05551330 DATA: Discharge Tables, 2001

Station list Available data
ILLINOIS RIVER BASIN

05551330 MILL CREEK NR BATAVIA, IL

LOCATION.-- Lat 41°50'45", long 88°20'57", in NW1/4NW1/4SE1/4 sec.20, T.39 N., R.8 E., Kane County, Hydrologic Unit 07120007, on left bank at bridge on Deer Path road, 1 mi. west of Batavia, and at mile 2.9.

DRAINAGE AREA.-- 27.6 mi².

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

DISCHARGE: May 1998 to current year.

STAGE: Water years 1998-2001.

PARTIAL RECORD: Miscellaneous discharge measurements, water year 1998.

PRECIPITATION: October 1999 to current year.

GAGE.-- Water-stage recorder, phone telemeter, unheated tipping-bucket rain gage, and crest-stage gage. Datum of gage is 685.00 ft above sea level.

REMARKS.-- Effluent from sewage-treatment plant 5 mi upstream. Collection, computation, and publication of precipitation data do not necessarily conform to standards used by the National Weather Service. Precipitation data could be subject to error for days with freezing and/or thawing of precipitation.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1,080 ft³/s, Apr. 23, 1999, gage height, 7.52 ft; minimum discharge, 0.40 ft³/s, Aug. 11, 2001.
PRECIPITATION: Maximum daily total, 2.79 in, September 19, 2001.

REMARKS FOR CURRENT YEAR.-- Records fair except those for estimated daily discharges, which are poor. Effluent from sewage-treatment plant 5 mi upstream averaged 0.34 ft³/s during the year. The maximum average was 0.51 ft³/s in January and the minimum was 0.21 ft³/s in December.

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	9.0	2.8	11	e7.7	51	39	19	10	36	6.3	1.3	3.8
2	7.8	3.6	10	e7.6	67	33	19	9.7	55	5.7	1.3	2.9
3	8.0	3.6	9.4	e7.7	42	33	19	9.3	41	6.1	1.7	2.7
4	45	3.0	9.0	e7.8	27	30	17	8.9	31	6.1	1.3	7.2
5	48	3.0	9.2	e8.0	20	27	16	8.9	91	5.2	1.0	6.2

6	38	6.3	8.0	e8.2	15	24	35	8.4	85	4.3	.94	5.1
7	26	82	8.6	e8.4	15	23	39	11	50	4.2	.77	9.1
8	20	67	7.7	e8.2	25	22	33	11	35	4.5	.83	7.4
9	15	111	7.4	e8.4	369	20	33	10	28	4.2	.68	8.7
10	13	119	7.6	e8.4	205	20	33	11	22	3.5	.67	11

11	10	64	e8.0	e8.3	92	21	29	25	19	2.9	.62	8.8
12	8.8	43	e7.8	e8.2	57	24	52	21	18	2.7	.61	7.2
13	8.1	34	e7.5	e8.5	47	32	36	15	17	2.7	.60	5.6
14	6.4	29	e7.8	e9.0	54	29	28	12	14	2.4	.47	3.8
15	5.7	25	e7.7	e13	57	42	33	11	15	2.3	.50	2.4

16	5.6	22	e7.6	17	47	64	35	9.6	14	2.4	2.0	1.7
17	5.4	19	e7.7	17	48	55	28	8.9	12	2.4	1.4	1.3
18	4.8	17	e7.9	19	59	52	22	8.4	12	3.0	1.3	1.7
19	4.2	15	e8.2	16	31	44	20	7.5	11	2.8	1.7	94
20	4.2	13	e8.2	13	31	40	21	7.2	10	2.5	1.0	81

21	3.6	12	e8.0	12	31	34	22	11	10	2.4	.82	59
22	3.5	11	e7.8	11	25	31	20	e9.5	10	3.5	1.0	38
23	3.3	9.5	e7.7	10	25	28	20	e8.5	9.7	4.0	2.1	38
24	3.9	9.1	e7.7	9.0	65	27	19	e8.0	9.1	3.0	2.3	57
25	4.4	9.5	e7.5	8.8	219	24	17	10	8.5	3.6	7.1	34

26	4.5	13	e7.4	9.2	83	23	15	25	8.5	2.9	9.8	22
27	4.1	14	e7.3	8.7	59	21	13	35	8.9	2.2	9.9	15
28	3.6	12	e7.2	8.7	48	20	12	26	7.3	2.1	7.7	11
29	3.3	12	e7.4	13	---	19	11	19	6.9	2.2	5.5	8.5
30	2.9	12	e7.6	58	---	19	10	13	6.7	1.9	4.2	6.1

31	3.0	---	e7.8	66	---	19	---	14	---	1.5	3.7	---

TOTAL	333.1	796.4	249.7	423.8	1914	939	726	402.8	701.6	105.5	74.81	560.2
MEAN	10.7	26.5	8.05	13.7	68.4	30.3	24.2	13.0	23.4	3.40	2.41	18.7
MAX	48	119	11	66	369	64	52	35	91	6.3	9.9	94
MIN	2.9	2.8	7.2	7.6	15	19	10	7.2	6.7	1.5	.47	1.3
CFSM	.39	.96	.29	.49	2.47	1.10	.88	.47	.85	.12	.09	.68
IN.	.45	1.07	.34	.57	2.58	1.26	.98	.54	.94	.14	.10	.75

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1998 - 2001, BY WATER YEAR (WY)
MEAN	21.1	18.0	12.5	22.8	40.2	22.0	45.6	20.3	28.7	19.5	8.51	11.8
MAX	43.8	26.5	19.1	49.1	68.4	30.3	89.5	36.1	42.3	45.8	14.4	18.7
(WY)	1999	2001	1999	1999	2001	2001	1999	1999	1999	1998	2000	2001
MIN	8.80	4.49	8.05	5.82	18.1	9.65	23.1	11.9	23.4	3.40	2.41	5.56
(WY)	2000	2000	2001	2000	2000	2000	2000	2000	2001	2001	2001	1998

SUMMARY STATISTICS	FOR 2000 CALENDAR YEAR		FOR 2001 WATER YEAR		WATER YEARS 1998 - 2001
ANNUAL TOTAL	5555.5		7226.91
ANNUAL MEAN	15.2		19.8		21.9
HIGHEST ANNUAL MEAN					32.4	1999
LOWEST ANNUAL MEAN					13.4	2000
HIGHEST DAILY MEAN	149	Apr 20	369	Feb 9	754	Apr 23 1999
LOWEST DAILY MEAN	2.8	Nov 1	.47	Aug 14	.47	Aug 14 2001
ANNUAL SEVEN-DAY MINIMUM	3.1	Oct 30	.59	Aug 9	.59	Aug 9 2001
MAXIMUM PEAK FLOW			530	Feb 9	1080	Apr 23 1999
MAXIMUM PEAK STAGE			6.25	Feb 9	7.52	Apr 23 1999
INSTANTANEOUS LOW FLOW			.40	Aug 11	.40	Aug 11 2001
ANNUAL RUNOFF (CFSM)	.55		.72		.79
ANNUAL RUNOFF (INCHES)	7.48		9.73		10.76
10 PERCENT EXCEEDS	35		47		46
50 PERCENT EXCEEDS	8.2		10		10
90 PERCENT EXCEEDS	4.2		2.4		3.7