LOCATION.-- Lat 41°31'42", long 87°31'45" (NAD of 1927), at north boundary of sec.17, T.35 N., R.15 E., Cook County, Hydrologic Unit 07120003, on right bank at upstream side of bridge on 202nd Street, 0.2 mi west of Indiana State line, 0.5 mi east of Burnham Avenue, 2 mi south of Lansing, and at mile 2.7. | |
DRAINAGE AREA.-- 8.84 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
DISCHARGE: May 1948 to current year. Prior to October 1974, records published with those for streams in the St. Lawrence River basin (WSP 1307, 1727, 1911, 2111, WDR IL 1971-74). | |
STAGE: Water years 1994-2002. | |
REVISED RECORDS.-- WDR IL-75-1: Drainage area. WDR IL-79-2: 1975-78. | |
GAGE.-- Water-stage recorder. Datum of gage is 607.16 ft above NGVD of 1929. Prior to Sept. 20, 1948, nonrecording gage at same site and datum. | |
REMARKS.-- Some diurnal fluctuation caused by pumping operations upstream from station. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 461 ft3/s, May 10 or 11, 1948, gage height, 9.24 ft, from floodmark; maximum gage height, 10.18 ft, Oct. 11, 1954, discharge 302 ft3/s; no flow at times in most years. | |
REMARKS FOR CURRENT YEAR.-- Records poor. | |
| 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 | 0.44 | 1.6 | 22 | e0.97 | 24 | 2.0 | e2.6 | 3.1 | e0.82 | e0.05 | 0.10 | 0.51 |
| 2 | 0.43 | 21 | 11 | e0.94 | 18 | 3.7 | 18 | 4.6 | 0.68 | e0.04 | 0.13 | 2.0 |
| 3 | 0.41 | 14 | 6.6 | e0.93 | 10 | e7.2 | 23 | 6.4 | e0.53 | e0.17 | 0.15 | 0.83 |
| 4 | 1.8 | 5.5 | 4.1 | e0.92 | 8.0 | e7.0 | 12 | 6.3 | e0.42 | e0.28 | 0.15 | e0.10 |
| 5 | 26 | 3.1 | 2.8 | e0.94 | 5.2 | 5.7 | 7.7 | 6.2 | e0.36 | 0.18 | 0.21 | 0.00 |
| 6 | 5.8 | 2.4 | 3.5 | e0.96 | 3.4 | 6.3 | 5.4 | 7.6 | e0.32 | e0.08 | 0.17 | e0.01 |
| 7 | 2.0 | 2.1 | 2.9 | 0.97 | 2.4 | 23 | 4.4 | 17 | e0.28 | e0.05 | 0.01 | e0.01 |
| 8 | 1.4 | 1.9 | 2.3 | 0.90 | 2.4 | 45 | 25 | 20 | e0.24 | 0.09 | 0.00 | e0.01 |
| 9 | 1.5 | 1.7 | 2.0 | 0.91 | 6.5 | 40 | 44 | 27 | e0.21 | 0.83 | 0.00 | e0.01 |
| 10 | 1.3 | 2.0 | 8.4 | 0.99 | 18 | 27 | 32 | 14 | e0.19 | 0.37 | 0.03 | e0.14 |
| 11 | 0.94 | 1.4 | 18 | 0.95 | 12 | 28 | 33 | 26 | e0.16 | 0.08 | 0.05 | e0.10 |
| 12 | 23 | 1.3 | 1.4 | 0.86 | 7.5 | 34 | 23 | 86 | 0.12 | 0.09 | 0.04 | e0.06 |
| 13 | 27 | 1.3 | 1.7 | 0.82 | 4.9 | 19 | 7.8 | 31 | 0.09 | 0.07 | 0.06 | e0.03 |
| 14 | 57 | 3.7 | 2.4 | 11 | 3.5 | 6.3 | 5.4 | 25 | e0.13 | 0.02 | 0.19 | e0.01 |
| 15 | 22 | 1.1 | 3.3 | 20 | 2.8 | 3.7 | 15 | 22 | e0.24 | e0.02 | 0.14 | e0.04 |
| 16 | 12 | 1.00 | 3.4 | 0.91 | 2.2 | 2.7 | 4.4 | 5.6 | e0.36 | e0.01 | 0.61 | e0.06 |
| 17 | 7.0 | 0.95 | 9.1 | 0.72 | 1.7 | 2.4 | 13 | 8.8 | e0.20 | e0.02 | 0.41 | e0.02 |
| 18 | 27 | 0.93 | 17 | 0.65 | 1.5 | 2.0 | 9.6 | 1.5 | e0.29 | e0.02 | 0.27 | 0.32 |
| 19 | 31 | 1.1 | 20 | 0.57 | 2.8 | 2.0 | 2.5 | 0.95 | e0.31 | e0.01 | 0.92 | 0.36 |
| 20 | 2.5 | 1.2 | 4.4 | 0.57 | 22 | 2.0 | 12 | 14 | e0.20 | e0.01 | 0.57 | 0.80 |
| 21 | 2.2 | 1.1 | 3.2 | 0.56 | 19 | 2.0 | 11 | 24 | e0.11 | e0.02 | 0.25 | 0.36 |
