Station list
Available data
ST. LAWRENCE RIVER BASIN
04087440 LAKE MICHIGAN AT CHICAGO LOCK AT CHICAGO, IL
LOCATION.--
Lat 41°53'18", long 87°36'27", in NE1/4 SE1/4 sec.10, T.39 N., R.14
E., Cook County, Hydrologic Unit 04060200, on the lakeside of the
downstream left guidewall, approximately 75 ft west of the riverside
gates of the Chicago Lock.
DRAINAGE AREA.--
Indeterminate.
PERIOD OF RECORD.--
STAGE:
August 1997 to current year.
GAGE.--
Water-stage recorder, phone telemeter, and rain gage. Datum of gage is
579.48 ft above sea level (Chicago City Datum).
REMARKS.--
Gage provides stage data to determine Illinois' diversion of Lake
Michigan water.
EXTREMES FOR PERIOD OF RECORD.--
STAGE:
Maximum gage height, 3.84 ft, May 31, 1998; minimum, -3.68 ft., Apr.
05, 2000.
EXTREMES FOR CURRENT YEAR.--
Maximum gage height, 0.70 ft, Dec. 26 and June 1; minimum, -3.68 ft,
Apr. 5.
GAGE HEIGHT, FEET, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAILY MEAN VALUES
|
|---|
| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP
|
|---|
|
|
| 1 | -.94 | --- | -2.32 | -1.70 | -1.72 | -1.43 | -1.59 | -1.39 | -1.02 | -1.11 | -.68 | -.85
|
| 2 | -.66 | -.93 | -1.68 | -1.54 | -2.06 | -1.59 | -1.58 | -1.38 | -1.00 | -1.02 | -.62 | -.74
|
| 3 | -1.21 | -1.19 | -1.51 | -1.29 | -1.57 | -1.59 | -1.48 | -1.33 | -1.06 | -.65 | -.70 | -.82
|
| 4 | -.73 | -1.49 | -1.22 | -1.28 | -1.35 | -1.58 | -1.62 | -1.51 | -.91 | -.77 | -.82 | -.54
|
| 5 | -.91 | -1.33 | -.95 | -2.15 | -1.80 | -1.43 | -2.21 | -1.52 | -.79 | -.69 | -1.23 | -.88
|
|
|
| 6 | -.78 | -1.18 | -1.28 | -2.20 | -1.89 | -1.31 | -1.64 | -1.64 | -1.05 | -.58 | -.89 | -1.08
|
| 7 | -1.91 | -1.10 | -1.97 | -2.07 | -1.67 | -1.43 | -1.19 | -1.53 | -1.12 | -.75 | -.96 | -1.13
|
| 8 | -1.40 | -1.25 | -1.45 | -2.25 | -1.95 | -1.73 | -1.36 | -1.56 | -1.17 | -.93 | -.92 | -1.04
|
| 9 | -.74 | -1.40 | -1.28 | -1.65 | -1.77 | -1.17 | -1.60 | -1.22 | -1.09 | -.95 | -.82 | -1.09
|
| 10 | -.68 | -.97 | -1.20 | -1.71 | -1.26 | -1.17 | -1.69 | -1.45 | -1.12 | -.75 | -.90 | -1.16
|
|
|
| 11 | -.92 | -.82 | -1.51 | -1.93 | -1.35 | -1.20 | -1.46 | -1.62 | -.88 | -.61 | -.77 | -1.32
|
| 12 | -1.78 | -1.13 | -1.31 | -1.81 | -1.68 | -1.48 | -1.55 | -1.18 | -.71 | -.77 | -.90 | -1.13
|
| 13 | -.86 | -1.28 | -1.25 | -1.47 | -1.35 | -1.52 | -1.70 | -1.53 | -.77 | -.84 | -.97 | -1.28
|
| 14 | -1.58 | -1.26 | -1.19 | -1.95 | -1.41 | -1.52 | -1.71 | -1.51 | -1.02 | -.83 | -.91 | -1.00
|
| 15 | -2.11 | -1.28 | -1.20 | -2.01 | -2.01 | -1.22 | -1.44 | -1.39 | -1.10 | -.77 | -.93 | -.92
|
|
|
| 16 | -1.02 | -1.07 | -1.46 | -1.65 | -1.53 | -1.26 | -1.18 | -1.29 | -1.17 | -.76 | -.93 | -1.15
|
| 17 | -.89 | -1.48 | -1.41 | -1.90 | -1.68 | -1.34 | -1.07 | -1.12 | -.94 | -.82 | -1.03 | -1.36
|
| 18 | -.68 | -1.77 | -1.34 | -1.67 | -1.44 | -1.78 | -1.43 | -.85 | -.96 | -.80 | -.77 | -1.32
|
| 19 | -.87 | -1.69 | -1.51 | -1.77 | -1.65 | -1.18 | -1.50 | -.82 | -1.04 | -.69 | -.93 | -1.52
|
| 20 | -.90 | -1.29 | -1.74 | -1.71 | -1.78 | -1.03 | -1.05 | -1.05 | -1.20 | -.83 | -.95 | -1.34
|
|
|
| 21 | -1.51 | -1.38 | -1.76 | -1.44 | -1.95 | -1.22 | -.91 | -1.14 | -1.09 | -.81 | -1.20 | -1.47
|
| 22 | -1.00 | -1.25 | -1.66 | -1.87 | -1.75 | -1.43 | -1.35 | -1.10 | -1.13 | -.73 | -1.03 | -1.62
|
| 23 | -1.33 | -1.64 | -1.70 | -1.84 | -1.65 | -1.40 | -1.34 | -1.05 | -.92 | -.75 | -.91 | -.89
|
| 24 | --- | -1.36 | -1.44 | -2.09 | -1.55 | -1.37 | -1.23 | -1.20 | -.81 | -.80 | -.95 | -1.06
|
| 25 | --- | -1.39 | -2.22 | -1.50 | -1.62 | -1.58 | -1.28 | -1.27 | -.96 | -.87 | -1.06 | -1.07
|
|
|
| 26 | --- | -1.31 | -1.67 | -1.35 | -2.01 | -1.98 | -1.39 | -1.08 | -.94 | -.91 | -1.06 | -1.37
|
| 27 | --- | -1.34 | -1.67 | -1.45 | -1.65 | -1.79 | -1.35 | -.83 | -.97 | -.83 | -.79 | -1.16
|
| 28 | --- | -1.55 | -1.68 | -1.64 | -1.64 | -1.46 | -1.32 | -.76 | -.94 | -.70 | -.98 | -1.22
|
| 29 | --- | -1.28 | -2.05 | -1.48 | -1.91 | -1.76 | -1.28 | -.98 | -.93 | -.63 | -.89 | -1.62
|
| 30 | --- | -1.27 | -1.67 | -1.45 | --- | -1.69 | -1.40 | -1.13 | -1.03 | -.58 | -.86 | -1.76
|
|
|
| 31 | --- | --- | -1.71 | -1.75 | --- | -1.67 | --- | -1.02 | --- | -.58 | -1.01 | ---
|
| MEAN | --- | --- | -1.55 | -1.73 | -1.68 | -1.46 | -1.43 | -1.24 | -.99 | -.78 | -.92 | -1.16
|
| MAX | --- | --- | -.95 | -1.28 | -1.26 | -1.03 | -.91 | -.76 | -.71 | -.58 | -.62 | -.54
|
| MIN | --- | --- | -2.32 | -2.25 | -2.06 | -1.98 | -2.21 | -1.64 | -1.20 | -1.11 | -1.23 | -1.76
|