 563 --- --- --- --- --- --- --- --- ---
8 --- --- --- --- --- --- --- --- --- --- --- ---
9 --- --- --- --- --- --- --- --- --- --- --- ---
10 --- --- --- --- --- --- --- --- --- --- --- ---
11 --- --- --- --- --- --- --- --- --- --- --- ---
12 --- --- --- --- --- --- --- --- --- --- --- ---
13 --- --- --- --- --- --- --- --- --- --- --- ---
14 --- --- --- --- --- --- --- --- --- --- --- ---
15 --- --- --- --- --- --- --- --- --- --- --- ---
16 --- --- --- --- --- --- --- --- --- --- --- ---
17 --- --- --- --- --- --- --- --- --- --- --- ---
18 --- --- --- --- --- --- --- --- --- --- --- ---
19 --- --- --- --- --- --- --- --- --- --- --- ---
20 --- --- --- --- --- --- --- --- --- --- --- ---
21 --- --- --- --- --- --- --- --- --- --- --- ---
22 --- --- --- --- --- --- --- --- --- --- --- ---
23 --- --- --- --- --- --- --- --- --- --- --- ---
24 --- --- --- --- --- --- --- --- --- --- --- ---
25 --- --- --- --- --- --- --- --- --- --- --- ---
26 --- --- --- --- --- --- --- --- --- --- --- ---
27 --- --- --- --- --- --- --- --- --- --- --- ---
28 --- --- --- --- --- --- --- --- --- --- --- ---
29 --- --- --- --- --- --- --- --- --- --- --- ---
30 --- --- --- --- --- --- --- --- --- --- --- ---
31 --- --- --- --- --- --- --- --- --- --- --- ---
MONTH 609 462 552 --- --- --- --- --- --- --- --- ---
KISKIMINETAS RIVER BASIN
03040000 STONYCREEK RIVER AT FERNDALE, PA--Continued
SPECIFIC CONDUCTANCE, µS/CM @ 25 DEGREES CELSIUS, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
FEBRUARY MARCH APRIL MAY
1 --- --- --- --- --- --- 299 204 263 318 311 314
2 --- --- --- --- --- --- 227 192 208 316 305 310
3 --- --- --- --- --- --- 253 227 243 327 307 315
4 --- --- --- --- --- --- 270 248 260 330 316 325
5 --- --- --- --- --- --- 283 266 272 320 226 290
6 --- --- --- --- --- --- 290 279 286 --- --- ---
7 --- --- --- --- --- --- 295 275 284 214 190 203
8 --- --- --- --- --- --- 318 290 299 216 164 189
9 --- --- --- --- --- --- 293 189 271 201 168 182
10 --- --- --- --- --- --- 193 94 126 217 187 204
11 --- --- --- --- --- --- 114 99 106 226 208 218
12 --- --- --- --- --- --- 121 114 118 224 199 209
13 --- --- --- --- --- --- 127 121 124 224 199 211
14 --- --- --- --- --- --- --- --- --- 242 207 222
15 --- --- --- --- --- --- 300 293 296 246 227 237
16 --- --- --- --- --- --- 321 299 309 273 239 251
17 --- --- --- --- --- --- 336 321 328 278 258 267
18 --- --- --- 393 370 383 370 336 348 291 268 282