| 22 | 2.2 | 1.1 | 2.6 | 0.54 | 9.9 | 1.8 | 9.4 | 25 | e0.10 | e0.02 | e0.22 | 0.28 |
| 23 | 11 | 1.00 | 3.0 | 0.62 | 5.9 | 1.8 | 4.7 | 15 | 0.08 | e0.01 | e0.22 | 0.19 |
| 24 | 9.0 | 5.0 | 2.6 | 0.90 | 4.0 | 1.6 | 4.6 | e9.0 | 0.06 | e0.01 | e0.27 | 0.11 |
| 25 | 17 | 6.2 | 2.2 | 0.92 | 2.9 | e1.8 | 11 | e5.2 | e0.12 | 0.00 | e0.12 | 0.07 |
| 26 | 4.1 | 2.7 | 2.0 | 0.91 | 2.9 | e1.7 | 3.7 | e3.7 | 0.41 | e0.01 | e0.06 | e0.06 |
| 27 | 2.4 | 2.2 | 1.7 | 0.89 | 2.7 | e1.6 | 6.3 | e1.9 | 2.2 | 0.10 | e0.04 | e0.06 |
| 28 | 2.1 | 2.0 | 1.5 | 8.5 | 2.7 | e1.5 | 20 | e1.5 | 0.11 | 0.05 | e0.02 | e0.05 |
| 29 | 1.9 | 2.6 | 1.3 | 1.5 | --- | e3.1 | 7.5 | e1.3 | e0.08 | 0.17 | e0.02 | e0.03 |
| 30 | 1.7 | 32 | e1.1 | 1.3 | --- | e3.7 | 3.4 | 1.2 | e0.06 | 0.13 | e0.00 | 0.17 |
| 31 | 1.6 | --- | e1.0 | 10 | --- | e2.5 | --- | e1.0 | --- | 0.11 | e0.00 | --- |
| TOTAL | 305.72 | 125.18 | 168.5 | 73.12 | 208.8 | 292.1 | 381.4 | 421.85 | 9.48 | 3.12 | 5.43 | 6.80 |
| MEAN | 9.862 | 4.173 | 5.435 | 2.359 | 7.457 | 9.423 | 12.71 | 13.61 | 0.316 | 0.101 | 0.175 | 0.227 |
| MAX | 57 | 32 | 22 | 20 | 24 | 45 | 44 | 86 | 2.2 | 0.83 | 0.92 | 2.0 |
| MIN | 0.41 | 0.93 | 1.0 | 0.54 | 1.5 | 1.5 | 2.5 | 0.95 | 0.06 | 0.00 | 0.00 | 0.00 |
| CFSM | 1.12 | 0.47 | 0.61 | 0.27 | 0.84 | 1.07 | 1.44 | 1.54 | 0.04 | 0.01 | 0.02 | 0.03 |
| IN. | 1.29 | 0.53 | 0.71 | 0.31 | 0.88 | 1.23 | 1.60 | 1.78 | 0.04 | 0.01 | 0.02 | 0.03 |
| e Estimated |
| STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 2002, BY WATER YEAR (WY) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MEAN | 5.002 | 6.314 | 6.725 | 7.344 | 9.231 | 13.47 | 13.66 | 10.29 | 9.250 | 6.330 | 4.176 | 4.291 |
| MAX | 41.8 | 25.6 | 28.0 | 24.1 | 23.3 | 44.4 | 40.7 | 31.5 | 33.8 | 26.1 | 16.5 | 23.3 |
| (WY) | 1955 | 1986 | 1983 | 1952 | 2001 | 1979 | 1950 | 1959 | 1993 | 1957 | 1990 | 1965 |
| MIN | 0.16 | 0.22 | 0.23 | 0.12 | 0.13 | 0.98 | 0.64 | 1.53 | 0.32 | 0.10 | 0.18 | 0.17 |
| (WY) | 1953 | 1954 | 1964 | 1963 | 1963 | 2000 | 1986 | 1958 | 2002 | 2002 | 2002 | 1999 |
| SUMMARY STATISTICS | FOR 2001 CALENDAR YEAR | FOR 2002 WATER YEAR | WATER YEARS 1948 - 2002 | |||
|---|---|---|---|---|---|---|
| ANNUAL TOTAL | 2465.61 | 2001.50 | ||||
| ANNUAL MEAN | 6.755 | 5.484 | 8.016 | |||
| HIGHEST ANNUAL MEAN | 14.0 | 1993 | ||||
| LOWEST ANNUAL MEAN | 2.22 | 1964 | ||||
| HIGHEST DAILY MEAN | 105 | Feb 9 | 86 | May 12 | 377 | May 11 1951 |
| LOWEST DAILY MEAN | 0.04 | Sep 4 | 0.00 | A | 0.00 | B |
| ANNUAL SEVEN-DAY MINIMUM | 0.09 | Jul 10 | 0.01 | Jul 19 | 0.00 | Sep 16 1949 |
| MAXIMUM PEAK FLOW | 116 | May 12 | 461 C | D | ||
| MAXIMUM PEAK STAGE | 7.88 | May 12 | 10.18 E | Oct 11 1954 | ||
| ANNUAL RUNOFF (CFSM) | 0.76 | 0.62 | 0.91 | |||
| ANNUAL RUNOFF (INCHES) | 10.38 | 8.42 | 12.32 | |||
| 10 PERCENT EXCEEDS | 22 | 19 | 17 | |||
| 50 PERCENT EXCEEDS | 1.8 | 1.6 | 4.0 | |||
| 90 PERCENT EXCEEDS | 0.15 | 0.05 | 0.40 | |||