05595200 DATA: Discharge Tables, 1999

Station list Available data
KASKASKIA RIVER BASIN

05595200 RICHLAND CREEK NEAR HECKER, IL

LOCATION.--Lat 38°19'26", long 89°58'15", in SW1/4SE1/4 sec.27 projected, T.2 S., R.8 W., St. Clair County, Hydrologic Unit 07140204, on left bank at downstream side of bridge on State Highway 156, 2 mi northeast of Hecker, 5 mi west of New Athens, and at mile 17.3.

DRAINAGE AREA.--129 mi².

PERIOD OF RECORD.--October 1969 to current year. October 1980 to September 1994 (8 a.m. gage heights).

REVISED RECORDS.--WDR IL-75-1: Drainage area.

GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 375.00 ft above sea level. June 28, 1976, to Nov. 9, 1978, nonrecording gage at same site and datum.

REMARKS.--Records good except those for Feb. 7 to Apr. 1 and July 2-13, which are fair, and those for estimated daily discharges, which are poor. Effluent from two sewage-treatment plants 13-16 mi upstream averaged about 13.4 ft³/s per day. Gage-height telemeter at station.

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	9.8	18	37	e14	967	122	60	54	95	228	72	11
2	9.5	210	30	e19	247	105	57	49	73	495	16	10
3	9.7	328	24	e31	150	115	336	46	39	64	14	9.4
4	10	52	24	e29	112	91	894	46	35	42	14	8.6
5	14	33	68	e25	89	92	221	541	112	34	13	8.8

6	73	27	38	e27	94	316	743	842	41	36	12	8.0
7	32	23	48	e30	4050	115	166	150	33	40	13	9.2
8	17	21	33	e28	1120	327	115	88	192	32	220	9.3
9	16	21	26	e26	286	1320	108	70	192	28	37	9.1
10	13	245	22	e25	203	285	84	61	54	43	20	8.4

11	11	83	21	e26	466	164	178	54	52	30	17	8.5
12	11	38	20	e30	518	128	83	82	140	24	15	8.8
13	11	30	34	411	185	109	71	409	1000	21	16	19
14	10	26	24	298	152	98	68	101	229	19	12	17
15	9.8	25	20	111	140	85	149	76	72	22	11	13

16	10	25	19	84	172	78	103	70	55	20	11	8.6
17	23	23	19	734	176	75	76	106	48	18	11	8.1
18	45	22	19	1800	132	68	67	125	44	18	11	7.6
19	36	22	22	447	120	65	62	66	41	18	11	10
20	22	31	22	339	108	63	57	53	40	17	10	12

21	16	28	40	293	100	63	73	48	38	24	9.9	11
22	14	24	32	598	94	60	61	47	35	19	9.7	8.7
23	12	23	25	582	99	759	50	43	37	16	9.9	8.3
24	11	22	20	243	125	203	50	44	111	15	12	7.8
25	13	22	19	129	108	111	48	38	55	15	11	7.4

26	12	24	18	96	94	89	70	36	51	14	10	7.8
27	11	22	20	88	202	77	153	33	96	14	9.7	8.1
28	11	20	22	79	282	74	139	31	52	15	9.2	8.8
29	12	21	e18	68	---	72	92	29	48	15	9.5	12
30	64	31	e16	67	---	65	64	30	43	14	9.7	11

31	29	---	e14	2460	---	63	---	50	---	14	12	---

TOTAL	597.8	1540	814	9237	10591	5457	4498	3518	3153	1424	668.6	295.3
MEAN	19.3	51.3	26.3	298	378	176	150	113	105	45.9	21.6	9.84
MAX	73	328	68	2460	4050	1320	894	842	1000	495	220	19
MIN	9.5	18	14	14	89	60	48	29	33	14	9.2	7.4
CFSM	.15	.40	.20	2.31	2.93	1.36	1.16	.88	.81	.36	.17	.08
IN.	.17	.44	.23	2.66	3.05	1.57	1.30	1.01	.91	.41	.19	.09

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1970 - 1999, BY WATER YEAR (WY)
MEAN	43.6	114	131	112	164	199	200	151	87.0	74.8	41.2	61.5
MAX	270	516	590	338	505	611	751	1306	227	322	271	471
(WY)	1987	1986	1983	1974	1982	1984	1994	1995	1998	1981	1998	1993
MIN	6.51	7.53	9.66	7.19	19.1	19.4	20.2	18.4	14.9	11.6	7.64	6.66
(WY)	1972	1972	1977	1977	1978	1981	1981	1988	1972	1970	1971	1976

SUMMARY STATISTICS	FOR 1998 CALENDAR YEAR		FOR 1999 WATER YEAR		WATER YEARS 1970 - 1999
ANNUAL TOTAL	51411.8		41793.7
ANNUAL MEAN	141		115		115
HIGHEST ANNUAL MEAN					198	1973
LOWEST ANNUAL MEAN					23.5	1976
HIGHEST DAILY MEAN	3270	Mar 20	4050	Feb 7	13300	May 17 1995
LOWEST DAILY MEAN	9.5	Oct 2	7.4	Sep 25	4.2	Oct 17 1976
ANNUAL SEVEN-DAY MINIMUM	10	Sep 28	8.1	Sep 22	4.8	Oct 12 1976
INSTANTANEOUS PEAK FLOW			7990	Feb 7	23400	Apr 29 1996
INSTANTANEOUS PEAK STAGE			41.50	Feb 7	44.4 A	Apr 29 1996
INSTANTANEOUS LOW FLOW			5.1	Sep 25
ANNUAL RUNOFF (CFSM)	1.09		.89		.89
ANNUAL RUNOFF (INCHES)	14.83		12.05		12.07
10 PERCENT EXCEEDS	267		224		194
50 PERCENT EXCEEDS	39		37		28
90 PERCENT EXCEEDS	14		10		9.0

A - From floodmark.