19 --- --- --- 370 313 334 377 222 336 311 286 296
20 --- --- --- 329 303 318 222 195 207 334 311 323
21 --- --- --- 323 185 254 250 222 237 358 334 351
22 --- --- --- 217 183 202 266 250 260 400 358 384
23 --- --- --- 232 215 221 280 266 273 419 395 410
24 --- --- --- 240 230 235 302 280 291 437 415 427
25 --- --- --- 249 235 240 315 301 305 452 428 439
26 --- --- --- 249 229 237 336 315 322 456 442 450
27 --- --- --- 241 229 234 322 244 258 480 456 466
28 --- --- --- 257 236 246 287 261 272 533 480 490
29 --- --- --- 274 256 265 306 287 297 --- --- ---
30 --- --- --- 282 266 274 313 306 309 632 588 608
31 --- --- --- 280 271 275 --- --- --- 635 599 615
MONTH --- --- --- 393 183 266 377 94 259 635 164 322
KISKIMINETAS RIVER BASIN
03040000 STONYCREEK RIVER AT FERNDALE, PA--Continued
SPECIFIC CONDUCTANCE, µS/CM @ 25 DEGREES CELSIUS, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
JUNE JULY AUGUST SEPTEMBER
1 676 273 393 393 351 364 624 587 604 583 564 573
2 343 288 315 398 354 375 626 582 606 678 565 637
3 414 315 353 425 398 417 674 619 651 727 570 685
4 384 325 358 446 425 437 693 674 681 784 684 747
5 404 374 382 460 444 453 719 681 705 790 701 745
6 447 400 413 473 456 464 742 696 721 837 735 785
7 448 425 436 496 460 483 757 730 742 829 689 774
8 481 440 465 517 402 452 786 722 748 775 707 740
9 484 455 461 419 313 364 769 686 735 772 650 733
10 492 454 472 379 317 357 725 589 678 732 650 703
11 467 444 452 424 378 409 675 541 614 734 670 706
12 472 346 425 471 424 449 672 639 653 719 691 706
13 350 277 323 513 471 496 726 668 700 738 684 712
14 300 256 276 --- --- --- 765 700 729 771 717 742
15 311 235 283 562 533 547 767 693 739 793 750 762
16 338 282 304 550 526 538 718 506 584 854 781 799
17 342 291 313 550 516 537 635 524 575 909 854 880
18 339 257 288 550 516 535 623 581 606 956 906 933
19 293 154 228 595 546 577 691 591 655 1000 927 956
20 --- --- --- 609 568 588 717 659 690 1000 894 969
21 --- --- --- 627 587 616 710 660 688 1010 982 1000
22 --- --- --- 636 575 594 735 655 686 1020 964 1000
23 --- --- --- 637 545 600 760 681 716 1000 934 967
24 --- --- --- 569 532 552 768 713 751 961 903 936
25 --- --- --- 564 533 548 754 711 739 952 886 928
26 421 306 362 649 564 614 775 688 732 986 946 959
27 408 373 389 645 627 636 759 721 740 973 885 922
28 458 391 418 672 639 652 769 719 748 902 772 827
29 420 394 408 736 672 704 779 703 736 --- --- ---
