LOCATION.-- Lat 41°50'45", long 88°20'57" (NAD of 1927), in NW1/4NW1/4SE1/4 sec.20, T.39 N., R.8 E., Kane County, Hydrologic Unit 07120007, on left bank at bridge on Deer Path road, 1 mi. west of Batavia, and at mile 2.9. | |
DRAINAGE AREA.-- 27.6 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
DISCHARGE: May 1998 to current year. | |
STAGE: Water years 1998-2002. | |
PARTIAL RECORD: Miscellaneous discharge measurements, water year 1998. | |
PRECIPITATION: October 1999 to current year. | |
GAGE.-- Water-stage recorder, phone telemeter, unheated tipping-bucket rain gage, and crest-stage gage. Datum of gage is 685.00 ft above NGVD of 1929. | |
REMARKS.-- Effluent from sewage-treatment plant 5 mi upstream. Collection, computation, and publication of precipitation data do not necessarily conform to standards used by the National Weather Service. Precipitation data could be subject to error for days with freezing and/or thawing of precipitation. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1,080 ft3/s, Apr. 23, 1999, gage height, 7.52 ft; minimum discharge, 0.40 ft3/s, Aug. 11, 2001. | |
PRECIPITATION: Maximum daily total, 2.84 in, August 13, 2002. | |
EXTREMES FOR CURRENT YEAR.-- Records fair except those for June 5 to Aug. 8 and estimated daily discharges, which are poor. Effluent from sewage-treatment plant 5 mi. upstream averaged 0.47 ft ft3/s during the year. The maximum average was 0.57 ft3/s in June and the minimum was 0.40 ft3/s in November. | |
| DISCHARGE, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002
DAILY MEAN VALUES | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
| 1 | 4.8 | 20 | 23 | e8.2 | 11 | 15 | 19 | 21 | 15 | 8.3 | 5.4 | 8.3 |
| 2 | 3.9 | 18 | 21 | e8.0 | 10 | e15 | 21 | 27 | 14 | 7.5 | 4.8 | 8.4 |
| 3 | 3.5 | 15 | 18 | e8.0 | 9.5 | e14 | 19 | 24 | 15 | 7.1 | 4.4 | 8.3 |
| 4 | 3.7 | 13 | 17 | e8.4 | 9.3 | e13 | 17 | 19 | 193 | 6.7 | 5.8 | 7.4 |
| 5 | 18 | 11 | 15 | 9.0 | 8.9 | e12 | 16 | 16 | 315 | 6.3 | 15 | 7.0 |
| 6 | 16 | 10 | 14 | 8.7 | 8.4 | e15 | 15 | 14 | 127 | 6.0 | 9.8 | 6.7 |
| 7 | 12 | 9.6 | 13 | 7.8 | 8.6 | 23 | 19 | 13 | 79 | 5.8 | 7.1 | 6.2 |
| 8 | 9.0 | 9.1 | 12 | 8.2 | 8.6 | 73 | 53 | 12 | 57 | 5.4 | 6.3 | 6.0 |
| 9 | 7.0 | 8.3 | 11 | 8.6 | 9.4 | 125 | 127 | 17 | 45 | 235 | 5.5 | 6.1 |
| 10 | 6.8 | 7.8 | 11 | 8.0 | 20 | 104 | 99 | 14 | 39 | 141 | 4.8 | 6.1 |
| 11 | 9.1 | 7.0 | 11 | 7.7 | 24 | 66 | 61 | 42 | 39 | 60 | 4.4 | 5.9 |
| 12 | 20 | 6.5 | 11 | 7.8 | 21 | 48 | 49 | 249 | 37 | 37 | 3.9 | 5.8 |
| 13 | 85 | 7.7 | 24 | 7.7 | 20 | 40 | 35 | 164 | 34 | 27 | 33 | 5.6 |
| 14 | 197 | 10 | 23 | 7.8 | 17 | 34 | 28 | 86 | 42 | 20 | 183 | 5.5 |
| 15 | 99 | 11 | 20 | 7.6 | 16 | 30 | 23 | 59 | 40 | 15 | 77 | 5.3 |
| 16 | 64 | 9.1 | 19 | 7.4 | 15 | 25 | 20 | 75 | 31 | 12 | 39 | 5.4 |
| 17 | 46 | 8.5 | 19 | 8.0 | 14 | 22 | 17 | 99 | 25 | 8.4 | 26 | 4.8 |
| 18 | 36 | 8.0 | 18 | 7.3 | 13 | 20 | 15 | 66 | 22 | 11 | 19 | 6.3 |
| 19 | 30 | 9.1 | 18 | 7.3 | 16 | 19 | 14 | 50 | 19 | 8.9 | 17 | 9.4 |
