LOCATION.-- Lat 41°53'30", long 87°38'30" (NAD of 1927), in NW1/4SW1/4 sec.12, T.40 N., R.13 E., Cook County, Hydrologic Unit 07120003, on right upstream side of Grand Avenue bridge in Chicago, 0.6 mi upstream from the confluence with the main stem of the Chicago River and at mile 36.0. |
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DRAINAGE AREA.-- 180 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: July 2, 2002 to current year. |
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SURFACE-WATER QUALITY |
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PHYSICAL AND CHEMICAL: Water years 2002 to current year. |
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WATER TEMPERATURE: September 2002 to current year. |
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GAGE.-- Water-stage recorder, acoustic velocity meter and water-temperature sensor. Datum of gage is 579.48 ft above NGVD of 1929 (Chicago City datum). |
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REMARKS.-- This station provides data for a water-quality model. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum daily discharge, 4,430 ft3/s, Aug. 22, 2002, minimum daily discharge, -20 ft3/s, Jan. 31, 2004, due to regulation. |
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WATER TEMPERATURE: Maximum recorded, 25.6°C, Aug. 27, 2003; minimum recorded, 0.5°C, Jan. 31, 2004. |
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EXTREMES FOR CURRENT YEAR.-- Maximum water temperature, 24.6°C, July 22; minimum, 0.5°C, Jan. 31. |
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REMARKS FOR CURRENT YEAR.-- Water-temperature data are from six temperature sensors on right bank with sensor #1 being the lowest in the water column and sensor #6 being the highest. |
Water Temperature, Sensor #1, degrees Celsius WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MINIMUM VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 16.4 | 15.0 | 9.1 | 8.3 | 0.7 | 8.8 | 10.6 | 14.6 | 16.3 | 21.1 | 22.4 | 21.0 |
2 | 15.8 | 15.1 | 9.1 | 8.6 | 3.5 | 9.6 | 10.3 | 13.9 | 17.1 | 21.4 | 23.2 | 21.4 |
3 | 15.5 | 14.3 | 9.5 | 9.6 | 5.8 | 9.3 | 10.8 | 13.8 | 17.1 | 21.6 | 23.6 | 22.0 |
4 | 15.7 | 14.0 | 9.6 | 8.5 | 6.4 | 8.9 | 10.5 | 14.1 | 17.3 | 21.4 | 22.5 | 22.3 |
5 | 16.4 | 14.8 | 9.7 | 7.8 | 4.1 | 8.1 | 10.8 | 14.8 | 17.7 | 21.8 | 21.6 | 22.3 |
6 | 15.8 | 13.1 | 10.7 | 6.1 | 2.2 | 7.6 | 11.3 | 15.4 | 18.4 | 21.4 | 21.2 | 22.2 |
7 | 15.8 | 12.3 | 8.7 | 4.0 | 1.2 | 7.3 | 11.9 | 15.8 | 18.9 | 21.5 | 21.4 | 21.8 |