30 408 311 379 721 704 715 795 659 739 --- --- ---
31 --- --- --- 710 587 647 724 578 640 --- --- ---
MONTH 676 154 371 736 313 524 795 506 688 1020 564 815
KISKIMINETAS RIVER BASIN
03040000 STONYCREEK RIVER AT FERNDALE, PA--Continued
pH VALUES, WATER, WHOLE, FIELD, STANDARD UNITS, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DAY MAX MIN MEDIAN MAX MIN MEDIAN MAX MIN MEDIAN MAX MIN MEDIAN
OCTOBER NOVEMBER DECEMBER JANUARY
1 5.9 5.8 5.8 --- --- --- --- --- --- --- --- ---
2 5.8 5.6 5.7 --- --- --- --- --- --- --- --- ---
3 5.7 5.6 5.6 --- --- --- --- --- --- --- --- ---
4 5.8 5.7 5.8 --- --- --- --- --- --- --- --- ---
5 5.9 5.8 5.9 --- --- --- --- --- --- --- --- ---
6 6.1 5.9 6.0 --- --- --- --- --- --- --- --- ---
7 6.3 6.1 6.2 --- --- --- --- --- --- --- --- ---
8 --- --- --- --- --- --- --- --- --- --- --- ---
9 --- --- --- --- --- --- --- --- --- --- --- ---
10 --- --- --- --- --- --- --- --- --- --- --- ---
11 --- --- --- --- --- --- --- --- --- --- --- ---
12 --- --- --- --- --- --- --- --- --- --- --- ---
13 --- --- --- --- --- --- --- --- --- --- --- ---
14 --- --- --- --- --- --- --- --- --- --- --- ---
15 --- --- --- --- --- --- --- --- --- --- --- ---
16 --- --- --- --- --- --- --- --- --- --- --- ---
17 --- --- --- --- --- --- --- --- --- --- --- ---
18 --- --- --- --- --- --- --- --- --- --- --- ---
19 --- --- --- --- --- --- --- --- --- --- --- ---
20 --- --- --- --- --- --- --- --- --- --- --- ---
21 --- --- --- --- --- --- --- --- --- --- --- ---
22 --- --- --- --- --- --- --- --- --- --- --- ---
23 --- --- --- --- --- --- --- --- --- --- --- ---
24 --- --- --- --- --- --- --- --- --- --- --- ---
25 --- --- --- --- --- --- --- --- --- --- --- ---
26 --- --- --- --- --- --- --- --- --- --- --- ---
27 --- --- --- --- --- --- --- --- --- --- --- ---
28 --- --- --- --- --- --- --- --- --- --- --- ---
29 --- --- --- --- --- --- --- --- --- --- --- ---
30 --- --- --- --- --- --- --- --- --- --- --- ---
31 --- --- --- --- --- --- --- --- --- --- --- ---
MAX 6.3 6.1 6.2 --- --- --- --- --- --- --- --- ---
MIN 5.7 5.6 5.6 --- --- --- --- --- --- --- --- ---
KISKIMINETAS RIVER BASIN
03040000 STONYCREEK RIVER AT FERNDALE, PA--Continued
pH VALUES, WATER, WHOLE, FIELD, STANDARD UNITS, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DAY MAX MIN MEDIAN MAX MIN MEDIAN MAX MIN MEDIAN MAX MIN MEDIAN
FEBRUARY MARCH APRIL MAY
1 --- --- --- --- --- --- 5.4 4.9 5.0 5.4 5.3 5.4
