LOCATION.-- Lat 39°43'52", long 88°39'43" (NAD of 1927), in NW1/4SW1/4 sec.21, T.15 N., R.5 E., Moultrie County, Hydrologic Unit 07140201, on left downstream side of bridge on State Highways 32 and 133, 1.5 mi northwest of Lovington, 1.7 mi upstream from Stringtown Branch, and at mile 25.4. | |
DRAINAGE AREA.-- 112 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
DISCHARGE: February 1980 to current year. | |
STAGE: Water years 1994 to current year. Gage-height record for January 1963 to February 1980 available in files of U.S. Army Corps of Engineers. | |
PARTIAL RECORD: Occasional low-flow measurements, water years 1971-73. | |
SURFACE-WATER QUALITY | |
CHEMICAL: Water years 1980-91. | |
GAGE.-- Water-stage recorder, and U.S. Army Corps of Engineers satellite telemeter. Datum of gage is 632.50 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers). | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 10,300 ft3/s, May 8, 1996, from rating curve extended above 9,490 ft3/s, gage height 16.40 ft; no flow for many days in most years. | |
EXTREMES OUTSIDE PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Flood of May 1968 reached a stage of 14.66 ft, discharge not determined, from information by U.S. Army Corps of Engineers. | |
REMARKS FOR CURRENT YEAR.-- Records poor. | |
| Discharge, cubic feet per second, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
DAILY MEAN VALUES | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
| 1 | 0.00 | 0.00 | 0.00 | 3.2 | e0.06 | e0.14 | 3.6 | 10 | 30 | 131 | 2.6 | 37 |
| 2 | 0.00 | 0.00 | 0.00 | 2.4 | e0.08 | e0.15 | 4.4 | 11 | 27 | 85 | 2.2 | 139 |
| 3 | 0.00 | 0.00 | 0.00 | 2.0 | e0.10 | e0.13 | 4.5 | 9.9 | 34 | 48 | 2.2 | 62 |
| 4 | 0.00 | 0.00 | 0.00 | 1.7 | e0.12 | e0.16 | 4.7 | 8.9 | 33 | 32 | 2.3 | 27 |
| 5 | 0.00 | 0.00 | 0.00 | 1.5 | e0.17 | e0.19 | 9.7 | 31 | 27 | 24 | 2.0 | 12 |
| 6 | 0.00 | 0.00 | 0.00 | 1.3 | e0.15 | e0.24 | 7.9 | 66 | 25 | 18 | 1.2 | 6.6 |
| 7 | 0.00 | 0.00 | 0.00 | 1.2 | e0.13 | e0.30 | 6.7 | 313 | 30 | 15 | 0.88 | 3.9 |
| 8 | 0.00 | 0.00 | 0.00 | 1.2 | e0.11 | e0.45 | 13 | 113 | 27 | 11 | 0.65 | 2.4 |
| 9 | 0.00 | 0.00 | 0.00 | 1.2 | e0.10 | e0.78 | 14 | 106 | 22 | 24 | 0.55 | 2.0 |
| 10 | 0.00 | 0.03 | 0.00 | 1.2 | e0.09 | e0.66 | 12 | 897 | 22 | 655 | 0.33 | 1.9 |
| 11 | 0.00 | 0.04 | 0.00 | e0.80 | e0.08 | e0.56 | 12 | 995 | 24 | 773 | 0.25 | 1.3 |
| 12 | 0.00 | 0.04 | 0.00 | e0.60 | e0.07 | e1.0 | 11 | 496 | 469 | 340 | 0.19 | 1.2 |
| 13 | 0.00 | 0.03 | 0.00 | e0.40 | e0.06 | e3.5 | 9.7 | 267 | 531 | 188 | 0.13 | 1.2 |
| 14 | 0.00 | 0.04 | 0.00 | e0.35 | e0.09 | e30 | 8.2 | 181 | 735 | 144 | 0.12 | 1.1 |
| 15 | 0.00 | 0.04 | 0.00 | e0.16 | e0.15 | 16 | 7.3 | 132 | 379 | 96 | 0.09 | 0.90 |
| 16 | 0.00 | 0.04 | 0.00 | e0.11 | e0.30 | 13 | 6.6 | 111 | 237 | 63 | 0.07 | 0.75 |
| 17 | 0.00 | 0.02 | 0.00 | e0.08 | e0.26 | 11 | 9.0 | 96 | 170 | 42 | 0.04 | 0.64 |
| 18 | 0.00 | 0.00 | 0.02 | e0.05 | e0.22 | 9.2 | 9.3 | 85 | 123 | 35 | 0.00 | 0.54 |
| 19 | 0.00 | 0.00 | 0.18 | e0.03 | e0.20 | 8.9 | 6.4 | 66 | 114 | 29 | 0.07 | 0.45 |