8 | 17.0 | 11.2 | 8.8 | 2.1 | 4.6 | 6.9 | 12.5 | 15.6 | 19.9 | 20.8 | 21.5 | 21.1 |
9 | 18.0 | 10.9 | 10.1 | 2.2 | 4.2 | 7.0 | 12.9 | 15.8 | 21.2 | 21.2 | 22.0 | 20.6 |
10 | 18.9 | 10.7 | 11.2 | 6.4 | 2.8 | 7.4 | 12.3 | 17.0 | 19.1 | 20.8 | 21.7 | 20.6 |
11 | 19.4 | 11.7 | 8.1 | 6.6 | 4.2 | 7.7 | 12.0 | 18.1 | 18.2 | 20.9 | 20.6 | 20.7 |
12 | 19.1 | 12.8 | 7.0 | 6.9 | 5.9 | 7.0 | 11.2 | 18.5 | 18.4 | 21.5 | 19.8 | 21.2 |
13 | 18.8 | 12.2 | 6.5 | 7.5 | 5.8 | 7.0 | 10.8 | 19.1 | 19.2 | 22.4 | 19.6 | 21.9 |
14 | 17.7 | 11.8 | 6.7 | 7.2 | 6.0 | 7.5 | 10.9 | 17.7 | 20.0 | 22.6 | 19.9 | 22.1 |
15 | 15.9 | 11.5 | 7.0 | 6.8 | 6.0 | 8.1 | 11.8 | 16.4 | 20.4 | 22.4 | 20.4 | 22.3 |
16 | 14.9 | 11.6 | 7.7 | 6.7 | 6.0 | 7.7 | 13.0 | 16.0 | 20.5 | 22.3 | 21.0 | 22.6 |
17 | 14.8 | 12.5 | 7.6 | 6.1 | 6.3 | 7.7 | 14.6 | 16.4 | 20.5 | 22.1 | 21.2 | 22.2 |
18 | 15.0 | 13.5 | 7.7 | 6.3 | 6.5 | 7.8 | 15.8 | 17.1 | 20.6 | 22.2 | 21.7 | 21.9 |
19 | 15.4 | 13.4 | 7.3 | 5.4 | 7.2 | 8.1 | 16.4 | 16.8 | 19.8 | 22.3 | 21.8 | 21.7 |
20 | 15.8 | 12.5 | 7.1 | 3.7 | 7.8 | 8.7 | 15.7 | 16.9 | 19.4 | 22.5 | 21.8 | 21.5 |
21 | 17.0 | 12.7 | 6.9 | 1.4 | 7.7 | 9.2 | 14.9 | 18.1 | 19.2 | 23.1 | 21.3 | 21.4 |
22 | 17.0 | 12.8 | 7.4 | 4.7 | 6.2 | 8.3 | 14.3 | 17.5 | 18.8 | 23.6 | 21.3 | 21.6 |
23 | 16.4 | 12.9 | 8.4 | 4.5 | 5.4 | 8.3 | 14.0 | 16.8 | 19.4 | 23.1 | 21.5 | 21.9 |
24 | 16.3 | 12.4 | 8.5 | 3.0 | 7.8 | 9.2 | 14.0 | 17.0 | 19.7 | 21.8 | 22.2 | 21.8 |
25 | 16.2 | 9.4 | 8.0 | 4.3 | 7.4 | 10.7 | 13.9 | 16.7 | 19.5 | 21.4 | 21.9 | 21.3 |
26 | 16.1 | 9.4 | 7.9 | 4.7 | 7.0 | 11.2 | 14.0 | 16.8 | 19.6 | 21.6 | 21.8 | 20.9 |
27 | 15.0 | 9.8 | 8.2 | 4.4 | 7.2 | 12.4 | 13.4 | 17.0 | 19.6 | 21.5 | 22.5 | 20.9 |
28 | 13.8 | 10.4 | 8.4 | 4.8 | 7.7 | 12.2 | 13.4 | 17.0 | 20.1 | 21.6 | 21.5 | 20.4 |
29 | 13.8 | 9.6 | 9.0 | 1.1 | 8.0 | 12.6 | 14.6 | 17.0 | 20.4 | 22.1 | 20.9 | 19.8 |
30 | 14.1 | 9.4 | 9.3 | 0.8 | --- | 12.0 | 15.5 | 16.6 | 20.9 | 22.4 | 20.5 | 19.4 |
31 | 14.9 | --- | 8.4 | 0.5 | --- | 11.0 | --- | 17.0 | --- | 22.3 | 20.4 | --- |
MEAN | 16.2 | 12.1 | 8.4 | 5.2 | 5.6 | 8.9 | 12.9 | 16.5 | 19.2 | 21.9 | 21.4 | 21.4 |
MAX | 19.4 | 15.1 | 11.2 | 9.6 | 8.0 | 12.6 | 16.4 | 19.1 | 21.2 | 23.6 | 23.6 | 22.6 |
MIN | 13.8 | 9.4 | 6.5 | 0.5 | 0.7 | 6.9 | 10.3 | 13.8 | 16.3 | 20.8 | 19.6 | 19.4 |
WTR YR 2004 | MEAN 14.2 | MAX 23.6 | MIN 0.5 |
Water Temperature, Sensor #2, degrees Celsius WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MINIMUM VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 16.4 | 15.0 | 9.1 | 8.3 | 1.6 | 8.8 | 10.6 | 14.6 | 16.3 | 21.2 | 22.5 | 21.0 |