2 --- --- --- --- --- --- 5.6 5.4 5.5 5.4 5.2 5.4
3 --- --- --- --- --- --- 5.5 5.2 5.4 5.3 5.2 5.3
4 --- --- --- --- --- --- 5.2 5.0 5.2 5.2 5.1 5.1
5 --- --- --- --- --- --- 5.0 4.8 4.9 5.7 5.1 5.3
6 --- --- --- --- --- --- 4.9 4.8 4.8 5.9 5.6 5.7
7 --- --- --- --- --- --- 4.9 4.9 4.9 5.9 5.8 5.9
8 --- --- --- --- --- --- 5.0 4.9 4.9 5.9 5.7 5.8
9 --- --- --- --- --- --- 5.1 4.9 5.0 5.9 5.7 5.8
10 --- --- --- --- --- --- 5.2 5.1 5.1 5.8 5.6 5.7
11 --- --- --- --- --- --- 5.4 5.2 5.3 5.6 5.5 5.5
12 --- --- --- --- --- --- 5.5 5.3 5.4 5.9 5.6 5.8
13 --- --- --- --- --- --- 5.7 5.5 5.6 5.9 5.8 5.9
14 --- --- --- --- --- --- --- --- --- 5.9 5.9 5.9
15 --- --- --- --- --- --- 6.1 5.8 5.8 5.9 5.8 5.9
16 --- --- --- --- --- --- 5.8 5.7 5.8 5.8 5.7 5.8
17 --- --- --- --- --- --- 5.7 5.4 5.6 5.7 5.4 5.6
18 --- --- --- 5.2 4.9 5.0 5.4 5.1 5.3 5.4 5.1 5.3
19 --- --- --- 5.8 5.2 5.8 5.6 4.9 5.0 5.4 5.1 5.3
20 --- --- --- 5.8 5.3 5.6 6.0 5.6 5.9 5.4 5.2 5.3
21 --- --- --- 5.7 5.1 5.5 6.0 5.9 5.9 5.2 5.1 5.2
22 --- --- --- 5.8 5.7 5.7 5.9 5.7 5.8 5.1 5.0 5.1
23 --- --- --- 5.8 5.7 5.8 5.7 5.6 5.7 5.0 4.8 4.9
24 --- --- --- 5.8 5.7 5.8 5.6 5.5 5.6 4.8 4.6 4.6
25 --- --- --- 5.7 5.7 5.7 5.5 5.3 5.4 4.6 4.4 4.5
26 --- --- --- 5.7 5.5 5.6 5.3 4.7 5.1 4.6 4.4 4.5
27 --- --- --- 5.5 5.2 5.4 5.4 4.6 5.1 4.6 4.5 4.6
28 --- --- --- 5.3 5.0 5.2 5.5 5.4 5.5 4.7 4.6 4.6
29 --- --- --- 5.0 4.8 4.8 5.5 5.4 5.5 --- --- ---
30 --- --- --- 4.8 4.7 4.7 5.4 5.4 5.4 4.6 4.5 4.6
31 --- --- --- 4.9 4.8 4.8 --- --- --- 4.6 4.4 4.5
MAX --- --- --- 5.8 5.7 5.8 6.1 5.9 5.9 5.9 5.9 5.9
MIN --- --- --- 4.8 4.7 4.7 4.9 4.6 4.8 4.6 4.4 4.5
KISKIMINETAS RIVER BASIN
03040000 STONYCREEK RIVER AT FERNDALE, PA--Continued
pH VALUES, WATER, WHOLE, FIELD, STANDARD UNITS, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DAY MAX MIN MEDIAN MAX MIN MEDIAN MAX MIN MEDIAN MAX MIN MEDIAN
JUNE JULY AUGUST SEPTEMBER
1 6.4 4.4 5.8 6.2 5.5 6.0 4.8 4.6 4.7 4.7 4.6 4.7
2 6.6 6.4 6.5 6.2 6.2 6.2 4.8 4.8 4.8 4.7 4.6 4.7
3 6.7 6.4 6.5 6.2 5.9 6.2 4.9 4.8 4.8 4.8 4.7 4.7
4 6.8 6.7 6.8 5.9 5.3 5.6 4.8 4.7 4.8 4.7 4.6 4.7
5 6.8 6.5 6.7 5.3 5.2 5.3 4.7 4.7 4.7 4.8 4.6 4.7
6 6.5 6.3 6.4 5.2 5.0 5.2 4.7 4.6 4.7 4.8 4.7 4.7
7 6.3 6.1 6.2 5.0 4.8 4.9 4.7 4.6 4.6 4.8 4.6 4.7
8 6.1 5.6 5.9 5.5 4.8 5.1 4.7 4.6 4.7 4.9 4.7 4.8
9 5.6 5.6 5.6 6.6 5.5 6.2 4.6 4.6 4.6 4.9 4.8 4.9
10 5.6 5.4 5.4 6.7 6.6 6.7 5.0 4.5 4.6 4.9 4.8 4.9