| 20 | 0.00 | 0.00 | 1.6 | e0.02 | e0.52 | 9.7 | 6.9 | 298 | 82 | 21 | 0.02 | 0.42 |
| 21 | 0.00 | 0.00 | 1.7 | e0.02 | e0.50 | 12 | 10 | 224 | 61 | 27 | 0.00 | 0.38 |
| 22 | 0.00 | 0.00 | 1.3 | e0.01 | e0.36 | 11 | 9.4 | 144 | 50 | 40 | 0.00 | 0.71 |
| 23 | 0.00 | 0.00 | 0.91 | e0.01 | e0.28 | 8.6 | 6.9 | 108 | 43 | 24 | 0.00 | 0.63 |
| 24 | 0.00 | 0.00 | 0.73 | e0.01 | e0.22 | 7.5 | 5.8 | 85 | 39 | 14 | 0.00 | 0.57 |
| 25 | 0.00 | 0.00 | 0.81 | e0.02 | e0.19 | 7.0 | 8.7 | 69 | 35 | 10 | 0.00 | 0.38 |
| 26 | 0.00 | 0.00 | 0.76 | e0.02 | e0.17 | 6.7 | 13 | 52 | 34 | 7.8 | 0.00 | 0.43 |
| 27 | 0.00 | 0.00 | 0.72 | e0.02 | e0.16 | 5.4 | 12 | 43 | 31 | 6.4 | 0.00 | 1.2 |
| 28 | 0.00 | 0.00 | 0.61 | e0.03 | e0.15 | 6.1 | 11 | 40 | 29 | 5.9 | 0.00 | 0.93 |
| 29 | 0.00 | 0.00 | 0.62 | e0.04 | --- | 8.4 | 11 | 43 | 26 | 5.2 | 0.00 | 0.85 |
| 30 | 0.00 | 0.00 | 0.80 | e0.04 | --- | 6.2 | 9.8 | 38 | 123 | 4.0 | 0.00 | 0.65 |
| 31 | 0.00 | --- | 2.2 | e0.05 | --- | 3.6 | --- | 39 | --- | 3.3 | 0.00 | --- |
| TOTAL | 0.00 | 0.28 | 12.96 | 19.77 | 5.09 | 188.56 | 264.5 | 5177.8 | 3612 | 2921.6 | 15.89 | 309.03 |
| MEAN | 0.000 | 0.009 | 0.42 | 0.64 | 0.18 | 6.08 | 8.82 | 167 | 120 | 94.2 | 0.51 | 10.3 |
| MAX | 0.00 | 0.04 | 2.2 | 3.2 | 0.52 | 30 | 14 | 995 | 735 | 773 | 2.6 | 139 |
| MIN | 0.00 | 0.00 | 0.00 | 0.01 | 0.06 | 0.13 | 3.6 | 8.9 | 22 | 3.3 | 0.00 | 0.38 |
| CFSM | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.05 | 0.08 | 1.49 | 1.07 | 0.84 | 0.00 | 0.09 |
| IN. | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.06 | 0.09 | 1.72 | 1.20 | 0.97 | 0.01 | 0.10 |
| e Estimated |
| STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 2003, BY WATER YEAR (WY) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MEAN | 41.4 | 83.5 | 119 | 101 | 178 | 171 | 183 | 247 | 143 | 61.7 | 28.3 | 17.4 |
| MAX | 316 | 530 | 378 | 385 | 669 | 536 | 542 | 873 | 490 | 373 | 351 | 224 |
| (WY) | 1994 | 1986 | 1991 | 1993 | 1982 | 1982 | 2002 | 1996 | 1998 | 1992 | 1981 | 1993 |
| MIN | 0.000 | 0.000 | 0.020 | 0.64 | 0.18 | 6.08 | 8.82 | 21.5 | 7.24 | 0.075 | 0.000 | 0.000 |
| (WY) | 1989 | 2000 | 2000 | 2003 | 2003 | 2003 | 2003 | 1988 | 1988 | 1988 | 1988 | 1988 |
| SUMMARY STATISTICS | FOR 2002 CALENDAR YEAR | FOR 2003 WATER YEAR | WATER YEARS 1980 - 2003 | |||
|---|---|---|---|---|---|---|
| ANNUAL TOTAL | 66141.86 | 12527.48 | ||||
| ANNUAL MEAN | 181 | 34.3 | 116 | |||
| HIGHEST ANNUAL MEAN | 219 | 2002 | ||||
| LOWEST ANNUAL MEAN | 34.3 | 2003 | ||||
| HIGHEST DAILY MEAN | 5980 | May 12 | 995 | May 11 | 6080 | Apr 12 1994 |
| LOWEST DAILY MEAN | 0.00 | Many days | 0.00 | Many days | 0.00 | A |
| ANNUAL SEVEN-DAY MINIMUM | 0.00 | Many days | 0.00 | Many days | 0.00 | A |
| MAXIMUM PEAK FLOW | 1820 | May 10 | 10300 B | May 8 1996 | ||
| MAXIMUM PEAK STAGE | 10.38 | May 10 | 16.40 | May 8 1996 | ||
| ANNUAL RUNOFF (CFSM) | 1.62 | 0.31 | 1.03 | |||
| ANNUAL RUNOFF (INCHES) | 21.97 | 4.16 | 14.05 | |||
| 10 PERCENT EXCEEDS | 458 | 74 | 307 | |||
| 50 PERCENT EXCEEDS | 25 | 0.81 | 37 | |||
| 90 PERCENT EXCEEDS | 0.00 | 0.00 | 0.00 | |||
|