LOCATION.-- Lat 37°43'52", long 88°53'21" (NAD of 1927), in SW1/4SW1/4 sec.16, T.9 S., R.3 E., Williamson County, Hydrologic Unit 07140106, on right bank at downstream side of bridge on State Highway 13, 1.8 mi downstream from Buckley Creek, 2 mi east of Marion, and at mile 32.9. | |
DRAINAGE AREA.-- 31.7 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
DISCHARGE: October 1951 to current year. | |
STAGE: Water years 1994 to current year. | |
SURFACE-WATER QUALITY | |
CHEMICAL: Water years 1978-91. | |
REVISED RECORDS.-- WSP 1388: 1952-54. WDR-IL 75-1: Drainage area. | |
GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 415.82 ft above NGVD of 1929. Prior to Aug. 25, 1965, nonrecording gage and crest-stage gage at bridge 800 ft downstream and Aug. 25, 1965, to Oct. 28, 1965, nonrecording gage at present site and datum. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 9,430 ft3/s, Dec. 17, 2001, on basis of contracted opening measurement of peak flow, gage height, 13.63 ft; no flow for many days in most years. | |
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 | 0.29 | e1.4 | 0.78 | 657 | e1.0 | 101 | 11 | 27 | 27 | 3.6 | 2.4 | 0.53 |
| 2 | 0.21 | e1.0 | e0.64 | 191 | e1.7 | 70 | 8.9 | 34 | 25 | 3.6 | 69 | 0.58 |
| 3 | 0.20 | e0.70 | e0.58 | 96 | e2.5 | 46 | 7.3 | 26 | 130 | 3.7 | 92 | 3.3 |
| 4 | 0.30 | e0.55 | e0.58 | 42 | 10 | 48 | 6.6 | 58 | 57 | 3.6 | 11 | 1.7 |
| 5 | 0.43 | e0.45 | e0.60 | 28 | 4.2 | 31 | 5.8 | 454 | 32 | 3.4 | 2.0 | 0.63 |
| 6 | 0.38 | 0.66 | e0.63 | 19 | 2.0 | 23 | 5.9 | 167 | 23 | 2.3 | 1.3 | 0.40 |
| 7 | 0.37 | 0.38 | e0.66 | 11 | e1.6 | 19 | 21 | 176 | 21 | 1.8 | 1.4 | 0.32 |
| 8 | 0.29 | 0.24 | e0.72 | 9.9 | e1.3 | 17 | 16 | 103 | 19 | 1.5 | 1.6 | 0.29 |
| 9 | 0.24 | 0.33 | e0.80 | 9.4 | e1.1 | 15 | 8.8 | 66 | 16 | 1.3 | 1.6 | 0.32 |
| 10 | 0.31 | 111 | e1.0 | 5.9 | e1.4 | 12 | 6.4 | 45 | 30 | 1.1 | 1.6 | 0.36 |
| 11 | 0.39 | e50 | e1.2 | e3.0 | e2.0 | 12 | 4.9 | 64 | 383 | 0.96 | 1.6 | 0.32 |
| 12 | 0.33 | e12 | 1.5 | e2.0 | e4.3 | 13 | 4.3 | 41 | 1070 | 0.94 | 1.4 | 0.28 |
| 13 | 0.28 | e7.0 | 1.6 | e1.6 | e2.3 | 18 | 3.7 | 26 | 160 | 1.1 | 1.3 | 0.25 |
| 14 | 0.29 | e4.5 | 3.6 | e1.3 | e40 | 20 | 3.3 | 22 | 165 | 1.2 | 1.3 | 0.28 |
| 15 | 0.27 | e3.0 | 3.8 | e1.1 | 137 | 17 | 2.9 | 79 | 68 | 1.1 | 1.2 | 0.25 |
| 16 | 0.23 | e2.2 | 1.3 | e1.0 | 79 | 16 | 2.9 | 39 | 46 | 0.92 | 1.1 | 0.26 |
| 17 | 0.16 | e1.8 | 1.0 | e0.87 | 39 | 17 | 60 | 32 | 27 | 0.83 | 0.87 | 0.23 |
| 18 | 0.14 | e1.6 | 20 | e0.80 | 31 | 21 | 23 | 34 | 40 | 0.95 | 0.72 | 0.19 |
| 19 | 0.17 | e1.3 | 427 | e0.72 | 338 | 99 | 9.0 | 30 | 29 | 1.2 | 0.62 | 0.16 |
| 20 | 0.27 | e1.2 | 241 | e0.65 | 505 | 114 | 7.4 | 45 | 14 | 1.3 | 0.53 | 0.15 |
| 21 | 0.33 | 1.1 | 38 | e0.60 | 236 | 143 | 8.0 | 43 | 7.8 | 1.4 | 0.47 | 0.15 |
| 22 | 0.32 | 0.99 | 14 | e0.53 | 411 | 76 | 5.4 | 28 | 5.7 | 1.2 | 0.41 | 0.26 |