2 | 15.8 | 15.1 | 9.2 | 8.6 | 3.9 | 9.6 | 10.3 | 14.0 | 17.1 | 21.4 | 23.2 | 21.4 |
3 | 15.5 | 14.3 | 9.5 | 9.6 | 5.8 | 9.3 | 10.8 | 13.8 | 17.1 | 21.6 | 23.6 | 22.0 |
4 | 15.7 | 14.0 | 9.6 | 8.5 | 6.3 | 9.0 | 10.5 | 14.1 | 17.3 | 21.5 | 22.5 | 22.3 |
5 | 16.4 | 14.8 | 9.8 | 7.8 | 4.2 | 8.1 | 10.8 | 14.8 | 17.7 | 21.8 | 21.6 | 22.3 |
6 | 15.8 | 13.1 | 10.7 | 6.1 | 3.5 | 7.6 | 11.3 | 15.4 | 18.4 | 21.4 | 21.2 | 22.3 |
7 | 15.8 | 12.4 | 8.8 | 4.1 | 1.4 | 7.3 | 11.9 | 15.8 | 18.9 | 21.5 | 21.5 | 21.8 |
8 | 17.1 | 11.2 | 8.8 | 2.2 | 4.6 | 6.9 | 12.6 | 15.6 | 19.9 | 20.8 | 21.5 | 21.1 |
9 | 18.1 | 10.9 | 10.1 | 2.4 | 4.4 | 7.0 | 12.9 | 15.8 | 21.2 | 21.2 | 22.0 | 20.6 |
10 | 18.9 | 10.7 | 11.2 | 6.4 | 3.3 | 7.4 | 12.3 | 17.0 | 19.1 | 20.9 | 21.8 | 20.6 |
11 | 19.4 | 11.7 | 8.1 | 6.7 | 4.2 | 7.7 | 12.1 | 18.1 | 18.2 | 20.9 | 20.6 | 20.7 |
12 | 19.2 | 12.8 | 7.0 | 6.9 | 5.9 | 6.9 | 11.2 | 18.5 | 18.4 | 21.5 | 19.8 | 21.3 |
13 | 18.9 | 12.2 | 6.5 | 7.5 | 5.8 | 7.0 | 10.8 | 19.1 | 19.2 | 22.4 | 19.6 | 22.0 |
14 | 17.8 | 11.8 | 6.7 | 7.2 | 6.0 | 7.6 | 10.9 | 17.7 | 20.0 | 22.5 | 19.9 | 22.2 |
15 | 15.9 | 11.5 | 7.0 | 6.8 | 6.0 | 8.1 | 11.8 | 16.5 | 20.5 | 22.4 | 20.4 | 22.4 |
16 | 14.9 | 11.6 | 7.7 | 6.7 | 5.9 | 7.7 | 13.0 | 16.0 | 20.5 | 22.3 | 21.0 | 22.6 |
17 | 14.8 | 12.5 | 7.6 | 6.1 | 6.3 | 7.7 | 14.7 | 16.4 | 20.5 | 22.1 | 21.3 | 22.2 |
18 | 15.1 | 13.6 | 7.7 | 6.3 | 6.5 | 7.8 | 15.8 | 17.1 | 20.6 | 22.2 | 21.7 | 22.0 |
19 | 15.4 | 13.4 | 7.3 | 5.5 | 7.2 | 8.1 | 16.4 | 16.8 | 19.8 | 22.3 | 21.8 | 21.7 |
20 | 15.8 | 12.5 | 7.1 | 3.9 | 7.8 | 8.8 | 15.7 | 17.0 | 19.4 | 22.5 | 21.8 | 21.5 |
21 | 17.0 | 12.7 | 6.9 | 1.7 | 7.7 | 9.2 | 14.9 | 18.1 | 19.2 | 23.2 | 21.4 | 21.4 |
22 | 17.0 | 12.8 | 7.4 | 4.7 | 6.2 | 8.3 | 14.3 | 17.5 | 18.8 | 23.6 | 21.3 | 21.6 |
23 | 16.4 | 12.9 | 8.4 | 4.5 | 6.1 | 8.3 | 14.0 | 16.8 | 19.4 | 23.1 | 21.5 | 21.9 |
24 | 16.4 | 12.4 | 8.5 | 3.0 | 7.8 | 9.2 | 14.0 | 17.0 | 19.8 | 21.8 | 22.2 | 21.9 |
25 | 16.3 | 9.4 | 8.0 | 4.3 | 7.4 | 10.7 | 13.9 | 16.7 | 19.4 | 21.4 | 21.9 | 21.4 |
26 | 16.1 | 9.4 | 7.9 | 4.8 | 7.0 | 11.2 | 14.0 | 16.8 | 19.6 | 21.6 | 21.8 | 20.9 |
27 | 15.0 | 9.8 | 8.1 | 4.5 | 7.1 | 12.4 | 13.4 | 17.0 | 19.6 | 21.5 | 22.5 | 20.9 |
28 | 13.8 | 10.4 | 8.4 | 4.8 | 7.6 | 12.2 | 13.5 | 17.0 | 20.1 | 21.6 | 21.5 | 20.4 |
29 | 13.8 | 9.6 | 9.1 | 1.7 | 8.0 | 12.6 | 14.6 | 17.0 | 20.4 | 22.1 | 20.9 | 19.9 |
30 | 14.1 | 9.4 | 9.3 | 0.9 | --- | 12.0 | 15.5 | 16.6 | 20.9 | 22.4 | 20.6 | 19.4 |
