03378000 DATA: Discharge Tables, 1999

Station list Available data
WABASH RIVER BASIN

03378000 BONPAS CREEK AT BROWNS, IL

LOCATION.--Lat 38°23'11", long 87°58'32", in NW1/4SE1/4 sec.33, T.1 S., R.14 W., Edwards County, Hydrologic Unit 05120113, on right bank at downstream side of bridge on State Highway 15, 0.5 mi north of Browns, 0.7 mi upstream from railroad bridge, and at mile 14.6.

DRAINAGE AREA.--228 mi².

PERIOD OF RECORD.--October 1940 to current year.

GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 372.92 ft above sea level. Prior to Dec. 11, 1968, water-stage recorder and concrete dam at site 0.4 mi downstream at datum 2.0 ft higher. Dec. 11, 1968, to Aug. 13, 1969, nonrecording gage at site 0.5 mi downstream at datum 1.0 ft lower. Prior to Oct. 1, 1982, auxiliary nonrecording gage near mouth on Wabash River at Grayville read twice daily.

REMARKS.--Records fair except those for periods of backwater from the Wabash River, Jan. 29-31, Feb. 5-6, 13-21, and those for estimated daily discharges, which are poor. 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	.79	e7.0	24	e25	1580	804	63	130	10	588	1.5	.00
2	.76	e15	31	e250	1630	681	61	74	484	1690	1.0	.00
3	.66	e70	30	e550	1510	243	750	55	671	2240	.76	.00
4	.52	194	26	e400	1210	108	2280	44	505	2550	.63	.00
5	.41	86	22	e230	e545	88	2360	117	712	2240	.57	.00

6	48	37	22	e120	e117	1080	2590	534	774	1760	.48	.00
7	628	21	367	e80	1460	1080	2220	443	415	1310	.42	.00
8	732	16	307	e60	1890	1100	1780	111	61	615	.61	.00
9	682	13	114	e54	2010	1420	1370	57	32	74	.70	.00
10	267	146	59	e46	1650	1410	733	42	23	289	.52	.00

11	43	432	41	e40	1220	1300	194	34	29	168	.43	.00
12	19	227	34	e130	1110	1040	120	29	17	44	.43	.00
13	11	73	31	e900	e735	473	82	61	65	22	.39	.00
14	7.3	42	29	e1100	e253	148	68	56	762	17	.28	.00
15	4.9	33	25	e1000	e168	145	155	36	697	12	.20	.00

16	3.5	25	22	e1000	e207	611	273	27	238	9.6	.15	.00
17	4.1	22	20	1150	e200	890	145	23	39	7.5	.16	.00
18	11	18	18	1450	e148	363	100	116	21	19	.17	.00
19	128	16	e15	1430	e86	141	83	62	15	11	.14	.00
20	92	17	e13	1400	e45	104	71	28	11	5.5	.09	.00

21	31	20	e230	1460	e46	89	65	20	9.2	4.2	.04	.00
22	16	20	907	3630	47	72	58	17	7.2	3.4	.03	.00
23	9.1	18	763	4750	47	733	49	17	5.5	2.8	.00	.00
24	6.9	16	411	4560	63	886	44	37	10	107	.05	.00
25	5.2	15	e80	3870	99	547	33	23	42	37	.04	.00

26	4.5	37	e55	3100	87	170	41	15	26	15	.03	.00
27	e4.0	50	e45	2140	292	104	142	10	29	6.9	.00	.00
28	e3.5	38	e47	1490	947	84	876	8.2	21	4.3	.00	.00
29	e3.0	28	e55	e857	---	71	857	6.9	23	3.0	.00	.00
30	e5.0	23	e40	e336	---	62	481	6.0	22	2.5	.00	.00

31	e8.0	---	e30	e1010	---	57	---	7.0	---	2.0	.00	---

TOTAL	2780.14	1775.0	3913	38618	19402	16104	18144	2246.1	5775.9	13859.7	9.82	0.00
MEAN	89.7	59.2	126	1246	693	519	605	72.5	193	447	.32	.000
MAX	732	432	907	4750	2010	1420	2590	534	774	2550	1.5	.00
MIN	.41	7.0	13	25	45	57	33	6.0	5.5	2.0	.00	.00
CFSM	.39	.26	.55	5.46	3.04	2.28	2.65	.32	.84	1.96	.00	.00
IN.	.45	.29	.64	6.30	3.17	2.63	2.96	.37	.94	2.26	.00	.00

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1941 - 1999, BY WATER YEAR (WY)
MEAN	40.5	173	258	334	369	479	439	332	176	108	68.2	32.5
MAX	350	1540	1787	2245	1379	1897	1375	1928	945	1366	488	304
(WY)	1946	1994	1983	1950	1950	1945	1972	1961	1945	1958	1998	1945
MIN	.000	.000	.000	.028	.022	.000	8.02	5.33	1.05	.002	.000	.000
(WY)	1941	1941	1941	1977	1941	1941	1946	1941	1988	1944	1953	1953

SUMMARY STATISTICS	FOR 1998 CALENDAR YEAR		FOR 1999 WATER YEAR		WATER YEARS 1941 - 1999
ANNUAL TOTAL	110991.20		122627.66
ANNUAL MEAN	304		336		233
HIGHEST ANNUAL MEAN					505	1950
LOWEST ANNUAL MEAN					9.71	1941
HIGHEST DAILY MEAN	3590	Apr 17	4750	Jan 23	7410	May 9 1961
LOWEST DAILY MEAN	.17	Sep 16	.00	Many days	.00	A
ANNUAL SEVEN-DAY MINIMUM	.23	Sep 12	.00	Aug 27	.00	Oct 1 1940
INSTANTANEOUS PEAK FLOW			4910	Jan 23	7500	May 9 1961
INSTANTANEOUS PEAK STAGE			21.72	Jan 23	24.04 B	May 9 1961
ANNUAL RUNOFF (CFSM)	1.33		1.47		1.02
ANNUAL RUNOFF (INCHES)	18.11		20.01		13.91
10 PERCENT EXCEEDS	1000		1130		800
50 PERCENT EXCEEDS	48		42		20
90 PERCENT EXCEEDS	3.0		.02		.00

A - At times in most years.
B - Site and datum then in use.