11 5.5 5.3 5.4 6.7 6.5 6.6 5.3 4.4 4.8 4.9 4.8 4.9
12 5.5 5.3 5.4 6.5 5.4 6.2 4.9 4.6 4.7 4.9 4.9 4.9
13 6.4 5.5 6.1 5.4 4.9 5.0 4.6 4.5 4.5 5.0 4.8 4.9
14 6.5 6.2 6.4 --- --- --- 4.6 4.5 4.6 5.0 4.8 4.9
15 6.2 6.1 6.2 4.7 4.5 4.6 4.6 4.4 4.5 5.2 5.0 5.1
16 6.1 6.0 6.1 4.7 4.6 4.6 4.5 4.3 4.5 5.4 5.2 5.3
17 6.3 6.0 6.1 4.7 4.6 4.7 4.5 4.3 4.3 5.7 5.4 5.5
18 6.8 6.3 6.7 4.8 4.6 4.8 4.4 4.3 4.4 5.8 5.7 5.7
19 7.3 6.8 6.9 4.6 4.5 4.6 4.6 4.4 4.5 5.9 5.8 5.9
20 7.4 6.5 7.2 4.6 4.6 4.6 4.7 4.6 4.7 6.1 5.9 6.0
21 7.1 6.8 7.0 4.7 4.6 4.6 4.7 4.6 4.7 6.2 6.1 6.1
22 6.8 6.6 6.8 4.7 4.5 4.6 4.7 4.6 4.6 6.3 6.2 6.2
23 6.7 6.6 6.7 4.8 4.6 4.6 4.6 4.5 4.6 6.4 6.3 6.3
24 6.6 6.3 6.4 5.2 4.8 5.1 4.6 4.5 4.6 6.5 6.4 6.4
25 --- --- --- 5.2 5.0 5.1 4.6 4.5 4.6 6.5 6.4 6.5
26 6.6 6.1 6.3 5.1 4.9 5.0 4.6 4.5 4.5 6.6 6.5 6.5
27 6.4 5.5 6.2 5.1 4.9 5.1 4.6 4.5 4.6 6.6 6.5 6.6
28 5.5 4.6 4.7 4.9 4.7 4.9 4.6 4.5 4.6 6.6 6.1 6.6
29 5.4 4.7 5.0 4.7 4.5 4.6 4.6 4.6 4.6 --- --- ---
30 5.7 5.4 5.4 4.6 4.5 4.5 4.6 4.5 4.6 --- --- ---
31 --- --- --- 4.6 4.5 4.5 4.7 4.5 4.6 --- --- ---
MAX 7.4 6.8 7.2 6.7 6.6 6.7 5.3 4.8 4.8 6.6 6.5 6.6
MIN 5.4 4.4 4.7 4.6 4.5 4.5 4.4 4.3 4.3 4.7 4.6 4.7
KISKIMINETAS RIVER BASIN
03040000 STONYCREEK RIVER AT FERNDALE, PA--Continued
WATER TEMPERATURE, DEGREES CELSIUS, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
OCTOBER NOVEMBER DECEMBER JANUARY
1 15.0 13.0 14.0 --- --- --- --- --- --- --- --- ---
2 14.5 11.0 12.5 --- --- --- --- --- --- --- --- ---
3 14.5 11.5 13.0 --- --- --- --- --- --- --- --- ---
4 16.5 12.5 14.5 --- --- --- --- --- --- --- --- ---
5 18.0 15.0 16.0 --- --- --- --- --- --- --- --- ---
6 19.0 15.0 16.5 --- --- --- --- --- --- --- --- ---
7 18.5 15.5 16.5 --- --- --- --- --- --- --- --- ---
8 --- --- --- --- --- --- --- --- --- --- --- ---
9 --- --- --- --- --- --- --- --- --- --- --- ---
10 --- --- --- --- --- --- --- --- --- --- --- ---
11 --- --- --- --- --- --- --- --- --- --- --- ---
12 --- --- --- --- --- --- --- --- --- --- --- ---
13 --- --- --- --- --- --- --- --- --- --- --- ---
14 --- --- --- --- --- --- --- --- --- --- --- ---
15 --- --- --- --- --- --- --- --- --- --- --- ---
16 --- --- --- --- --- --- --- --- --- --- --- ---
17 --- --- --- --- --- --- --- --- --- --- --- ---
18 --- --- --- --- --- --- --- --- --- --- --- ---
19 --- --- --- --- --- --- --- --- --- --- --- ---
20 --- --- --- --- --- --- --- --- --- --- --- ---
