LOCATION.-- Lat 42°31'18", long 88°39'39" (NAD of 1927), in NE 1/4 NE 1/4 sec.25, T.1 N., R.15 E., Walworth County, Hydrologic Unit 07090006, on right bank 0.9 mi upstream from County Trunk Highway B bridge, 3.2 mi southwest of Walworth. | |
DRAINAGE AREA.-- 9.58 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
DISCHARGE: September 1992 to current year. | |
GAGE.-- Water-stage recorder, phone telemeter and crest-stage gage. Elevation of gage is 935 ft above NGVD of 1929, from topographic map. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 571 ft3/s, June 13, 1999, gage height, 9.69 ft; maximum gage height, 10.05 ft, June 30, 1993, discharge, 322 ft3/s; minimum discharge, 0.58 ft3/s, March 9-12, 1996. | |
REMARKS FOR CURRENT YEAR.-- Records fair. | |
| Discharge, cubic feet per second, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
DAILY MEAN VALUES | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
| 1 | 0.99 | 1.1 | 1.00 | 0.96 | 0.80 | 1.5 | 2.2 | 1.6 | 6.2 | 2.7 | 1.2 | 1.0 |
| 2 | 0.99 | 1.7 | 1.0 | 0.95 | 0.80 | 1.5 | 1.9 | 1.6 | 3.9 | 2.7 | 1.2 | 0.99 |
| 3 | 1.1 | 2.5 | 1.0 | 0.92 | 0.81 | 1.3 | 1.9 | 1.6 | 3.4 | 3.1 | 1.3 | 0.99 |
| 4 | 1.0 | 3.4 | 1.0 | 0.92 | 0.80 | 3.0 | 1.7 | 1.6 | 3.1 | 3.0 | 1.6 | 0.96 |
| 5 | 1.1 | 2.9 | 1.0 | 0.89 | 0.83 | 17 | 1.6 | 1.5 | 3.2 | 2.7 | 1.6 | 0.97 |
| 6 | 1.1 | 1.9 | 0.99 | 0.89 | 0.83 | 3.7 | 1.6 | 1.4 | 3.5 | 2.7 | 1.6 | 0.99 |
| 7 | 1.1 | 1.6 | 0.99 | 0.89 | 0.80 | 2.8 | 1.7 | 1.3 | 3.6 | 2.4 | 1.7 | 0.97 |
| 8 | 1.1 | 1.4 | 0.99 | 0.89 | 0.80 | 2.3 | 1.6 | 1.4 | 4.1 | 2.0 | 1.8 | 0.99 |
| 9 | 1.1 | 1.4 | 1.1 | 0.89 | 0.81 | 2.1 | 1.6 | 1.4 | 5.9 | 2.1 | 1.8 | 1.1 |
| 10 | 1.2 | 1.3 | 5.4 | 0.89 | 0.80 | 1.8 | 1.6 | 1.4 | 6.9 | 2.0 | 1.4 | 1.1 |
| 11 | 1.3 | 1.2 | 3.1 | 0.89 | 0.80 | 1.6 | 1.5 | 1.4 | 7.7 | 2.0 | 1.4 | 1.1 |
| 12 | 1.4 | 1.3 | 2.2 | 0.89 | 0.80 | 1.4 | 1.5 | 1.7 | 48 | 2.0 | 1.4 | 1.0 |
| 13 | 1.4 | 1.2 | 1.8 | 0.89 | 0.80 | 1.4 | 1.5 | 4.2 | 5.3 | 1.9 | 1.2 | 1.0 |
| 14 | 1.4 | 1.2 | 1.5 | 0.89 | 0.80 | 1.4 | 1.5 | 10 | 3.7 | 1.9 | 1.2 | 0.99 |
| 15 | 1.4 | 1.2 | 1.4 | 0.88 | 0.80 | 1.2 | 1.5 | 6.3 | 3.3 | 1.9 | 1.1 | 1.0 |
| 16 | 1.4 | 1.2 | 1.3 | 0.90 | 0.81 | 1.2 | 1.6 | 3.6 | 3.2 | 1.8 | 1.1 | 1.1 |
| 17 | 1.4 | 1.2 | 1.2 | 0.98 | 0.83 | 1.2 | 1.6 | 3.1 | 3.3 | 1.8 | 1.1 | 1.1 |
| 18 | 1.4 | 1.6 | 1.2 | 0.90 | 0.87 | 1.2 | 1.6 | 6.3 | 3.2 | 1.8 | 1.3 | 1.0 |
| 19 | 1.4 | 1.6 | 1.1 | 0.90 | 0.89 | 1.2 | 1.6 | 4.1 | 3.0 | 1.8 | 1.1 | 0.93 |
| 20 | 1.4 | 1.4 | 1.1 | 0.89 | 2.5 | 1.2 | 1.8 | 6.7 | 2.9 | 1.8 | 1.1 | 0.91 |
| 21 | 1.4 | 1.3 | 1.1 | 0.89 | 3.0 | 1.2 | 1.9 | 16 | 4.3 | 1.9 | 1.1 | 0.86 |
| 22 | 1.4 | 1.2 | 1.1 | 0.86 | 3.7 | 1.1 | 1.7 | 102 | 3.6 | 1.8 | 1.1 | 0.86 |
| 23 | 1.3 | 1.2 | 0.99 | 0.85 | 15 | 1.2 | 1.7 | 31 | 3.1 | 1.7 | 1.1 | 0.88 |