| 23 | 0.31 | 0.84 | 6.0 | e0.47 | 404 | 27 | 4.8 | 21 | 8.9 | 1.0 | 0.35 | 0.26 |
| 24 | 0.32 | 0.85 | 58 | e0.42 | 173 | 19 | 7.3 | 17 | 7.5 | 0.90 | 0.31 | 0.22 |
| 25 | 0.67 | 0.81 | 86 | e0.38 | e100 | 21 | 93 | 86 | 5.7 | 0.94 | 0.31 | 0.19 |
| 26 | 0.82 | 0.80 | 40 | e0.35 | e56 | 68 | 122 | 86 | 3.4 | 0.98 | 0.30 | 0.19 |
| 27 | 0.57 | 0.83 | e15 | e0.33 | e48 | 38 | 49 | 41 | 4.0 | 0.96 | 0.31 | 0.26 |
| 28 | 0.47 | 0.89 | e12 | e0.38 | e57 | 20 | 25 | 31 | 4.1 | 0.92 | 0.35 | 0.22 |
| 29 | 14 | 0.88 | e50 | e0.46 | --- | 30 | 29 | 43 | 3.8 | 0.92 | 0.81 | 0.18 |
| 30 | e5.0 | 0.83 | e250 | e0.60 | --- | 21 | 39 | 34 | 3.7 | 0.99 | 22 | 0.17 |
| 31 | e2.5 | --- | 739 | e0.80 | --- | 13 | --- | 29 | --- | 1.1 | 6.7 | --- |
| TOTAL | 30.86 | 210.13 | 2016.99 | 1087.56 | 2689.4 | 1205 | 601.6 | 2027 | 2436.6 | 47.71 | 226.86 | 12.90 |
| MEAN | 1.00 | 7.00 | 65.1 | 35.1 | 96.0 | 38.9 | 20.1 | 65.4 | 81.2 | 1.54 | 7.32 | 0.43 |
| MAX | 14 | 111 | 739 | 657 | 505 | 143 | 122 | 454 | 1070 | 3.7 | 92 | 3.3 |
| MIN | 0.14 | 0.24 | 0.58 | 0.33 | 1.0 | 12 | 2.9 | 17 | 3.4 | 0.83 | 0.30 | 0.15 |
| CFSM | 0.03 | 0.22 | 2.05 | 1.11 | 3.03 | 1.23 | 0.63 | 2.06 | 2.56 | 0.05 | 0.23 | 0.01 |
| IN. | 0.04 | 0.25 | 2.37 | 1.28 | 3.16 | 1.41 | 0.71 | 2.38 | 2.86 | 0.06 | 0.27 | 0.02 |
| e Estimated |
| STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1952 - 2003, BY WATER YEAR (WY) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MEAN | 4.36 | 22.2 | 37.5 | 38.1 | 46.5 | 63.3 | 56.4 | 45.8 | 20.3 | 6.84 | 4.97 | 4.04 |
| MAX | 82.5 | 223 | 284 | 214 | 176 | 180 | 296 | 222 | 165 | 61.0 | 50.6 | 48.0 |
| (WY) | 2002 | 1986 | 2002 | 1982 | 1985 | 1979 | 1996 | 1996 | 2000 | 1958 | 1985 | 1993 |
| MIN | 0.000 | 0.000 | 0.000 | 0.019 | 0.14 | 0.000 | 0.51 | 0.24 | 0.000 | 0.000 | 0.000 | 0.000 |
| (WY) | 1953 | 1954 | 1954 | 1981 | 1964 | 1954 | 1981 | 1965 | 1953 | 1959 | 1953 | 1952 |
| SUMMARY STATISTICS | FOR 2002 CALENDAR YEAR | FOR 2003 WATER YEAR | WATER YEARS 1952 - 2003 | |||
|---|---|---|---|---|---|---|
| ANNUAL TOTAL | 19497.77 | 12592.61 | ||||
| ANNUAL MEAN | 53.4 | 34.5 | 29.1 | |||
| HIGHEST ANNUAL MEAN | 84.1 | 2002 | ||||
| LOWEST ANNUAL MEAN | 2.39 | 1954 | ||||
| HIGHEST DAILY MEAN | 1910 | May 13 | 1070 | Jun 12 | 5550 | Dec 17 2001 |
| LOWEST DAILY MEAN | 0.00 A | Several days | 0.14 | Oct 18 | 0.00 | B |
| ANNUAL SEVEN-DAY MINIMUM | 0.00 A | Sep 7 | 0.20 | Sep 15 | 0.00 | Oct 1 1951 |
| MAXIMUM PEAK FLOW | 1540 | Jun 12 | 9430 C | Dec 17 2001 | ||
| MAXIMUM PEAK STAGE | 10.85 | Jun 12 | 13.63 | Dec 17 2001 | ||
| ANNUAL RUNOFF (CFSM) | 1.69 | 1.09 | 0.92 | |||
| ANNUAL RUNOFF (INCHES) | 22.88 | 14.78 | 12.47 | |||
| 10 PERCENT EXCEEDS | 100 | 79 | 48 | |||
| 50 PERCENT EXCEEDS | 8.0 | 3.0 | 2.2 | |||
| 90 PERCENT EXCEEDS | 0.24 | 0.31 | 0.00 | |||
C - On basis of contracted opening measurement of peak flow. |