Station list
Available data
ILLINOIS RIVER BASIN
05547350 GRASS LAKE OUTLET AT LOTUS WOODS, IL
LOCATION.--Lat 42°25'33", long 88°09'53", in SW1/4SW1/4 sec.34, T.46 N., R.9 E., Lake County, Hydrologic
Unit 07120006, on right bank at downstream side of bridge on Grass Lake Road in Lotus Woods, 10.8 mi upstream from Stratton Lock and
Dam, and at river mile 108.5.
DRAINAGE AREA.--919 mi2.
PERIOD OF RECORD.--December 1974 to July 1975 (discharge measurements only). December 1997 to September 1998.
GAGE.--Water-stage recorder and acoustical-velocity meter. Datum of gage is 733.00 ft above sea level (levels by Illinois Department of Transportation).
REMARKS.--Records poor. Stage regulated by Stratton Lock and Dam, 5.5 mi downstream from station (previously known as McHenry Dam). Gage-height telemeter at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum gage height 5.12 ft, April 19, 1998, discharge not determined.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DAILY MEAN VALUES
|
---|
DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP
|
---|
|
1 | --- | --- | e560 | e400 | e620 | e1030 | e1300 | e930 | e620 | e1000 | e250 | e360
|
2 | --- | --- | e610 | e540 | e700 | e1030 | e1400 | e940 | e620 | e860 | e235 | e360
|
3 | --- | --- | e620 | e600 | e980 | e1030 | e1370 | e930 | e580 | e700 | e230 | e280
|
4 | --- | --- | e630 | e700 | e1050 | e960 | e1350 | e880 | e520 | e760 | e270 | e270
|
5 | --- | --- | e640 | e900 | e970 | e900 | e1300 | e800 | e410 | e730 | e500 | e290
|
|
6 | --- | --- | e610 | e990 | e960 | e870 | e1250 | e780 | e380 | e680 | e1250 | e290
|
7 | --- | --- | e600 | e860 | e940 | e820 | e1200 | e1000 | e420 | e560 | e1200 | e340
|
8 | --- | --- | e590 | e1200 | e900 | e920 | e1180 | e1400 | e410 | e590 | e1100 | e410
|
9 | --- | --- | e570 | e1100 | e860 | e1100 | e1400 | e1500 | e420 | e610 | e920 | e360
|
10 | --- | --- | e520 | e800 | e760 | e1000 | e1600 | e1450 | e430 | e600 | e970 | e340
|
|
11 | --- | --- | e500 | e730 | e930 | e720 | e1600 | e1320 | e450 | e480 | e1000 | e250
|
12 | --- | --- | e500 | e690 | e1300 | e690 | e1200 | e1250 | e550 | e450 | e960 | e235
|
13 | --- | --- | e500 | e670 | e1550 | e750 | e1100 | e1140 | e660 | e430 | e960 | e250
|
14 | --- | --- | e500 | e660 | e1450 | e850 | e1200 | e1030 | e610 | e390 | e980 | e290
|
15 | --- | --- | e490 | e660 | e1350 | e900 | e1300 | e920 | e590 | e350 | e940 | e440
|
|
16 | --- | --- | e500 | e660 | e1350 | e820 | e1400 | e820 | e560 | e340 | e860 | e520
|
17 | --- | --- | e500 | e670 | e1380 | e680 | e1520 | e700 | e490 | e330 | e750 | e470
|
18 | --- | --- | e500 | e670 | e1400 | e840 | e1500 | e600 | e400 | e320 | e620 | e430
|
19 | --- | --- | e490 | e660 | e1350 | e1100 | e1380 | e540 | e520 | e310 | e520 | e350
|
20 | --- | --- | e490 | e650 | e1300 | e1220 | e1280 | e560 | e650 | e300 | e410 | e330
|
|
21 | --- | --- | e510 | e630 | e1200 | e1150 | e1320 | e660 | e540 | e320 | e270 | e300
|
22 | --- | --- | e500 | e620 | e1180 | e1080 | e1400 | e600 | e490 | e370 | e320 | e300
|
23 | --- | --- | e500 | e610 | e1150 | e1050 | e1400 | e520 | e400 | e390 | e320 | e280
|
24 | --- | --- | e500 | e600 | e1150 | e1050 | e1300 | e430 | e340 | e410 | e320 | e260
|
25 | --- | --- | e490 | e580 | e1100 | e1030 | e1200 | e470 | e360 | e400 | e470 | e260
|
|
26 | --- | --- | e500 | e570 | e1050 | e900 | e1150 | e510 | e600 | e360 | e610 | e250
|
27 | --- | --- | e480 | e560 | e950 | e740 | e1170 | e520 | e760 | e290 | e380 | e260
|
28 | --- | --- | e400 | e550 | e980 | e720 | e1050 | e440 | e1000 | e240 | e390 | e260
|
29 | --- | --- | e530 | e560 | --- | e720 | e970 | e530 | e1120 | e240 | e370 | e260
|
30 | --- | --- | e450 | e580 | --- | e730 | e920 | e570 | e1080 | e250 | e350 | e260
|
|
31 | --- | --- | e380 | e590 | --- | e1000 | --- | e620 | --- | e260 | e350 | ---
|
TOTAL | --- | --- | 16160 | 21260 | 30860 | 28400 | 38710 | 25360 | 16980 | 14320 | 19075 | 9555
|
MEAN | --- | --- | 521 | 686 | 1102 | 916 | 1290 | 818 | 566 | 462 | 615 | 318
|
MAX | --- | --- | 640 | 1200 | 1550 | 1220 | 1600 | 1500 | 1120 | 1000 | 1250 | 520
|
MIN | --- | --- | 380 | 400 | 620 | 680 | 920 | 430 | 340 | 240 | 230 | 235
|
CFSM | --- | --- | .57 | .75 | 1.20 | 1.00 | 1.40 | .89 | .62 | .50 | .67 | .35
|
IN. | --- | --- | .65 | .86 | 1.25 | 1.15 | 1.57 | 1.03 | .69 | .58 | .77 | .39
|
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1998 - 1998, BY WATER YEAR (WY)
|
---|
MEAN | --- | --- | 521 | 686 | 1102 | 916 | 1290 | 818 | 566 | 462 | 615 | 318
|
MAX | --- | --- | 521 | 686 | 1102 | 916 | 1290 | 818 | 566 | 462 | 615 | 318
|
(WY) | --- | --- | 1998 | 1998 | 1998 | 1998 | 1998 | 1998 | 1998 | 1998 | 1998 | 1998
|
MIN | --- | --- | 521 | 686 | 1102 | 916 | 1290 | 818 | 566 | 462 | 615 | 318
|
(WY) | --- | --- | 1998 | 1998 | 1998 | 1998 | 1998 | 1998 | 1998 | 1998 | 1998 | 1998
|