21 --- --- --- --- --- --- --- --- --- --- --- ---
22 --- --- --- --- --- --- --- --- --- --- --- ---
23 --- --- --- --- --- --- --- --- --- --- --- ---
24 --- --- --- --- --- --- --- --- --- --- --- ---
25 --- --- --- --- --- --- --- --- --- --- --- ---
26 --- --- --- --- --- --- --- --- --- --- --- ---
27 --- --- --- --- --- --- --- --- --- --- --- ---
28 --- --- --- --- --- --- --- --- --- --- --- ---
29 --- --- --- --- --- --- --- --- --- --- --- ---
30 --- --- --- --- --- --- --- --- --- --- --- ---
31 --- --- --- --- --- --- --- --- --- --- --- ---
MONTH 19.0 11.0 14.7 --- --- --- --- --- --- --- --- ---
KISKIMINETAS RIVER BASIN
03040000 STONYCREEK RIVER AT FERNDALE, PA--Continued
WATER TEMPERATURE, DEGREES CELSIUS, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
FEBRUARY MARCH APRIL MAY
1 --- --- --- --- --- --- 14.5 12.5 13.5 14.0 12.5 13.5
2 --- --- --- --- --- --- 12.5 10.5 11.5 13.5 13.0 13.0
3 --- --- --- --- --- --- 11.0 9.0 10.0 14.5 12.0 13.0
4 --- --- --- --- --- --- 10.5 7.5 8.5 15.0 13.0 14.5
5 --- --- --- --- --- --- 10.0 6.0 8.0 15.0 13.5 14.0
6 --- --- --- --- --- --- 10.5 6.5 8.5 14.5 12.0 13.0
7 --- --- --- --- --- --- 10.5 6.5 9.0 15.0 12.5 13.5
8 --- --- --- --- --- --- 12.0 9.0 10.5 14.5 13.0 13.5
9 --- --- --- --- --- --- 11.0 8.5 10.0 14.0 12.5 13.0
10 --- --- --- --- --- --- 9.0 7.5 8.5 14.0 12.5 13.0
11 --- --- --- --- --- --- 10.5 7.5 9.0 13.5 12.5 13.0
12 --- --- --- --- --- --- 11.0 7.0 9.0 13.0 12.0 12.5
13 --- --- --- --- --- --- 12.0 8.0 10.0 16.5 12.0 14.0
14 --- --- --- --- --- --- --- --- --- 18.0 13.0 15.5
15 --- --- --- --- --- --- 13.5 11.0 12.0 19.0 14.0 16.5
16 --- --- --- --- --- --- 13.5 11.5 12.5 19.5 15.5 17.5
17 --- --- --- --- --- --- 13.5 11.0 12.0 21.0 17.0 19.0
18 --- --- --- 5.0 4.0 4.5 12.5 9.0 11.0 20.0 16.0 18.0
19 --- --- --- 6.5 4.5 5.5 12.0 9.0 10.5 21.0 16.5 19.0
20 --- --- --- 6.5 5.0 5.5 10.5 8.5 9.5 22.0 18.0 20.0
21 --- --- --- 6.0 4.5 5.0 12.0 8.5 10.0 21.5 18.0 20.0
22 --- --- --- 4.5 3.0 3.5 11.5 9.5 10.5 19.5 15.5 17.5
23 --- --- --- 5.0 2.5 3.5 11.0 9.0 10.0 20.0 15.5 17.5
24 --- --- --- 5.0 3.0 4.0 13.0 8.5 11.0 17.5 15.0 16.0
25 --- --- --- 6.5 2.5 4.5 14.5 10.5 12.5 18.0 15.0 16.5
26 --- --- --- 9.5 5.0 7.5 13.5 10.5 12.0 19.5 16.5 17.5
27 --- --- --- 12.0 7.5 10.0 12.5 9.0 10.5 21.0 16.0 18.0
28 --- --- --- 13.0 9.5 11.5 13.0 8.5 11.0 21.5 17.0 19.0
29 --- --- --- 14.5 11.0 13.0 13.5 9.5 11.5 --- --- ---
