05587060 DATA: Stage Tables, 2000

Station list Available data
ILLINOIS RIVER BASIN

05587060 ILLINOIS RIVER AT HARDIN, IL

LOCATION.-- Lat 39°09'37", long 90°36'55", in NW1/4NW1/4 sec.26, T.10 S., R.2 W., Calhoun County, Hydrologic Unit 07130011, on right bank at downstream side of State Highways 16 and 100 bridge at north edge of Hardin, 1.6 mi downstream from Macoupin Creek and at mile 21.5.

DRAINAGE AREA.-- 28,690 mi², does not include diversion from Lake Michigan through the Chicago Sanitary and Ship Canal, which has occurred since Jan. 17, 1900.

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE

STAGE: October 1986 to current year. Gage-height record for February 1932 to Sept. 30, 1986, available in files of U.S. Army Corps of Engineers. Partial gage-height records from 1878 through 1880 available in files of U.S. Army Corps of Engineers.

PARTIAL RECORD: Miscellaneous discharge measurements, water years 1997-98.

SURFACE-WATER QUALITY

CHEMICAL: Water years 1978-91.

WATER TEMPERATURE: Water years 1973-77.

MISCELLANEOUS: Contaminants in streambed sediments, October 1996; contaminants in fish tissue, October 1996.

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter and rain gage, and crest-stage gage. Datum of gage is 400.00 ft above sea level (levels by U.S. Army Corps of Engineers).

EXTREMES FOR PERIOD OF RECORD.--
STAGE: Maximum gage height, 42.40 ft, Aug. 3, 1993; minimum, 18.06 ft, Dec. 22, 1989.

EXTREMES OUTSIDE PERIOD OF RECORD.--
STAGE: Maximum gage height, 38.2 ft Apr. 29, 1973; minimum observed, 7.33 ft, Oct. 7, 1879, from records of U.S. Army Corps of Engineers.

EXTREMES FOR CURRENT YEAR.-- Maximum gage height, 26.44 ft, June 28; minimum, 18.81 ft, Jan. 25.

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	19.78	19.21	19.50	19.33	19.19	20.26	19.68	20.77	20.17	25.26	19.66	19.29
2	19.55	18.99	19.34	19.41	19.20	20.05	19.47	20.70	20.54	24.57	19.61	19.21
3	19.47	19.19	19.41	19.25	19.24	20.15	19.49	20.77	20.63	24.08	19.75	19.16
4	19.42	19.21	19.28	19.14	18.99	19.98	19.30	20.54	20.54	23.69	19.91	19.15
5	19.45	19.25	19.40	19.25	19.12	20.01	19.60	20.37	20.76	23.44	19.89	19.10

6	19.47	19.20	19.47	19.37	19.26	19.98	19.45	20.26	20.99	23.40	19.63	19.21
7	19.44	19.20	19.81	19.12	19.19	19.95	19.44	20.19	21.04	23.49	19.53	19.17
8	19.42	19.10	19.67	19.21	19.28	19.82	19.34	19.80	21.05	23.49	19.83	19.09
9	19.13	19.12	19.47	19.25	19.20	19.59	19.44	19.77	21.13	23.27	19.83	19.15
10	19.23	19.19	19.41	19.18	19.15	19.59	19.37	19.77	21.17	22.59	19.84	19.19

11	19.34	19.11	19.57	19.10	19.10	19.75	19.40	20.03	21.26	22.00	19.87	19.21
12	19.35	19.34	19.55	19.40	19.31	19.85	19.43	20.03	21.40	22.13	19.69	19.10
13	19.37	19.13	19.29	19.35	19.23	19.68	19.66	19.93	21.28	22.05	19.60	19.29
14	19.43	19.17	19.22	19.38	19.23	19.53	19.43	20.04	21.12	21.94	19.27	19.46
15	19.38	19.19	19.23	19.35	19.28	19.48	19.29	20.14	21.09	22.14	19.18	19.55

16	19.16	19.29	19.33	19.08	19.16	19.60	19.31	20.14	21.25	22.31	19.22	19.65
17	19.07	19.22	19.31	19.25	19.41	19.79	19.35	20.13	21.63	22.38	19.36	19.70
18	19.23	19.39	19.26	19.16	19.37	19.97	19.56	20.24	22.08	22.50	19.38	19.69
19	19.19	19.23	19.33	19.15	19.26	19.65	19.80	20.11	22.43	23.19	19.40	19.57
20	19.23	19.12	19.11	19.03	19.31	19.60	19.59	20.01	22.75	22.76	19.48	19.38

21	19.22	19.40	18.98	19.12	19.30	19.65	19.65	20.17	23.82	22.22	19.43	19.37
22	19.06	19.35	19.01	19.23	19.21	19.77	20.14	20.36	23.57	21.95	19.30	19.51
23	19.17	19.15	19.08	19.00	19.33	19.83	20.40	20.40	23.06	21.65	19.35	19.28
24	19.15	19.25	19.15	19.05	19.33	19.73	20.16	20.55	24.25	21.40	19.62	19.24
25	19.23	19.31	19.14	18.95	19.50	19.59	20.15	20.79	24.94	20.92	19.74	19.39

26	19.19	19.18	19.06	19.05	19.93	19.54	20.35	20.85	25.53	20.50	19.53	19.60
27	19.27	19.35	19.12	19.23	20.03	19.61	20.58	21.24	26.11	19.88	19.30	19.74
28	19.14	19.32	19.05	19.28	20.30	19.37	20.66	21.18	26.39	19.81	19.27	19.46
29	19.25	19.42	19.15	19.33	20.50	19.60	20.73	20.73	26.19	19.80	19.10	19.44
30	19.28	19.31	19.27	19.26	---	19.71	20.86	20.59	25.83	19.61	19.02	19.42

31	19.17	---	19.30	19.26	---	19.61	---	20.44	---	19.76	19.26	---

MEAN	19.30	19.23	19.30	19.21	19.38	19.75	19.77	20.36	22.47	22.20	19.51	19.36
MAX	19.78	19.42	19.81	19.41	20.50	20.26	20.86	21.24	26.39	25.26	19.91	19.74
MIN	19.06	18.99	18.98	18.95	18.99	19.37	19.29	19.77	20.17	19.61	19.02	19.09

CAL YR 1999	MEAN 21.65	MAX 29.68	MIN 18.98
WTR YR 2000	MEAN 19.99	MAX 26.39	MIN 18.95