05551330 DATA: Discharge Tables, 2004

Station list Available data
ILLINOIS RIVER BASIN

05551330 MILL CREEK NR BATAVIA, IL


LOCATION.-- Lat 41°50'45", long 88°20'57" (NAD of 1927), 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 to current year.
	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 NGVD of 1929.

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, 0.22 ft³/s, September 29, 2004.
PRECIPITATION: Maximum daily total, 2.84 in, August 13, 2002.

EXTREMES FOR CURRENT YEAR.-- Records fair except those for estimated daily discharges, which are poor. Effluent from sewage-treatment plant 5 mi. upstream averaged 0.55 ft³/s during the year. The maximum average was 0.69 ft³/s in June and the minimum was 0.47 ft³/s in October.

Discharge, cubic feet per second, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	0.30	1.6	1.7	11	e2.7	21	41	12	183	8.5	2.7	2.5
2	0.31	2.3	1.3	10	e2.7	24	34	9.5	90	7.8	2.6	2.4
3	0.44	18	1.0	11	e2.7	21	29	7.9	63	8.2	3.0	1.7
4	0.43	30	0.98	9.5	e2.7	24	25	7.0	44	8.6	14	1.3
5	0.43	62	5.3	9.6	e2.7	124	22	6.0	33	8.1	12	0.83

6	0.41	42	6.8	7.4	e2.7	97	20	5.9	26	7.8	6.9	0.92
7	0.36	22	6.2	6.3	e2.7	56	18	6.2	23	7.1	3.4	0.85
8	0.35	12	4.3	e6.1	e2.7	41	16	6.0	21	6.9	2.6	0.90
9	0.35	9.4	7.2	e5.9	e2.7	32	14	5.2	17	13	1.6	0.72
10	0.38	6.3	98	5.7	e2.7	26	13	5.6	20	18	1.2	0.74

11	0.44	5.0	106	e5.6	e2.8	23	12	5.2	45	14	1.2	1.2
12	0.51	2.5	59	e5.6	e2.7	20	11	6.2	265	12	1.3	0.63
13	0.59	1.6	41	e5.6	e2.7	19	9.9	11	199	8.5	1.2	0.52
14	1.3	2.0	33	e5.5	e2.6	20	8.8	26	90	7.3	1.1	0.76
15	1.2	1.5	27	e5.0	e2.6	19	8.8	36	65	6.0	0.94	0.81

16	0.96	1.4	24	e4.7	e2.6	18	8.0	25	48	6.2	0.87	0.97
17	0.76	0.97	20	e4.4	e2.6	17	9.0	17	37	5.2	1.0	1.1
18	0.69	47	17	e4.1	e2.6	17	10	20	31	4.6	1.2	0.80
19	0.69	64	14	e3.9	e2.9	19	9.9	19	26	4.2	1.2	0.74
20	0.56	41	13	3.7	15	20	12	16	23	4.1	1.2	0.69

21	0.73	24	12	3.8	24	18	18	40	29	4.1	1.2	1.1
22	0.70	16	12	3.4	29	15	15	85	38	5.8	1.6	0.94
23	0.72	13	12	e3.4	37	14	12	79	29	8.9	0.97	0.86
24	0.72	17	11	e3.3	37	24	11	53	25	6.3	0.96	0.61
25	1.1	14	9.5	e3.2	28	34	21	41	21	5.5	1.00	0.51

26	1.1	12	8.2	e3.1	25	56	18	31	17	4.1	1.6	0.81
27	1.1	8.8	8.0	e3.0	21	56	14	25	15	3.7	2.5	0.36
28	1.3	6.1	14	e2.9	17	53	12	21	13	3.4	9.1	0.57
29	1.2	4.0	17	e2.8	16	86	10	16	12	2.8	11	0.36
30	1.1	2.9	15	e2.8	---	63	10	76	9.9	2.8	7.0	0.66

31	1.2	---	14	e2.8	---	52	---	254	---	2.9	4.1	---

TOTAL	22.43	490.37	619.48	165.1	300.1	1129	472.4	973.7	1557.9	216.4	102.24	27.86
MEAN	0.72	16.3	20.0	5.33	10.3	36.4	15.7	31.4	51.9	6.98	3.30	0.93
MAX	1.3	64	106	11	37	124	41	254	265	18	14	2.5
MIN	0.30	0.97	0.98	2.8	2.6	14	8.0	5.2	9.9	2.8	0.87	0.36
CFSM	0.03	0.59	0.72	0.19	0.37	1.32	0.57	1.14	1.88	0.25	0.12	0.03
IN.	0.03	0.66	0.83	0.22	0.40	1.52	0.64	1.31	2.10	0.29	0.14	0.04

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1998 - 2004, BY WATER YEAR (WY)
MEAN	19.0	14.7	13.1	14.1	25.2	23.5	32.8	33.6	31.3	16.1	9.72	8.04
MAX	43.8	26.5	20.0	49.1	68.4	36.4	89.5	64.2	51.9	45.8	28.5	18.7
(WY)	1999	2001	2004	1999	2001	2004	1999	2003	2004	1998	2002	2001
MIN	0.72	4.49	5.68	2.79	2.41	9.31	12.5	11.9	8.33	3.40	2.16	0.40
(WY)	2004	2000	2003	2003	2003	2003	2003	2000	2003	2001	2003	2003

SUMMARY STATISTICS	FOR 2003 CALENDAR YEAR		FOR 2004 WATER YEAR		WATER YEARS 1998 - 2004
ANNUAL TOTAL	4424.97		6076.98
ANNUAL MEAN	12.1		16.6		19.7
HIGHEST ANNUAL MEAN					32.4	1999
LOWEST ANNUAL MEAN					10.5	2003
HIGHEST DAILY MEAN	227	May 1	265	Jun 12	754	Apr 23 1999
LOWEST DAILY MEAN	0.30	Oct 1	0.30	Oct 1	0.30	Oct 1 2003
ANNUAL SEVEN-DAY MINIMUM	0.34	Sep 7	0.38	Oct 1	0.34	Sep 7 2003
MAXIMUM PEAK FLOW			331	Jun 12	1080	Apr 23 1999
MAXIMUM PEAK STAGE			6.08	Jun 12	7.52	Apr 23 1999
INSTANTANEOUS LOW FLOW			0.22	Sep 29	0.22	Sep 29 2004
ANNUAL RUNOFF (CFSM)	0.439		0.601		0.714
ANNUAL RUNOFF (INCHES)	5.96		8.18		9.70
10 PERCENT EXCEEDS	27		40		42
50 PERCENT EXCEEDS	2.5		7.6		9.4
90 PERCENT EXCEEDS	0.41		0.81		2.0