03612000 DATA: Discharge Tables, 2000

Station list Available data
CACHE RIVER BASIN

03612000 CACHE RIVER AT FORMAN, IL

LOCATION.-- Lat 37°20'11", long 88°55'26", in NE1/4NW1/4 sec.6, T.14 S., R.3 E., Johnson County, Hydrologic Unit 05140206, at downstream side of bridge on County Highway 3, 1.2 mi southwest of Forman, and at mile 8.1.

DRAINAGE AREA.-- 244 mi².

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

DISCHARGE: October 1922 to July 1924, September 1924 to current year.

STAGE: Water years 1994-2000.

SURFACE-WATER QUALITY

CHEMICAL: Water years 1978-91.

REVISED RECORDS.-- WSP 623: 1923-24. WSP 823: 1934-35. WSP 1205: 1923-24, 1927-30. WSP 1335: 1923(M), 1925, 1926-27(M), 1928, 1929-30(M), 1931, 1933, 1934-36(M), 1937-39. WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder, phone telemeter, rain gage, and crest-stage gage. Datum of gage is 308.47 ft. above sea level. Dec. 30, 1971 to Sept. 30, 1997, recording gage at same site at datum 10.0 ft. higher. Oct. 1, 1958, to Dec. 30, 1971, nonrecording gage at same site and datum 10.0 ft. higher. See WSP 1705 or 1725 for history of changes prior to Sept. 30, 1958.

REMARKS.-- Flow of lower part of Cache River Basin was diverted from Ohio River to Mississippi River beginning Oct. 31, 1950, through diversion channel of Mounds-Mound City flood-protection project. Flow of upper part of Cache River Basin, including flow past this station, continued to discharge to Ohio River, passing through Post Creek cutoff directly to Ohio River instead of through the original channel of Cache River.

REMARKS FOR CURRENT YEAR.-- Records fair except those for periods of backwater from the Ohio River, Feb. 21 to Mar. 2, Mar. 25, and Apr. 8-17, and those for estimated daily discharges, which are poor.

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	.90	1.4	3.5	6.5	e14	e714	103	64	584	78	89	6.1
2	.78	1.7	2.2	6.8	e15	e578	90	50	384	59	86	5.1
3	.77	1.5	1.6	1660	e16	431	82	42	274	48	39	4.2
4	.78	1.5	1.6	2700	18	297	74	37	271	39	21	3.7
5	.75	1.4	2.3	2100	17	200	64	35	165	31	15	3.3

6	.72	1.2	3.2	1390	17	140	56	37	102	26	11	2.9
7	.62	1.2	3.7	1330	17	105	50	58	72	23	8.9	2.5
8	.67	1.1	5.3	1050	20	85	e42	64	54	21	7.8	2.6
9	5.7	1.2	9.1	755	19	72	e38	53	43	19	8.0	3.2
10	11	.93	45	513	17	61	e34	80	34	16	10	3.6

11	5.8	.79	202	343	16	56	e32	145	29	13	9.5	4.1
12	7.8	.69	210	228	17	56	e30	95	33	11	7.8	5.5
13	13	.78	234	158	33	52	e31	136	31	10	6.5	5.2
14	9.1	.72	489	106	149	51	e31	148	23	9.0	5.8	13
15	5.3	.60	423	75	243	48	e30	78	21	8.7	4.8	17

16	3.6	.57	278	59	153	230	e29	50	22	8.0	4.0	10
17	3.1	.61	123	48	98	433	e33	36	358	7.4	3.2	7.2
18	2.9	.66	68	43	1060	315	36	29	1120	6.8	3.0	4.9
19	2.5	.71	44	39	1760	283	39	24	890	7.8	2.7	3.5
20	2.1	.82	32	36	979	2090	39	23	759	15	2.9	2.6

21	2.2	.76	24	32	e837	1630	34	23	839	12	2.7	2.4
22	2.0	.74	17	32	e850	1060	32	25	854	11	2.7	2.0
23	1.7	.69	15	32	e706	1030	29	587	721	11	2.8	1.9
24	1.7	.78	13	30	e889	898	29	2320	503	9.0	3.0	2.1
25	1.8	.91	11	27	e535	e629	59	1500	328	7.2	3.4	5.6

26	1.8	1.2	11	e25	e649	451	139	1330	216	6.3	5.3	25
27	1.7	1.5	9.7	e22	e1720	327	124	1750	156	5.6	6.8	32
28	1.6	1.6	9.2	e19	e949	256	118	1520	200	5.1	5.8	22
29	1.4	1.8	8.4	e17	e747	203	107	1230	166	9.7	6.8	13
30	1.5	4.4	7.0	e16	---	158	89	1070	108	15	7.1	8.3

31	1.5	---	7.1	e15	---	125	---	848	---	68	6.1	---

TOTAL	96.79	34.46	2312.9	12913.3	12560	13064	1723	13487	9360	616.6	398.4	224.5
MEAN	3.12	1.15	74.6	417	433	421	57.4	435	312	19.9	12.9	7.48
MAX	13	4.4	489	2700	1760	2090	139	2320	1120	78	89	32
MIN	.62	.57	1.6	6.5	14	48	29	23	21	5.1	2.7	1.9
CFSM	.01	.00	.31	1.71	1.78	1.73	.24	1.78	1.28	.08	.05	.03
IN.	.01	.01	.35	1.97	1.91	1.99	.26	2.06	1.43	.09	.06	.03

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1923 - 2000, BY WATER YEAR (WY)
MEAN	53.5	190	321	498	491	598	568	415	218	88.6	73.1	56.4
MAX	487	1097	2192	3039	1813	2268	2244	1847	1759	1257	826	542
(WY)	1928	1958	1983	1950	1950	1945	1927	1983	1928	1958	1985	1950
MIN	.019	.66	.58	1.38	7.05	12.4	40.7	10.4	1.37	1.71	.000	.43
(WY)	1964	1954	1964	1977	1934	1941	1981	1930	1936	1931	1930	1953

SUMMARY STATISTICS	FOR 1999 CALENDAR YEAR		FOR 2000 WATER YEAR		WATER YEARS 1923 - 2000
ANNUAL TOTAL	88045.49		66790.95
ANNUAL MEAN	241		182		295
HIGHEST ANNUAL MEAN					779	1950
LOWEST ANNUAL MEAN					37.5	1941
HIGHEST DAILY MEAN	4130 A	Jan 24	2700	Jan 4	8780	Jan 26 1929
LOWEST DAILY MEAN	.22	Sep 17	.57	Nov 16	.00	B
ANNUAL SEVEN-DAY MINIMUM	.31	Sep 12	.66	Nov 12	.00	Jul 29 1930
INSTANTANEOUS PEAK FLOW			2820	Jan 3	9630	Mar 12 1935
INSTANTANEOUS PEAK STAGE			24.54	Jan 3	42.29 C	Mar 12 1935
INSTANTANEOUS LOW FLOW			.50	Nov 16
ANNUAL RUNOFF (CFSM)	.99		.75		1.21
ANNUAL RUNOFF (INCHES)	13.42		10.18		16.45
10 PERCENT EXCEEDS	603		708		848
50 PERCENT EXCEEDS	40		23		55
90 PERCENT EXCEEDS	.76		1.5		1.8

A - Variable backwater.
B - At times in some years.
C - Site then in use, from graph based on gage readings.