| 24 | 1.4 | 1.1 | 0.97 | 0.81 | 3.9 | 2.0 | 1.7 | 8.6 | 3.0 | 1.7 | 1.1 | 0.95 |
| 25 | 1.3 | 1.1 | 0.91 | 0.82 | 1.7 | 1.9 | 1.8 | 5.2 | 3.2 | 1.6 | 1.4 | 0.95 |
| 26 | 1.2 | 1.1 | 0.89 | 0.82 | 1.6 | 6.3 | 1.7 | 4.2 | 3.2 | 1.4 | 1.3 | 0.95 |
| 27 | 1.2 | 1.1 | 0.91 | 0.83 | 1.4 | 3.6 | 1.7 | 3.7 | 2.5 | 1.4 | 1.2 | 0.95 |
| 28 | 1.2 | 1.1 | 1.1 | 0.86 | 1.3 | 3.4 | 1.7 | 3.3 | 2.4 | 1.4 | 1.3 | 0.98 |
| 29 | 1.1 | 1.1 | 1.00 | 0.89 | 1.4 | 6.0 | 1.6 | 3.2 | 2.8 | 1.4 | 1.3 | 1.00 |
| 30 | 1.2 | 1.00 | 0.99 | 0.87 | --- | 3.5 | 1.6 | 7.2 | 2.7 | 1.3 | 1.2 | 1.1 |
| 31 | 1.1 | --- | 0.96 | 0.81 | --- | 2.6 | --- | 15 | --- | 1.3 | 1.1 | --- |
| TOTAL | 38.48 | 43.60 | 41.29 | 27.41 | 50.98 | 82.8 | 50.2 | 261.6 | 158.2 | 61.0 | 40.4 | 29.67 |
| MEAN | 1.24 | 1.45 | 1.33 | 0.88 | 1.76 | 2.67 | 1.67 | 8.44 | 5.27 | 1.97 | 1.30 | 0.99 |
| MAX | 1.4 | 3.4 | 5.4 | 0.98 | 15 | 17 | 2.2 | 102 | 48 | 3.1 | 1.8 | 1.1 |
| MIN | 0.99 | 1.0 | 0.89 | 0.81 | 0.80 | 1.1 | 1.5 | 1.3 | 2.4 | 1.3 | 1.1 | 0.86 |
| CFSM | 0.13 | 0.15 | 0.14 | 0.09 | 0.18 | 0.28 | 0.17 | 0.88 | 0.55 | 0.21 | 0.14 | 0.10 |
| IN. | 0.15 | 0.17 | 0.16 | 0.11 | 0.20 | 0.32 | 0.19 | 1.02 | 0.61 | 0.24 | 0.16 | 0.12 |
| STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1992 - 2004, BY WATER YEAR (WY) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MEAN | 2.14 | 2.00 | 1.93 | 2.21 | 4.33 | 3.85 | 3.70 | 3.72 | 8.17 | 2.90 | 2.00 | 2.03 |
| MAX | 3.68 | 3.29 | 4.54 | 5.85 | 13.1 | 12.0 | 12.4 | 8.44 | 17.2 | 6.22 | 4.27 | 4.48 |
| (WY) | 1994 | 1993 | 1993 | 1993 | 1997 | 1993 | 1993 | 2004 | 1999 | 1993 | 1993 | 1993 |
| MIN | 1.24 | 1.08 | 0.99 | 0.88 | 1.23 | 0.69 | 1.00 | 1.95 | 1.38 | 1.07 | 1.02 | 0.89 |
| (WY) | 1996 | 1997 | 1998 | 2004 | 1995 | 1996 | 1996 | 1995 | 1995 | 1995 | 1995 | 2003 |
| SUMMARY STATISTICS | FOR 2003 CALENDAR YEAR | FOR 2004 WATER YEAR | WATER YEARS 1992 - 2004 | |||
|---|---|---|---|---|---|---|
| ANNUAL TOTAL | 552.02 | 885.63 | ||||
| ANNUAL MEAN | 1.51 | 2.42 | 3.23 | |||
| HIGHEST ANNUAL MEAN | 6.41 | 1993 | ||||
| LOWEST ANNUAL MEAN | 1.32 | 1995 | ||||
| HIGHEST DAILY MEAN | 27 | Jul 15 | 102 | May 22 | 251 | Feb 21 1997 |
| LOWEST DAILY MEAN | 0.78 | Sep 9 | 0.80 A | Feb 1 | 0.58 | Mar 10 1996 |
| ANNUAL SEVEN-DAY MINIMUM | 0.79 | Sep 4 | 0.80 | Feb 7 | 0.62 | Mar 9 1996 |
| MAXIMUM PEAK FLOW | 345 | May 22 | 571 B | Jun 13 1999 | ||
| MAXIMUM PEAK STAGE | 8.51 | May 22 | 10.05 C | Jun 30 1993 | ||
| INSTANTANEOUS LOW FLOW | 0.58 | Mar 20 | 0.58 D | Mar 9 1996 | ||
| ANNUAL RUNOFF (CFSM) | 0.158 | 0.253 | 0.337 | |||
| ANNUAL RUNOFF (INCHES) | 2.14 | 3.44 | 4.58 | |||
| 10 PERCENT EXCEEDS | 1.8 | 3.6 | 4.6 | |||
| 50 PERCENT EXCEEDS | 1.3 | 1.4 | 2.0 | |||
| 90 PERCENT EXCEEDS | 0.97 | 0.89 | 1.0 | |||