31 | 14.9 | --- | 8.4 | 0.7 | --- | 11.0 | --- | 17.0 | --- | 22.3 | 20.4 | --- |
MEAN | 16.2 | 12.1 | 8.4 | 5.3 | 5.7 | 8.9 | 12.9 | 16.5 | 19.2 | 21.9 | 21.5 | 21.5 |
MAX | 19.4 | 15.1 | 11.2 | 9.6 | 8.0 | 12.6 | 16.4 | 19.1 | 21.2 | 23.6 | 23.6 | 22.6 |
MIN | 13.8 | 9.4 | 6.5 | 0.7 | 1.4 | 6.9 | 10.3 | 13.8 | 16.3 | 20.8 | 19.6 | 19.4 |
WTR YR 2004 | MEAN 14.2 | MAX 23.6 | MIN 0.7 |
Water Temperature, Sensor #3, degrees Celsius WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MINIMUM VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 16.4 | 15.0 | 9.0 | 8.3 | 2.3 | 8.7 | 10.6 | 14.5 | --- | --- | --- | --- |
2 | 15.7 | 15.0 | 9.1 | 8.5 | 4.1 | 9.6 | 10.3 | 13.9 | --- | --- | --- | --- |
3 | 15.5 | 14.2 | 9.4 | 9.6 | 5.8 | 9.3 | 10.7 | 13.8 | --- | --- | --- | --- |
4 | 15.6 | 13.9 | 9.6 | 8.4 | 6.3 | 9.0 | 10.4 | 14.0 | --- | --- | --- | --- |
5 | 16.3 | 14.8 | 9.7 | 7.8 | 4.6 | 8.0 | 10.8 | 14.7 | --- | --- | --- | --- |
6 | 15.7 | 13.1 | 10.6 | 6.1 | 3.6 | 7.5 | 11.2 | 15.4 | --- | --- | --- | --- |
7 | 15.8 | 12.3 | 8.7 | 4.1 | 2.6 | 7.3 | 11.8 | 15.7 | --- | --- | --- | --- |
8 | 17.0 | 11.2 | 8.8 | 2.2 | 4.6 | 6.8 | 12.5 | 15.5 | --- | --- | --- | --- |
9 | 18.0 | 10.8 | 10.0 | 3.0 | 4.8 | 7.0 | 12.8 | 15.8 | --- | --- | --- | --- |
10 | 18.8 | 10.6 | 11.1 | 6.4 | 3.8 | 7.3 | 12.2 | 16.9 | --- | --- | --- | --- |
11 | 19.3 | 11.7 | 8.1 | 6.6 | 4.2 | 7.7 | 12.0 | 18.1 | --- | --- | --- | --- |
12 | 19.1 | 12.8 | 6.9 | 6.8 | 5.8 | 6.9 | 11.2 | 18.5 | --- | --- | --- | --- |
13 | 18.8 | 12.2 | 6.4 | 7.4 | 5.8 | 6.9 | 10.8 | 19.1 | --- | --- | --- | --- |
14 | 17.7 | 11.7 | 6.7 | 7.1 | 5.9 | 7.5 | 10.8 | 17.6 | --- | --- | --- | --- |
15 | 15.8 | 11.4 | 6.9 | 6.7 | 6.0 | 8.1 | 11.8 | 16.4 | --- | --- | --- | --- |
16 | 14.9 | 11.6 | 7.6 | 6.6 | 5.9 | 7.7 | 13.0 | 15.9 | --- | --- | --- | --- |
17 | 14.8 | 12.5 | 7.6 | 6.0 | 6.3 | 7.6 | 14.6 | 16.3 | --- | --- | --- | --- |
18 | 15.0 | 13.6 | 7.7 | 6.3 | 6.5 | 7.8 | 15.8 | --- | --- | --- | --- | --- |
19 | 15.4 | 13.3 | 7.3 | 5.4 | 7.2 | 8.0 | 16.3 | --- | --- | --- | --- | --- |
20 | 15.7 | 12.5 | 7.0 | 4.1 | 7.8 | 8.7 | 15.6 | --- | --- | --- | --- | --- |
21 | 17.0 | 12.6 | 6.8 | 3.2 | 7.7 | 9.1 | 14.9 | --- | --- | --- | --- | --- |
22 | 17.0 | 12.7 | 7.3 | 4.7 | 6.2 | 8.3 | 14.3 | --- | --- | --- | --- | --- |
23 | 16.4 | 12.8 | 8.3 | 4.5 | 6.5 | 8.3 | 14.0 | --- | --- | --- | --- | --- |
24 | 16.3 | 12.4 | 8.4 | 3.0 | 7.8 | 9.2 | 13.9 | --- | --- | --- | --- | --- |
