03612000 DATA: Discharge Tables, 2005

CACHE RIVER BASIN

03612000 CACHE RIVER AT FORMAN, IL


LOCATION.-- Lat 37°20'11", long 88°55'26" (NAD of 1927), 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 to current year.
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, and crest-stage gage. Datum of gage is 308.47 ft. above NGVD of 1929 (308.36 ft NAVD 1988). 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.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 9,630 ft³/s, March 12, 1935, gage height, 42.29 ft, site then in use, from graph based on gage readings; no flow at times in some years.

REMARKS FOR CURRENT YEAR.-- Records good except those for periods of backwater from the Ohio River, Nov. 30 to Dec. 22, Jan. 6 to Feb. 2, Feb. 16 to Mar. 4, and Apr. 2-15, which are poor.

Discharge, cubic feet per second, WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	1.0	37	e1410	1220	e113	e93	1690	542	17	4.8	6.0	24
2	1.1	1750	e889	1610	e106	e113	e1290	321	17	3.7	5.5	17
3	1.0	819	e748	2060	140	e98	e1040	194	16	3.2	6.2	17
4	1.0	466	e495	2100	164	e86	e775	134	15	4.3	5.2	16
5	0.78	189	e280	2770	156	87	e541	100	15	9.5	3.7	14

6	0.62	93	e739	e3540	130	77	e378	80	13	74	3.1	12
7	0.69	64	e2300	e3480	593	72	e309	68	12	47	3.5	11
8	0.71	48	e1980	e3020	1500	69	e276	58	11	21	17	10
9	0.61	37	e1120	e2360	953	64	e198	53	9.2	12	6.9	8.5
10	0.63	31	e961	e1630	754	60	e136	57	8.3	8.0	8.8	7.3

11	0.55	40	e756	e1120	540	56	e101	53	9.1	8.8	9.7	6.8
12	0.57	227	e504	e734	355	54	e161	51	96	120	6.6	6.4
13	0.58	264	e332	e1930	629	51	e373	47	101	356	5.3	6.1
14	2.5	140	e274	e2350	974	47	e310	1160	90	215	4.6	5.9
15	18	81	e229	e1340	811	43	e237	1130	56	95	5.4	7.3

16	12	55	e175	e1180	e595	39	180	741	33	118	143	11
17	7.5	43	e149	e1090	e370	38	135	597	23	148	244	9.2
18	6.8	36	e126	e936	e239	39	109	337	17	229	104	7.5
19	11	54	e84	e735	e174	38	91	198	13	110	57	4.9
20	6.9	85	e56	e570	e147	37	78	149	11	97	85	5.0

21	4.7	124	e51	e443	e180	34	70	128	8.6	78	101	5.8
22	3.1	87	e72	e425	e185	52	73	122	7.2	42	25	5.6
23	2.4	69	123	e234	e145	227	129	87	5.9	27	17	4.7
24	2.2	75	159	e223	e119	292	139	64	5.3	19	14	3.8
25	1.9	178	126	e207	e103	232	112	51	5.4	14	13	4.9

26	3.0	328	105	e178	e97	175	103	41	5.5	10	14	34
27	4.6	320	101	e137	e88	277	199	34	5.2	8.8	28	18
28	54	747	102	e162	e87	2790	214	29	4.5	10	20	22
29	66	566	206	e91	---	2900	341	25	4.3	9.2	28	15
30	29	e1250	939	e92	---	2240	881	22	4.8	8.1	120	9.6

31	19	---	1670	e105	---	2200	---	19	---	6.7	58	---

TOTAL	264.44	8303	17261	38072	10447	12680	10669	6692	639.3	1917.1	1168.5	330.3
MEAN	8.53	277	557	1228	373	409	356	216	21.3	61.8	37.7	11.0
MAX	66	1750	2300	3540	1500	2900	1690	1160	101	356	244	34
MIN	0.55	31	51	91	87	34	70	19	4.3	3.2	3.1	3.8
CFSM	0.03	1.13	2.28	5.03	1.53	1.68	1.46	0.88	0.09	0.25	0.15	0.05
IN.	0.04	1.27	2.63	5.80	1.59	1.93	1.63	1.02	0.10	0.29	0.18	0.05

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1923 - 2005, BY WATER YEAR (WY)
MEAN	54.1	192	337	502	490	592	559	429	216	85.7	70.6	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	0.02	0.66	0.58	1.38	7.05	12.4	40.7	10.4	1.37	1.71	0.00	0.43
(WY)	1964	1954	1964	1977	1934	1941	1981	1930	1936	1931	1930	1953

SUMMARY STATISTICS	FOR 2004 CALENDAR YEAR		FOR 2005 WATER YEAR		WATER YEARS 1923 - 2005
ANNUAL TOTAL	91128.04		108443.64
ANNUAL MEAN	249		297		297
HIGHEST ANNUAL MEAN					779	1950
LOWEST ANNUAL MEAN					37.5	1941
HIGHEST DAILY MEAN	2300 A	Dec 7	3540 A	Jan 6	8780	Jan 26 1929
LOWEST DAILY MEAN	0.55	Oct 11	0.55	Oct 11	0.00	B
ANNUAL SEVEN-DAY MINIMUM	0.62	Oct 7	0.62	Oct 7	0.00	Jul 29 1930
MAXIMUM PEAK FLOW			3710 A	Jan 7	9630	Mar 12 1935
MAXIMUM PEAK STAGE			25.82	Jan 7	42.29 C	Mar 12 1935
INSTANTANEOUS LOW FLOW			0.19	Oct 11
ANNUAL RUNOFF (CFSM)	1.02		1.22		1.22
ANNUAL RUNOFF (INCHES)	13.89		16.53		16.52
10 PERCENT EXCEEDS	784		945		850
50 PERCENT EXCEEDS	76		77		53
90 PERCENT EXCEEDS	2.3		5.0		1.9

	A - Estimated, affected by backwater from the Ohio River.
	B - At times in some years.
	C - Site then in use, from graph based on gage readings.

Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data