05595820 DATA: Discharge Tables, 2001

Station list Available data
BIG MUDDY RIVER BASIN

05595820 CASEY FORK AT MT. VERNON, IL

LOCATION.-- Lat 38°17'12", long 88°52'19", in NE1/4NE1/4 sec.9, T.3 S., R.3 E., Jefferson County, Hydrologic Unit 07140106, on left bank on upstream side of bridge on State Highway 142, 0.2 mi downstream from Sevenmile Creek, about 2 mi southeast of Mt. Vernon, and at mile 18.8.

DRAINAGE AREA.-- 76.9 mi².

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

DISCHARGE: October 1985 to current year.

STAGE: Water years 1995-2001. October 1985 to September 1994 (8 AM gage heights). Gage-height record for April 1965 to May 1971 available in files of U.S. Army Corps of Engineers.

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, phone telemeter, rain gage, and crest-stage gage. Datum of gage is 420.00 ft above sea level (levels by U.S. Army Corps of Engineers).

REMARKS.-- Sewage-treatment plant upstream at Mt. Vernon.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 16,100 ft³/s, May 17, 1990, gage height 17.03 ft; minimum daily discharge, 0.15 ft³/s, Sept 29, 1989.

EXTREMES OUTSIDE PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Flood of Apr. 4, 1968, reached a stage of 14.60 ft, from records of U.S. Army Corps of Engineers.

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor. Effluent from sewage-treatment plant upstream at Mt. Vernon averaged about 3.8 ft³/s.

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	2.9	e2.8	e11	11	80	53	24	6.2	29	3.6	3.4	4.0
2	2.9	e3.0	e10	10	48	47	19	6.2	12	3.3	3.4	3.7
3	2.7	e3.0	e9.5	9.8	31	39	451	6.2	7.0	3.2	3.8	3.7
4	2.6	e3.0	e9.0	11	30	35	161	5.6	23	3.9	3.4	4.8
5	2.7	e3.1	e9.0	12	28	29	77	5.1	80	3.3	3.3	7.2

6	3.0	17	e8.5	15	24	24	56	5.3	129	3.2	3.2	3.7
7	2.8	13	7.8	19	21	22	44	6.2	20	3.3	3.0	3.4
8	2.8	4.4	7.6	23	25	21	34	6.2	11	3.1	3.0	5.8
9	2.8	15	7.1	20	645	20	28	5.8	7.7	487	3.0	11
10	3.0	34	6.4	15	1080	18	28	5.4	5.7	265	3.5	4.3

11	2.9	10	57	14	139	17	27	5.3	4.8	24	3.1	3.5
12	2.8	4.3	148	14	83	19	26	4.7	4.9	13	2.9	3.2
13	2.8	13	31	21	67	25	18	4.4	3.9	8.7	3.0	3.1
14	3.1	25	31	207	229	20	15	4.6	3.7	6.8	3.1	3.1
15	4.7	e11	28	406	662	18	31	4.8	9.6	5.3	3.0	3.0

16	6.8	e8.0	29	158	411	58	20	4.5	12	4.6	3.0	2.9
17	7.8	e6.0	39	78	126	40	15	4.5	5.2	4.3	3.0	2.9
18	3.9	e5.0	38	e55	71	26	13	5.5	3.8	5.2	27	5.3
19	3.3	e4.5	28	e40	60	23	12	14	3.3	5.7	185	11
20	e3.1	e4.1	21	e30	52	21	13	6.5	3.1	4.7	13	4.2

21	e2.9	e3.7	e17	e20	41	20	12	16	21	4.1	6.1	3.4
22	e2.7	e3.3	e13	e18	36	18	11	10	27	13	4.3	3.2
23	e2.8	e3.0	e11	e16	34	17	10	7.8	10	11	3.9	3.1
24	e2.9	e4.0	e10	e15	44	16	9.5	6.1	5.6	4.4	5.3	3.2
25	e3.0	121	e9.0	e14	954	15	8.8	5.6	4.2	3.9	58	3.1

26	e3.1	164	e8.5	e13	200	13	8.3	5.4	3.6	3.7	40	2.9
27	e3.2	49	e9.5	e14	89	13	8.3	4.6	3.2	3.7	13	2.9
28	e3.1	26	12	e13	68	12	7.7	4.2	4.7	3.5	7.1	2.9
29	e3.1	e18	12	e50	---	13	6.8	4.3	5.0	3.4	5.2	2.9
30	e2.9	e13	11	485	---	16	6.6	5.0	3.9	3.4	4.6	3.0

31	e2.6	---	11	201	---	19	---	17	---	3.4	4.4	---

TOTAL	101.7	594.2	659.9	2027.8	5378	747	1201.0	203.0	466.9	918.7	431.0	124.4
MEAN	3.28	19.8	21.3	65.4	192	24.1	40.0	6.55	15.6	29.6	13.9	4.15
MAX	7.8	164	148	485	1080	58	451	17	129	487	185	11
MIN	2.6	2.8	6.4	9.8	21	12	6.6	4.2	3.1	3.1	2.9	2.9
CFSM	.04	.26	.28	.85	2.50	.31	.52	.09	.20	.39	.18	.05
IN.	.05	.29	.32	.98	2.60	.36	.58	.10	.23	.44	.21	.06

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 2001, BY WATER YEAR (WY)
MEAN	7.44	91.2	55.3	115	131	135	176	127	54.0	26.0	8.39	16.8
MAX	27.2	542	233	327	383	456	540	809	279	101	28.6	155
(WY)	1994	1994	1991	1993	1986	1989	1996	1995	2000	1993	2000	1993
MIN	2.86	3.16	4.51	4.75	10.4	24.1	40.0	4.46	2.98	2.71	1.65	2.06
(WY)	1996	2000	1990	2000	1996	2001	2001	1988	1991	1991	1990	1995

SUMMARY STATISTICS	FOR 2000 CALENDAR YEAR		FOR 2001 WATER YEAR		WATER YEARS 1986 - 2001
ANNUAL TOTAL	18641.1		12853.6
ANNUAL MEAN	50.9		35.2		78.1
HIGHEST ANNUAL MEAN					123	1994
LOWEST ANNUAL MEAN					21.3	1987
HIGHEST DAILY MEAN	2920	Jun 24	1080	Feb 10	9940	May 18 1995
LOWEST DAILY MEAN	2.6	A	2.6	B	.15	Sep 29 1989
ANNUAL SEVEN-DAY MINIMUM	2.8	Oct 3	2.8	Oct 3	.38	Dec 11 1989
MAXIMUM PEAK FLOW			1760	Feb 10	16100	May 17 1990
MAXIMUM PEAK STAGE			11.60	Feb 10	17.03	May 17 1990
INSTANTANEOUS LOW FLOW			1.9 C	Oct 3,27
ANNUAL RUNOFF (CFSM)	.66		.46		1.02
ANNUAL RUNOFF (INCHES)	9.02		6.22		13.80
10 PERCENT EXCEEDS	70		56		112
50 PERCENT EXCEEDS	9.5		9.0		11
90 PERCENT EXCEEDS	3.0		3.0		2.9

	A - Sept. 9, 17, Oct. 4, 31 (estimated), but may have been less during periods of estimated discharges in Oct. and Nov.
	B - Oct. 4, 31 (estimated), but may have been less during periods of estimated discharges in Oct. and Nov.
	C - May have been less during periods of estimated discharges in Oct. and Nov.