25 | 16.2 | 9.3 | 8.0 | 4.3 | 7.3 | 10.7 | 13.8 | --- | --- | --- | --- | --- |
26 | 16.1 | 9.3 | 7.9 | 4.7 | 6.9 | 11.1 | 14.0 | --- | --- | --- | --- | --- |
27 | 14.9 | 9.7 | 8.1 | 4.5 | 7.1 | 12.3 | 13.3 | --- | --- | --- | --- | --- |
28 | 13.7 | 10.3 | 8.4 | 4.8 | 7.6 | 12.1 | 13.4 | --- | --- | --- | --- | --- |
29 | 13.7 | 9.6 | 9.0 | 3.8 | 7.9 | 12.6 | 14.6 | --- | --- | --- | --- | --- |
30 | 14.0 | 9.3 | 9.3 | 1.5 | --- | 12.0 | 15.5 | --- | --- | --- | --- | --- |
31 | 14.8 | --- | 8.4 | 1.4 | --- | 11.0 | --- | --- | --- | --- | --- | --- |
MEAN | 16.2 | 12.1 | 8.3 | 5.4 | 5.8 | 8.8 | 12.9 | --- | --- | --- | --- | --- |
MAX | 19.3 | 15.0 | 11.1 | 9.6 | 7.9 | 12.6 | 16.3 | --- | --- | --- | --- | --- |
MIN | 13.7 | 9.3 | 6.4 | 1.4 | 2.3 | 6.8 | 10.3 | --- | --- | --- | --- | --- |
Water Temperature, Sensor #4, degrees Celsius WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MINIMUM VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 16.5 | 15.0 | 9.1 | 8.3 | 2.6 | 8.7 | 10.6 | 14.6 | 16.3 | 21.1 | 22.5 | 21.1 |
2 | 15.8 | 15.1 | 9.2 | 8.6 | 4.2 | 9.6 | 10.3 | 14.0 | 17.1 | 21.4 | 23.2 | 21.4 |
3 | 15.6 | 14.3 | 9.5 | 9.6 | 5.8 | 9.3 | 10.8 | 13.8 | 17.1 | 21.7 | 23.6 | 22.0 |
4 | 15.8 | 14.0 | 9.6 | 8.5 | 6.4 | 9.0 | 10.4 | 14.1 | 17.3 | 21.5 | 22.5 | 22.3 |
5 | 16.4 | 14.8 | 9.8 | 7.8 | 4.8 | 8.1 | 10.9 | 14.8 | 17.7 | 21.8 | 21.6 | 22.2 |
6 | 15.8 | 13.2 | 10.7 | 6.2 | 4.2 | 7.6 | 11.3 | 15.5 | 18.4 | 21.5 | 21.3 | 22.3 |
7 | 15.8 | 12.4 | 8.8 | 4.8 | 3.1 | 7.4 | 11.9 | 15.8 | 18.9 | 21.5 | 21.5 | 21.9 |
8 | 17.1 | 11.2 | 8.9 | 3.4 | 5.2 | 6.9 | 12.6 | 15.6 | 20.0 | 20.8 | 21.5 | 21.1 |
9 | 18.1 | 10.9 | 10.1 | 3.4 | 5.3 | 7.0 | 12.9 | 15.9 | 21.3 | 21.2 | 22.0 | 20.6 |
10 | 18.9 | 10.7 | 11.2 | 6.4 | 4.2 | 7.4 | 12.3 | 16.8 | 19.1 | 20.9 | 21.8 | 20.7 |
11 | 19.4 | 11.8 | 8.2 | 6.7 | 4.5 | 7.8 | 12.1 | 18.1 | 18.2 | 20.9 | 20.7 | 20.7 |
12 | 19.2 | 12.8 | 7.0 | 6.9 | 5.9 | 7.0 | 11.2 | 18.5 | 18.4 | 21.6 | 19.9 | 21.3 |
13 | 18.9 | 12.3 | 6.5 | 7.5 | 5.9 | 7.0 | 10.9 | 19.1 | 19.1 | 22.4 | 19.7 | 22.0 |
14 | 17.8 | 11.8 | 6.7 | 7.2 | 6.0 | 7.6 | 10.9 | 17.7 | 20.0 | 22.6 | 20.0 | 22.2 |
15 | 15.9 | 11.5 | 7.0 | 6.8 | 6.1 | 8.1 | 11.9 | 16.5 | 20.5 | 22.5 | 20.5 | 22.4 |
16 | 14.9 | 11.6 | 7.7 | 6.7 | 6.0 | 7.8 | 13.0 | 16.0 | 20.6 | 22.3 | 21.0 | 22.7 |
17 | 14.9 | 12.5 | 7.7 | 6.1 | 6.4 | 7.8 | 14.6 | 16.4 | 20.5 | 22.1 | 21.3 | 22.3 |
18 | 15.1 | 13.6 | 7.7 | 6.4 | 6.6 | 7.8 | 15.8 | 17.2 | 20.6 | 22.3 | 21.8 | 22.0 |
19 | 15.4 | 13.4 | 7.3 | 5.5 | 7.3 | 8.1 | 16.4 | 16.8 | 19.8 | 22.4 | 21.8 | 21.8 |