30 --- --- --- 15.0 11.0 13.0 13.5 12.5 13.0 25.0 19.5 22.0
31 --- --- --- 15.5 12.0 14.0 --- --- --- 25.0 20.5 22.0
MONTH --- --- --- 15.5 2.5 7.5 14.5 6.0 10.5 25.0 12.0 16.2
KISKIMINETAS RIVER BASIN
03040000 STONYCREEK RIVER AT FERNDALE, PA--Continued
WATER TEMPERATURE, DEGREES CELSIUS, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
JUNE JULY AUGUST SEPTEMBER
1 21.0 18.0 19.5 22.0 18.0 20.0 26.5 19.0 22.0 25.0 18.5 21.5
2 21.5 17.5 19.5 23.0 18.0 20.5 27.0 18.0 22.0 24.0 19.0 21.0
3 20.0 17.5 18.5 23.0 19.0 20.5 27.0 18.5 22.5 24.5 16.5 20.5
4 19.5 16.0 17.5 20.5 18.5 19.5 27.5 18.5 23.0 24.5 17.0 20.5
5 18.0 15.0 16.5 23.5 18.0 20.0 27.5 19.5 23.5 24.5 17.0 20.5
6 16.5 14.0 15.0 24.0 18.5 21.0 28.0 19.5 23.5 25.5 17.5 21.0
7 15.5 14.0 14.5 24.5 19.0 21.5 28.5 19.5 23.5 22.5 19.5 21.0
8 16.5 13.0 14.5 22.0 20.5 21.0 26.5 20.5 23.5 20.0 16.5 18.0
9 14.5 13.0 14.0 23.0 20.0 21.5 27.5 21.0 24.0 18.0 14.5 16.0
10 14.5 13.5 14.0 24.5 20.5 22.0 26.0 22.5 24.0 20.0 13.5 16.5
11 17.0 14.0 15.5 24.0 18.5 21.0 25.0 21.0 22.5 21.5 14.0 17.5
12 20.0 16.0 18.0 24.5 18.0 21.0 27.0 20.0 23.0 23.5 16.0 19.5
13 20.0 17.5 18.5 26.5 18.5 22.0 27.0 20.0 23.0 25.5 17.5 21.0
14 18.0 16.0 17.0 --- --- --- 25.0 21.0 22.5 26.0 18.0 21.5
15 19.0 16.5 18.0 23.5 21.0 22.0 26.0 20.0 22.5 26.0 19.5 22.5
16 21.5 18.0 19.0 24.5 20.5 22.0 24.0 21.0 22.5 25.0 20.5 23.0
17 19.5 17.5 18.5 26.5 21.0 23.0 24.0 21.5 22.5 24.5 21.0 22.5
18 21.0 17.0 19.0 27.5 20.5 23.5 25.5 20.5 22.5 25.5 20.0 22.0
19 20.5 17.5 18.5 28.0 20.0 23.5 25.0 18.0 21.0 24.5 19.5 21.5
20 20.0 17.0 18.5 26.0 22.0 23.5 25.5 17.0 21.0 25.5 20.0 22.5
21 21.5 17.5 19.5 26.5 21.0 23.5 25.5 17.5 21.0 24.5 20.5 22.0
22 20.5 18.5 19.5 27.5 22.0 24.0 28.0 19.5 23.0 23.0 19.0 21.5
23 22.0 19.0 20.5 26.0 22.0 23.5 28.0 21.0 24.0 20.5 15.5 17.5
24 23.5 19.5 21.5 23.5 20.5 22.0 24.0 21.0 22.5 20.0 13.5 16.5
25 --- --- --- 26.0 19.0 22.0 22.5 20.0 21.0 20.0 16.5 18.0
26 23.5 21.0 22.5 27.0 20.0 23.0 26.5 20.0 22.5 23.0 17.0 19.5
27 23.0 21.0 21.5 26.5 19.5 23.0 27.5 20.0 23.5 24.0 18.5 21.0
28 22.0 20.5 21.0 27.0 19.5 23.0 27.5 19.5 23.0 23.0 16.5 20.5
29 21.5 19.5 20.5 26.0 20.0 23.0 24.0 20.5 22.0 --- --- ---
30 22.0 18.5 20.0 24.5 19.5 22.0 27.0 19.5 22.5 --- --- ---
31 --- --- --- 24.5 20.0 22.0 25.0 20.0 22.0 --- --- ---
MONTH 23.5 13.0 18.3 28.0 18.0 22.0 28.5 17.0 22.6 26.0 13.5 20.2
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