05577500 DATA: Discharge Tables, 2001

Station list Available data
ILLINOIS RIVER BASIN

05577500 SPRING CREEK AT SPRINGFIELD, IL

LOCATION.-- Lat 39°48'55", long 89°41'55", in NW1/4NE1/4 sec.30, T.16 N., R.5 W., Sangamon County, Hydrologic Unit 07130008, on right bank at downstream side of bridge on State Highways 125 and 97 (Jefferson Street), 0.1 mi east of intersection of State Highway 4 (Veterans Parkway) and State Highways 125 and 97 (Jefferson Street), in Springfield, and at mile 8.2.

DRAINAGE AREA.-- 107 mi².

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

DISCHARGE: January to September 1948, December 1948 to current year.

STAGE: Water years 1994-2001.

GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 524.65 ft above sea level. Prior to Dec. 22, 1948, and Mar. 24, 1981, to Mar. 30, 1983, nonrecording gage at same site and datum.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 10,700 ft³/s, May 8, 1996, gage height, 16.23 ft; no flow for many days 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	.19	20	23	e10	e330	216	59	38	91	24	.22	1.3
2	.12	25	23	e11	e220	192	55	37	106	20	18	.67
3	.10	24	21	e11	e160	169	54	35	70	18	14	.51
4	3.9	22	21	e12	e130	152	50	31	220	18	3.1	.38
5	59	18	21	e12	e110	128	53	63	318	31	1.6	.21

6	14	60	18	e11	93	112	74	68	1260	14	.81	11
7	11	48	23	e11	85	104	58	45	1590	11	.57	3.9
8	7.7	33	23	e11	90	98	52	39	757	8.8	.65	.46
9	6.6	144	21	e10	209	89	51	33	299	7.3	.30	16
10	6.2	139	19	e10	301	81	79	31	220	5.7	.09	1.9

11	5.7	95	e22	e11	209	78	175	36	179	4.3	.02	.32
12	5.3	74	e21	e12	167	75	203	31	147	3.1	e.01	.11
13	4.5	99	e19	e15	145	75	156	26	121	3.2	e.01	.01
14	17	68	e18	e40	170	67	119	31	104	2.6	e.01	e.01
15	47	56	e17	97	199	79	105	31	94	2.0	e.01	e.01

16	19	53	e16	102	189	165	85	29	80	1.5	9.4	e.01
17	16	49	e15	66	153	189	69	26	68	6.4	1.8	e.01
18	16	42	e14	51	138	167	62	49	62	12	1.8	35
19	16	41	e13	46	119	145	61	63	57	58	3.9	11
20	18	40	e12	37	108	128	65	45	52	19	1.7	4.6

21	18	36	e11	33	85	113	70	45	73	24	.66	20
22	21	31	e10	30	79	101	61	40	55	9.9	5.0	2.0
23	23	33	e9.6	28	76	91	60	34	48	18	107	1.0
24	27	31	e9.2	28	377	82	50	32	43	13	33	.66
25	21	37	e8.6	24	839	72	47	30	39	5.2	12	.42

26	22	39	e8.6	26	678	69	44	52	36	3.9	6.5	.35
27	20	34	e8.9	26	338	66	42	33	33	2.5	3.4	.26
28	21	28	e9.0	29	254	63	41	29	30	1.6	1.8	.25
29	21	26	e9.4	e200	---	63	38	25	28	1.1	1.3	.18
30	20	23	e9.6	e940	---	61	37	24	26	.86	1.7	.15

31	17	---	e10	e950	---	59	---	64	---	.39	4.3	---

TOTAL	504.31	1468	483.9	2900	6051	3349	2175	1195	6306	350.35	234.66	112.68
MEAN	16.3	48.9	15.6	93.5	216	108	72.5	38.5	210	11.3	7.57	3.76
MAX	59	144	23	950	839	216	203	68	1590	58	107	35
MIN	.10	18	8.6	10	76	59	37	24	26	.39	.01	.01
CFSM	.15	.46	.15	.87	2.02	1.01	.68	.36	1.96	.11	.07	.04
IN.	.18	.51	.17	1.01	2.10	1.16	.76	.42	2.19	.12	.08	.04

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 2001, BY WATER YEAR (WY)
MEAN	21.9	29.5	54.4	58.0	85.3	110	128	122	96.3	42.8	26.2	20.5
MAX	244	225	523	282	281	374	605	617	418	358	292	296
(WY)	1960	1986	1983	1950	1975	1978	1957	1996	1990	1981	1981	1993
MIN	.000	.000	.000	.000	.22	.23	.66	.052	8.05	1.38	.016	.000
(WY)	1954	1954	1954	1956	1954	1954	1954	1954	1953	1976	1953	1952

SUMMARY STATISTICS	FOR 2000 CALENDAR YEAR		FOR 2001 WATER YEAR		WATER YEARS 1948 - 2001
ANNUAL TOTAL	6271.42		25129.90
ANNUAL MEAN	17.1		68.8		66.8
HIGHEST ANNUAL MEAN					156	1993
LOWEST ANNUAL MEAN					2.15	1954
HIGHEST DAILY MEAN	312	Jun 26	1590	Jun 7	5320	May 8 1996
LOWEST DAILY MEAN	.01	A	.01	B	.00	C
ANNUAL SEVEN-DAY MINIMUM	.01	Aug 28	.06	Aug 9	.00	Sep 1 1949
MAXIMUM PEAK FLOW			2240	Jun 6	10700	May 8 1996
MAXIMUM PEAK STAGE			11.16	Jun 6	16.23	May 8 1996
ANNUAL RUNOFF (CFSM)	.16		.64		.62
ANNUAL RUNOFF (INCHES)	2.18		8.74		8.49
10 PERCENT EXCEEDS	40		152		153
50 PERCENT EXCEEDS	5.9		30		21
90 PERCENT EXCEEDS	.30		.94		.02

	A- Several days; Aug. 29-31, Sept. 1-10, 18 and 19, estimated.
	B- Several days; Aug. 12-15, and Sept. 14-17, estimated.
	C- Many days in most years.