20 | 15.8 | 12.6 | 7.1 | 4.3 | 7.9 | 8.8 | 15.7 | 17.0 | 19.4 | 22.5 | 21.9 | 21.5 |
21 | 17.0 | 12.7 | 6.9 | 3.9 | 7.7 | 9.2 | 15.0 | 18.1 | 19.3 | 23.2 | 21.4 | 21.5 |
22 | 17.0 | 12.8 | 7.4 | 4.8 | 6.2 | 8.4 | 14.3 | 17.5 | 18.8 | 23.5 | 21.3 | 21.7 |
23 | 16.4 | 12.9 | 8.4 | 4.5 | 6.6 | 8.4 | 14.0 | 16.8 | 19.4 | 23.1 | 21.6 | 21.9 |
24 | 16.4 | 12.5 | 8.6 | 3.1 | 7.8 | 9.3 | 14.0 | 17.0 | 19.8 | 21.8 | 22.2 | 21.9 |
25 | 16.2 | 9.4 | 8.0 | 4.4 | 7.4 | 10.7 | 14.0 | 16.7 | 19.4 | 21.5 | 22.0 | 21.4 |
26 | 16.2 | 9.4 | 7.9 | 4.8 | 7.0 | 11.2 | 14.0 | 16.8 | 19.6 | 21.6 | 21.8 | 21.0 |
27 | 15.0 | 9.8 | 8.2 | 4.7 | 7.2 | 12.4 | 13.4 | 17.0 | 19.6 | 21.5 | 22.5 | 20.9 |
28 | 13.8 | 10.4 | 8.4 | 4.9 | 7.6 | 12.2 | 13.5 | 17.0 | 20.1 | 21.7 | 21.6 | 20.5 |
29 | 13.8 | 9.7 | 9.0 | 4.0 | 8.0 | 12.6 | 14.7 | 17.0 | 20.4 | 22.1 | 20.9 | 19.9 |
30 | 14.1 | 9.4 | 9.4 | 2.5 | --- | 12.1 | 15.5 | 16.6 | 20.9 | 22.4 | 20.6 | 19.5 |
31 | 14.9 | --- | 8.4 | 1.5 | --- | 11.1 | --- | 17.0 | --- | 22.3 | 20.4 | --- |
MEAN | 16.3 | 12.2 | 8.4 | 5.6 | 6.0 | 8.9 | 13.0 | 16.5 | 19.3 | 21.9 | 21.5 | 21.5 |
MAX | 19.4 | 15.1 | 11.2 | 9.6 | 8.0 | 12.6 | 16.4 | 19.1 | 21.3 | 23.5 | 23.6 | 22.7 |
MIN | 13.8 | 9.4 | 6.5 | 1.5 | 2.6 | 6.9 | 10.3 | 13.8 | 16.3 | 20.8 | 19.7 | 19.5 |
WTR YR 2004 | MEAN 14.3 | MAX 23.6 | MIN 1.5 |
Water Temperature, Sensor #5, degrees Celsius WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MINIMUM VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 16.4 | 15.0 | 9.1 | 8.3 | 2.7 | 8.7 | 10.6 | 14.6 | 16.3 | 21.1 | 22.5 | 21.0 |
2 | 15.8 | 15.1 | 9.2 | 8.6 | 4.5 | 9.6 | 10.3 | 14.0 | 17.1 | 21.4 | 23.2 | 21.3 |
3 | 15.6 | 14.3 | 9.5 | 9.6 | 5.8 | 9.3 | 10.8 | 13.8 | 17.1 | 21.6 | 23.6 | 22.0 |
4 | 15.7 | 14.0 | 9.6 | 8.5 | 6.3 | 8.9 | 10.4 | 14.1 | 17.3 | 21.5 | 22.5 | 22.3 |
5 | 16.4 | 14.8 | 9.6 | 7.8 | 4.8 | 8.1 | 10.8 | 14.8 | 17.6 | 21.8 | 21.6 | 22.2 |
6 | 15.8 | 13.1 | 10.7 | 6.1 | 4.4 | 7.6 | 11.3 | 15.4 | 18.4 | 21.4 | 21.2 | 22.3 |
7 | 15.8 | 12.3 | 8.8 | 5.0 | 3.8 | 7.3 | 11.9 | 15.8 | 18.9 | 21.5 | 21.5 | 21.8 |
8 | 17.1 | 11.2 | 8.8 | 3.3 | 5.8 | 6.9 | 12.6 | 15.5 | 19.9 | 20.8 | 21.5 | 21.1 |
9 | 18.1 | 10.9 | 10.1 | 3.3 | 5.6 | 7.0 | 12.9 | 15.8 | 21.2 | 21.1 | 22.0 | 20.6 |
10 | 18.9 | 10.7 | 11.2 | 6.4 | 4.7 | 7.4 | 12.3 | 16.7 | 19.1 | 20.8 | 21.8 | 20.6 |
11 | 19.4 | 11.7 | 8.1 | 6.7 | 4.5 | 7.7 | 12.1 | 18.1 | 18.2 | 20.8 | 20.6 | 20.7 |
12 | 19.2 | 12.8 | 7.0 | 6.9 | 5.9 | 7.0 | 11.2 | 18.4 | 18.4 | 21.5 | 19.9 | 21.3 |
