05495500 DATA: Discharge Tables, 2000

Station list Available data
BEAR CREEK BASIN

05495500 BEAR CREEK NEAR MARCELLINE, IL

LOCATION.-- Lat 40°08'34", long 91°20'14", on line between secs.20 and 21, T.2 N., R.8 W., Adams County, Hydrologic Unit 07110001, on right downstream side of bridge on County Road 900 E, 0.9 mi downstream from Grindstone Creek, 2.2 mi northeast of Marcelline, 3.8 mi upstream from State Highway 96, and at mile 12.3.

DRAINAGE AREA.-- 349 mi².

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

DISCHARGE: March 1944 to current year.

STAGE: Water years 1994-2000.

SURFACE-WATER QUALITY

CHEMICAL: Water years 1978-91.

REVISED RECORDS.-- WSP 1308: 1944-45(M), 1948(M). WDR IL-75-1: Drainage area. WDR IL-94-1: 1991.

GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 504.52 ft above sea level. Prior to June 24, 1949, nonrecording gage at same site and datum.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 35,500 ft³/s, May 8, 1996, gage height, 28.36 ft; maximum gage height, 28.38 ft, Mar. 4, 1985; no flow for many days in 1953-56, 1962-64, 1976-77, 1988, and part of each day Aug. 17-19, 1989.

REMARKS FOR CURRENT YEAR.-- Records good except those for June 24 to July 12, which are fair, and those for estimated daily discharges, which are poor.

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	26	.55	.49	2.7	e1.9	72	18	11	7.2	90	8.5	5.0
2	11	.48	.53	3.1	e2.0	95	17	11	5.0	64	17	4.5
3	e7.0	.40	.86	3.6	e2.1	55	16	9.3	3.7	498	43	4.1
4	5.1	.51	1.7	4.7	e2.3	38	15	8.9	3.5	515	20	3.8
5	8.3	.50	7.5	4.2	2.4	31	15	8.4	3.1	1380	13	3.6

6	9.0	.48	18	4.2	2.5	26	14	8.1	2.6	1400	10	3.6
7	4.8	.53	27	4.0	2.7	23	13	8.7	2.1	361	8.6	3.5
8	3.2	.56	14	3.7	3.0	20	13	9.1	1.9	147	78	3.4
9	2.3	.49	21	4.1	3.6	19	13	13	1.6	91	154	3.4
10	1.6	.46	131	4.9	4.5	15	13	20	1.4	64	55	3.2

11	1.2	.44	68	4.6	5.2	14	15	29	1.8	1020	25	3.3
12	1.1	.43	24	5.2	5.2	12	15	20	2.1	695	15	3.8
13	1.2	.42	13	5.3	6.0	12	14	14	2.2	172	11	3.1
14	1.3	.40	8.4	4.4	6.1	12	13	10	18	90	9.2	3.6
15	1.3	.40	6.9	4.0	5.7	13	13	7.6	130	59	7.8	3.2

16	1.6	.46	5.8	e3.5	5.3	42	14	5.9	54	43	6.5	3.1
17	1.4	.43	5.4	e3.1	4.9	62	16	5.1	25	34	6.3	2.8
18	1.2	.38	4.9	e2.6	32	47	23	4.2	18	30	121	2.7
19	.96	.45	4.6	e2.7	71	94	22	3.3	12	55	58	2.8
20	.78	.48	4.6	e2.8	63	246	25	3.2	101	59	22	3.3

21	.79	.47	3.8	e2.6	34	136	32	3.7	886	33	13	3.3
22	.70	.54	3.3	e2.3	21	83	31	3.3	279	23	13	3.4
23	.61	.76	e3.0	e2.1	16	57	27	2.8	247	19	27	3.7
24	.55	.59	e2.7	e1.9	17	47	20	2.6	4350	16	28	4.4
25	.56	.69	e2.5	e1.7	51	41	16	2.2	3770	14	21	5.5

26	.62	.61	e2.3	e1.6	816	36	14	2.8	5510	12	14	5.5
27	.64	.59	e2.2	e1.5	391	35	13	27	2430	11	9.9	6.5
28	.57	.56	e2.2	e1.5	110	31	13	69	560	10	8.1	5.9
29	.56	.60	e2.3	e1.6	60	27	13	29	298	9.8	6.7	5.6
30	.49	.62	e2.4	e1.7	---	22	12	16	147	9.1	5.9	4.9

31	.52	---	e2.5	e1.8	---	19	---	11	---	8.9	5.4	---

TOTAL	96.95	15.28	396.88	97.7	1747.4	1482	508	379.2	18873.2	7032.8	840.9	118.5
MEAN	3.13	.51	12.8	3.15	60.3	47.8	16.9	12.2	629	227	27.1	3.95
MAX	26	.76	131	5.3	816	246	32	69	5510	1400	154	6.5
MIN	.49	.38	.49	1.5	1.9	12	12	2.2	1.4	8.9	5.4	2.7
CFSM	.01	.00	.04	.01	.17	.14	.05	.04	1.80	.65	.08	.01
IN.	.01	.00	.04	.01	.19	.16	.05	.04	2.01	.75	.09	.01

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1944 - 2000, BY WATER YEAR (WY)
MEAN	113	154	142	149	257	383	422	392	269	279	86.3	157
MAX	1658	2172	1485	956	1237	1370	2163	2679	2251	1967	541	1954
(WY)	1987	1986	1983	1946	1985	1985	1944	1995	1990	1993	1993	1970
MIN	.000	.000	.074	.31	.68	3.83	9.02	3.26	.72	.24	.17	.000
(WY)	1957	1957	1957	1977	1989	1956	1977	1989	1956	1988	1988	1953

SUMMARY STATISTICS	FOR 1999 CALENDAR YEAR		FOR 2000 WATER YEAR		WATER YEARS 1944 - 2000
ANNUAL TOTAL	64741.01		31588.81
ANNUAL MEAN	177		86.3		231
HIGHEST ANNUAL MEAN					711	1993
LOWEST ANNUAL MEAN					12.5	1989
HIGHEST DAILY MEAN	7900	Apr 16	5510	Jun 26	20500	Mar 4 1985
LOWEST DAILY MEAN	.38	Nov 18	.38	Nov 18	.00	A
ANNUAL SEVEN-DAY MINIMUM	.42	Nov 12	.42	Nov 12	.00	Aug 19 1953
INSTANTANEOUS PEAK FLOW			7370	Jun 26	35500 B	May 8 1996
INSTANTANEOUS PEAK STAGE			13.88	Jun 26	28.38	Mar 4 1985
INSTANTANEOUS LOW FLOW			.32	C
ANNUAL RUNOFF (CFSM)	.51		.25		.66
ANNUAL RUNOFF (INCHES)	6.90		3.37		9.00
10 PERCENT EXCEEDS	375		74		423
50 PERCENT EXCEEDS	27		6.9		23
90 PERCENT EXCEEDS	.62		.62		1.1

A - Many days in 1953-56, 1962-64, 1976-77, 1988, and part of each day Aug. 17-19, 1989.
B - Gage height, 28.36 ft.
C - Nov. 3, 15, 17 and 18.