| 20 | 24 | 11 | 17 | 7.0 | 43 | 19 | 18 | 41 | 18 | 8.4 | 15 | 13 |
| 21 | 20 | 11 | 16 | 7.2 | 45 | 17 | 23 | 36 | 16 | 7.8 | 12 | 13 |
| 22 | 20 | 11 | 16 | 6.8 | 33 | 15 | 31 | 32 | 15 | 6.9 | 84 | 17 |
| 23 | 115 | 10 | 19 | 8.0 | 28 | 14 | 24 | 30 | 13 | 6.3 | 104 | 15 |
| 24 | 128 | 14 | 18 | 8.9 | 24 | 14 | 21 | 29 | 11 | 5.6 | 63 | 10 |
| 25 | 123 | 21 | e14 | 9.0 | 21 | 12 | 22 | 31 | 11 | 5.9 | 39 | 8.0 |
| 26 | 70 | 20 | e13 | 8.6 | 19 | 12 | 18 | 28 | 11 | 6.2 | 27 | 6.8 |
| 27 | 47 | 18 | e12 | 8.6 | 18 | 12 | 23 | 24 | 11 | 7.4 | 19 | 6.1 |
| 28 | 37 | 16 | e11 | 8.6 | 17 | 12 | 48 | 22 | 9.7 | 6.9 | 14 | 5.4 |
| 29 | 31 | 16 | e10 | 8.6 | --- | 17 | 36 | 22 | 9.1 | 8.1 | 12 | 5.5 |
| 30 | 26 | 24 | e9.2 | 8.4 | --- | 22 | 27 | 19 | 8.7 | 7.3 | 14 | 5.5 |
| 31 | 23 | --- | e8.6 | 11 | --- | 19 | --- | 17 | --- | 6.7 | 9.1 | --- |
| TOTAL | 1334.8 | 370.7 | 481.8 | 252.2 | 507.7 | 898 | 958 | 1398 | 1321.5 | 711.9 | 883.3 | 229.8 |
| MEAN | 43.06 | 12.36 | 15.54 | 8.135 | 18.13 | 28.97 | 31.93 | 45.10 | 44.05 | 22.96 | 28.49 | 7.660 |
| MAX | 197 | 24 | 24 | 11 | 45 | 125 | 127 | 249 | 315 | 235 | 183 | 17 |
| MIN | 3.5 | 6.5 | 8.6 | 6.8 | 8.4 | 12 | 14 | 12 | 8.7 | 5.4 | 3.9 | 4.8 |
| CFSM | 1.56 | 0.45 | 0.56 | 0.29 | 0.66 | 1.05 | 1.16 | 1.63 | 1.59 | 0.83 | 1.03 | 0.28 |
| IN. | 1.80 | 0.50 | 0.65 | 0.34 | 0.68 | 1.21 | 1.29 | 1.88 | 1.78 | 0.96 | 1.19 | 0.31 |
| e Estimated |
| STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1998 - 2002, BY WATER YEAR (WY) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MEAN | 26.60 | 16.59 | 13.29 | 19.17 | 34.73 | 23.76 | 42.18 | 26.52 | 31.78 | 20.21 | 12.51 | 10.99 |
| MAX | 43.8 | 26.5 | 19.1 | 49.1 | 68.4 | 30.3 | 89.5 | 45.1 | 44.0 | 45.8 | 28.5 | 18.7 |
| (WY) | 1999 | 2001 | 1999 | 1999 | 2001 | 2001 | 1999 | 2002 | 2002 | 1998 | 2002 | 2001 |
| MIN | 8.80 | 4.49 | 8.05 | 5.82 | 18.1 | 9.65 | 23.1 | 11.9 | 23.4 | 3.40 | 2.41 | 5.56 |
| (WY) | 2000 | 2000 | 2001 | 2000 | 2000 | 2000 | 2000 | 2000 | 2001 | 2001 | 2001 | 1998 |
| SUMMARY STATISTICS | FOR 2001 CALENDAR YEAR | FOR 2002 WATER YEAR | WATER YEARS 1998 - 2002 | |||
|---|---|---|---|---|---|---|
| ANNUAL TOTAL | 8035.01 | 9347.7 | ||||
| ANNUAL MEAN | 22.01 | 25.61 | 22.80 | |||
| HIGHEST ANNUAL MEAN | 32.4 | 1999 | ||||
| LOWEST ANNUAL MEAN | 13.4 | 2000 | ||||
| HIGHEST DAILY MEAN | 369 | Feb 9 | 315 | Jun 5 | 754 | Apr 23 1999 |
| LOWEST DAILY MEAN | 0.47 | Aug 14 | 3.5 | Oct 3 | 0.47 | Aug 14 2001 |
| ANNUAL SEVEN-DAY MINIMUM | 0.59 | Aug 9 | 5.5 | Sep 11 | 0.59 | Aug 9 2001 |
| MAXIMUM PEAK FLOW | 406 | Jun 5 | 1080 | Apr 23 1999 | ||
| MAXIMUM PEAK STAGE | 6.47 | Jun 5 | 7.52 | Apr 23 1999 | ||
| INSTANTANEOUS LOW FLOW | 2.2 | Aug 4 | 0.40 | Aug 11 2001 | ||
| ANNUAL RUNOFF (CFSM) | 0.80 | 0.93 | 0.83 | |||
| ANNUAL RUNOFF (INCHES) | 10.82 | 12.59 | 11.22 | |||
| 10 PERCENT EXCEEDS | 48 | 51 | 48 | |||
| 50 PERCENT EXCEEDS | 13 | 15 | 12 | |||
| 90 PERCENT EXCEEDS | 2.4 | 6.3 | 4.1 | |||
|