13 | 18.9 | 12.2 | 6.5 | 7.5 | 5.8 | 7.0 | 10.8 | 19.1 | 19.1 | 22.4 | 19.6 | 22.0 |
14 | 17.8 | 11.8 | 6.7 | 7.2 | 6.0 | 7.6 | 10.9 | 17.7 | 20.0 | 22.5 | 20.0 | 22.1 |
15 | 15.9 | 11.5 | 7.0 | 6.8 | 6.0 | 8.1 | 11.8 | 16.5 | 20.5 | 22.4 | 20.4 | 22.4 |
16 | 14.9 | 11.6 | 7.7 | 6.7 | 6.0 | 7.7 | 13.0 | 15.9 | 20.5 | 22.3 | 21.0 | 22.7 |
17 | 14.8 | 12.5 | 7.6 | 6.1 | 6.3 | 7.7 | 14.6 | 16.3 | 20.5 | 22.1 | 21.2 | 22.3 |
18 | 15.1 | 13.6 | 7.7 | 6.3 | 6.5 | 7.8 | 15.8 | 17.2 | 20.6 | 22.2 | 21.7 | 22.0 |
19 | 15.4 | 13.4 | 7.3 | 5.5 | 7.2 | 8.1 | 16.4 | 16.8 | 19.8 | 22.3 | 21.8 | 21.8 |
20 | 15.8 | 12.5 | 7.1 | 4.4 | 7.8 | 8.7 | 15.7 | 16.9 | 19.4 | 22.4 | 21.8 | 21.5 |
21 | 17.0 | 12.7 | 6.9 | 4.5 | 7.6 | 9.2 | 14.9 | 18.1 | 19.2 | 23.2 | 21.4 | 21.5 |
22 | 17.0 | 12.8 | 7.4 | 4.8 | 6.2 | 8.3 | 14.3 | 17.5 | 18.8 | 23.4 | 21.2 | 21.7 |
23 | 16.4 | 12.9 | 8.4 | 4.5 | 6.6 | 8.3 | 14.0 | 16.8 | 19.4 | 23.1 | 21.5 | 21.9 |
24 | 16.4 | 12.4 | 8.5 | 3.0 | 7.8 | 9.2 | 14.0 | 17.0 | 19.8 | 21.8 | 22.2 | 21.9 |
25 | 16.1 | 9.4 | 8.0 | 4.3 | 7.3 | 10.7 | 13.8 | 16.6 | 19.4 | 21.4 | 21.9 | 21.4 |
26 | 16.1 | 9.4 | 7.9 | 4.8 | 6.9 | 11.2 | 14.0 | 16.8 | 19.6 | 21.6 | 21.8 | 21.0 |
27 | 15.0 | 9.8 | 8.1 | 4.6 | 7.1 | 12.4 | 13.3 | 17.0 | 19.6 | 21.5 | 22.5 | 20.9 |
28 | 13.8 | 10.4 | 8.4 | 4.8 | 7.6 | 12.2 | 13.5 | 16.9 | 20.1 | 21.6 | 21.5 | 20.5 |
29 | 13.8 | 9.6 | 8.9 | 4.2 | 8.0 | 12.6 | 14.6 | 17.0 | 20.4 | 22.1 | 20.9 | 19.9 |
30 | 14.1 | 9.4 | 9.3 | 2.6 | --- | 12.0 | 15.5 | 16.6 | 20.8 | 22.4 | 20.5 | 19.5 |
31 | 14.8 | --- | 8.4 | 2.1 | --- | 11.0 | --- | 17.0 | --- | 22.3 | 20.4 | --- |
MEAN | 16.2 | 12.1 | 8.4 | 5.7 | 6.1 | 8.9 | 12.9 | 16.5 | 19.2 | 21.9 | 21.5 | 21.5 |
MAX | 19.4 | 15.1 | 11.2 | 9.6 | 8.0 | 12.6 | 16.4 | 19.1 | 21.2 | 23.4 | 23.6 | 22.7 |
MIN | 13.8 | 9.4 | 6.5 | 2.1 | 2.7 | 6.9 | 10.3 | 13.8 | 16.3 | 20.8 | 19.6 | 19.5 |
WTR YR 2004 | MEAN 14.3 | MAX 23.6 | MIN 2.1 |
Water Temperature, Sensor #6, degrees Celsius WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MINIMUM VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 16.5 | 15.0 | 9.1 | 8.4 | 3.2 | 8.6 | 10.8 | 14.6 | 16.4 | 20.8 | 22.1 | 20.9 |
2 | 15.8 | 15.1 | 9.2 | 8.6 | 4.7 | 9.6 | 10.5 | 14.1 | 17.1 | 21.0 | 22.7 | 21.2 |
3 | 15.6 | 14.3 | 9.5 | 9.7 | 5.8 | 9.4 | 10.9 | 13.9 | 17.1 | 21.4 | 23.1 | 21.7 |
4 | 15.8 | 14.0 | 9.6 | 8.6 | 6.4 | 8.9 | 10.6 | 14.1 | 17.3 | 21.2 | 22.4 | 22.0 |
5 | 16.4 | 14.9 | 9.7 | 7.9 | 6.2 | 8.3 | 10.9 | 14.7 | 17.6 | 21.6 | 21.6 | 22.0 |
