03378000 DATA: Discharge Tables, 2001

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.--
SURFACE-WATER DISCHARGE AND STAGE

DISCHARGE: October 1940 to current year.

STAGE: Water years 1994-2001.

SURFACE-WATER QUALITY

CHEMICAL: Water years 1978-91.

MISCELLANEOUS: May and July 1998.

GAGE.-- Water-stage recorder, phone telemeter, 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.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 7,500 ft³/s, May 9, 1961, gage height, 24.04 ft, site and datum then in use; minimum discharge, no flow at times in most years.

REMARKS FOR CURRENT YEAR.-- Records fair except those for estimated daily discharges, which are poor.

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	27	e1.3	55	e24	947	150	30	8.7	761	2.9	40	8.4
2	20	e1.2	45	e23	585	116	28	12	185	2.6	12	2.9
3	15	e1.1	40	e22	151	98	206	5.9	48	2.0	6.5	e1.5
4	12	e1.0	36	e23	104	98	194	4.6	97	2.7	4.1	1.0
5	59	e1.0	33	e25	103	86	101	4.7	305	2.5	2.9	e.70

6	52	e2.0	28	e30	94	64	69	4.1	374	1.7	2.3	e.55
7	64	e5.0	28	e35	82	54	59	4.1	455	1.3	1.8	e.45
8	22	e10	26	e43	197	50	50	3.8	218	.94	2.4	e.60
9	13	183	21	e41	792	45	38	3.7	41	19	5.5	e1.0
10	8.7	326	20	e35	1070	41	34	3.4	21	129	67	e2.0

11	6.2	200	343	e31	921	39	33	3.2	15	29	20	e1.6
12	4.8	81	1010	e27	753	41	34	2.8	11	7.4	4.0	e.90
13	4.2	65	797	e30	270	48	41	2.2	8.6	3.5	2.2	e.60
14	4.0	117	327	e170	514	42	35	2.2	7.2	2.1	1.3	e.40
15	4.0	84	144	e800	1120	42	26	2.3	7.0	1.4	e.80	e.30

16	4.1	49	637	910	1200	120	25	2.2	4.4	1.0	e.60	e.25
17	4.8	33	1020	900	1090	125	19	164	3.4	.69	e.55	e.20
18	10	23	861	908	814	88	16	125	3.0	387	e.50	e.17
19	27	21	470	739	265	57	15	1280	2.5	330	e.45	e.13
20	13	18	232	411	145	47	13	474	66	115	e.60	e.11

21	8.5	15	e130	177	113	45	13	318	144	21	e.80	e.10
22	5.0	13	e90	121	92	39	13	149	186	8.4	e1.0	e.08
23	3.6	13	e65	121	82	35	14	55	21	68	e1.5	e.06
24	3.1	13	e50	148	85	32	13	36	8.8	46	2.9	e.04
25	e2.7	362	e36	127	1040	26	11	24	5.0	8.2	15	e.03

26	e2.4	892	e29	92	983	23	9.3	19	3.7	7.1	133	e.02
27	e2.2	788	e30	93	905	21	8.6	22	3.1	5.6	70	e.01
28	e1.9	469	e31	78	483	20	8.1	15	6.5	36	11	e.00
29	e1.8	138	e29	212	---	22	7.2	10	3.7	974	4.2	e.00
30	e1.6	77	e27	1070	---	25	9.2	9.2	4.5	700	2.0	e.00

31	e1.4	---	e25	1060	---	29	---	125	---	308	1.7	---

TOTAL	409.0	4002.6	6715	8526	15000	1768	1172.4	2895.1	3019.4	3224.03	418.60	24.10
MEAN	13.2	133	217	275	536	57.0	39.1	93.4	101	104	13.5	.80
MAX	64	892	1020	1070	1200	150	206	1280	761	974	133	8.4
MIN	1.4	1.0	20	22	82	20	7.2	2.2	2.5	.69	.45	.00
CFSM	.06	.59	.95	1.21	2.35	.25	.17	.41	.44	.46	.06	.00
IN.	.07	.65	1.10	1.39	2.45	.29	.19	.47	.49	.53	.07	.00

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1941 - 2001, BY WATER YEAR (WY)
MEAN	39.4	170	254	327	371	467	427	325	182	108	75.6	33.1
MAX	350	1540	1787	2245	1379	1897	1375	1928	945	1366	575	304
(WY)	1946	1994	1983	1950	1950	1945	1972	1961	1945	1958	2000	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 2000 CALENDAR YEAR		FOR 2001 WATER YEAR		WATER YEARS 1941 - 2001
ANNUAL TOTAL	78210.07		47174.23
ANNUAL MEAN	214		129		231
HIGHEST ANNUAL MEAN					505	1950
LOWEST ANNUAL MEAN					9.71	1941
HIGHEST DAILY MEAN	2330	Jun 18	1280	May 19	7410	May 9 1961
LOWEST DAILY MEAN	.00	Jan 1	.00 A	Sep 28-30	.00	B
ANNUAL SEVEN-DAY MINIMUM	.67	Jan 26	.01 A	Sep 24	.00	Oct 1 1940
MAXIMUM PEAK FLOW			1450	May 19	7500	May 9 1961
MAXIMUM PEAK STAGE			13.67	May 19	24.04 C	May 9 1961
ANNUAL RUNOFF (CFSM)	.94		.57		1.01
ANNUAL RUNOFF (INCHES)	12.76		7.70		13.76
10 PERCENT EXCEEDS	850		461		797
50 PERCENT EXCEEDS	35		25		20
90 PERCENT EXCEEDS	2.3		1.0		.00

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