6 | 15.8 | 13.2 | 10.7 | 6.2 | 5.3 | 7.8 | 11.3 | 15.4 | 18.2 | 21.2 | 21.2 | 22.0 |
7 | 15.8 | 12.4 | 8.8 | 5.7 | 5.0 | 7.6 | 11.9 | 15.8 | 18.7 | 21.3 | 21.4 | 21.7 |
8 | 17.1 | 11.3 | 8.9 | 4.5 | 6.3 | 7.1 | 12.5 | 15.5 | 19.6 | 20.8 | 21.4 | 21.1 |
9 | 18.1 | 10.9 | 10.2 | 4.2 | 5.7 | 7.1 | 12.9 | 15.8 | 20.7 | 20.9 | 21.8 | 20.7 |
10 | 18.9 | 10.8 | 11.2 | 6.5 | 5.1 | 7.5 | 12.4 | 16.6 | 19.4 | 20.7 | 21.7 | 20.6 |
11 | 19.4 | 11.8 | 8.2 | 6.7 | 5.0 | 7.8 | 12.1 | 17.9 | 18.4 | 20.8 | 20.8 | 20.6 |
12 | 19.2 | 12.9 | 7.0 | 7.0 | 6.0 | 7.0 | 11.3 | 18.4 | 18.5 | 21.2 | 20.0 | 21.0 |
13 | 18.9 | 12.3 | 6.6 | 7.5 | 6.0 | 7.1 | 11.0 | 19.0 | 19.0 | 21.9 | 19.8 | 21.6 |
14 | 17.8 | 11.8 | 6.8 | 7.3 | 6.1 | 7.6 | 11.0 | 17.8 | 19.7 | 22.2 | 20.0 | 21.9 |
15 | 15.9 | 11.5 | 7.0 | 6.8 | 6.1 | 8.2 | 11.8 | 16.6 | 20.2 | 22.1 | 20.3 | 22.1 |
16 | 14.9 | 11.7 | 7.7 | 6.8 | 6.0 | 7.8 | 12.9 | 16.1 | 20.3 | 22.0 | 20.8 | 22.4 |
17 | 14.9 | 12.6 | 7.7 | 6.1 | 6.4 | 7.7 | 14.4 | 16.4 | 20.3 | 21.9 | 21.0 | 22.1 |
18 | 15.1 | 13.6 | 7.8 | 6.4 | 6.7 | 7.8 | 15.5 | 17.1 | 20.4 | 22.0 | 21.4 | 21.9 |
19 | 15.4 | 13.4 | 7.4 | 5.7 | 7.3 | 8.2 | 16.2 | 16.8 | 19.8 | 22.0 | 21.6 | 21.6 |
20 | 15.8 | 12.6 | 7.2 | 4.9 | 7.9 | 8.7 | 15.6 | 16.9 | 19.4 | 22.1 | 21.6 | 21.4 |
21 | 17.0 | 12.7 | 7.0 | 4.6 | 7.8 | 9.3 | 14.9 | 18.0 | 19.2 | 22.6 | 21.3 | 21.4 |
22 | 17.0 | 12.8 | 7.4 | 4.8 | 6.3 | 8.6 | 14.4 | 17.5 | 18.8 | 23.0 | 21.2 | 21.5 |
23 | 16.5 | 12.9 | 8.4 | 4.6 | 6.6 | 8.5 | 14.1 | 16.8 | 19.3 | 22.8 | 21.3 | 21.7 |
24 | 16.4 | 12.5 | 8.6 | 3.0 | 7.8 | 9.3 | 14.0 | 17.0 | 19.6 | 21.8 | 21.8 | 21.8 |
25 | 15.8 | 9.5 | 8.1 | 4.4 | 7.5 | 10.6 | 14.0 | 16.7 | 19.3 | 21.4 | 21.7 | 21.4 |
26 | 16.2 | 9.4 | 8.0 | 4.9 | 7.0 | 11.2 | 14.0 | 16.8 | 19.4 | 21.4 | 21.6 | 21.0 |
27 | 15.0 | 9.8 | 8.2 | 4.6 | 7.2 | 12.2 | 13.5 | 16.9 | 19.5 | 21.4 | 22.0 | 20.9 |
28 | 13.8 | 10.5 | 8.4 | 4.9 | 7.7 | 12.1 | 13.5 | 17.0 | 19.9 | 21.5 | 21.6 | 20.5 |
29 | 13.8 | 9.7 | 8.9 | 4.2 | 8.0 | 12.5 | 14.6 | 17.0 | 20.1 | 21.8 | 20.9 | 20.0 |
30 | 14.1 | 9.4 | 9.4 | 3.0 | --- | 12.2 | 15.4 | 16.6 | 20.5 | 22.1 | 20.6 | 19.6 |
31 | 14.9 | --- | 8.5 | 2.5 | --- | 11.2 | --- | 17.0 | --- | 22.0 | 20.4 | --- |
MEAN | 16.2 | 12.2 | 8.4 | 5.8 | 6.3 | 9.0 | 13.0 | 16.5 | 19.1 | 21.6 | 21.3 | 21.3 |
MAX | 19.4 | 15.1 | 11.2 | 9.7 | 8.0 | 12.5 | 16.2 | 19.0 | 20.7 | 23.0 | 23.1 | 22.4 |
MIN | 13.8 | 9.4 | 6.6 | 2.5 | 3.2 | 7.0 | 10.5 | 13.9 | 16.4 | 20.7 | 19.8 | 19.6 |
WTR YR 2004 | MEAN 14.3 | MAX 23.1 | MIN 2.5 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |