05551330 DATA: Discharge Tables, 1999

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.--May 1998 to current year.

GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 685.00 ft above sea level.

REMARKS.--Records good except those for estimated daily discharges, which are poor. Effluent from sewage-treatment plant 5 mi upstream averaged 0.4 ft³/s during the year. The maximum average was 0.6 ft³/s in April, and the minimum was 0.2 ft³/s in September. Recording rain gage and gage-height telemeter at station.

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	5.0	18	17	e8.6	52	28	15	50	29	18	5.5	3.4
2	5.1	17	18	e9.0	73	28	15	41	128	16	4.6	3.0
3	9.4	15	18	e8.6	70	29	15	35	57	14	4.2	2.7
4	8.2	14	18	e8.0	57	25	16	32	35	13	4.2	2.5
5	15	13	17	e7.6	45	25	15	30	26	11	4.1	2.4

6	21	13	25	e8.2	43	22	17	40	21	10	4.0	2.8
7	20	12	71	e8.8	41	20	15	40	20	9.2	4.8	1.8
8	15	12	48	e8.6	37	19	15	33	17	8.9	5.4	1.8
9	11	12	32	e8.2	36	e19	68	28	19	18	4.3	1.6
10	9.0	97	30	e8.1	33	e20	53	25	22	19	3.5	1.5

11	7.6	88	24	e8.0	39	20	37	25	21	13	2.7	1.4
12	6.1	49	22	e7.9	58	21	28	75	21	11	4.0	2.0
13	5.8	34	21	e7.8	41	20	24	74	201	9.8	4.8	3.5
14	5.7	27	19	e7.7	34	19	22	54	230	8.5	3.9	2.2
15	5.1	23	19	e7.6	31	20	26	40	85	7.6	3.2	1.7

16	5.2	21	17	e7.7	28	28	94	35	51	7.2	2.8	1.7
17	94	19	17	e7.9	25	71	81	55	38	7.4	2.7	1.6
18	553	18	16	e8.3	23	76	50	51	31	7.7	2.8	1.4
19	189	17	16	e8.7	21	46	38	38	27	8.8	4.3	1.8
20	76	16	15	e9.4	19	35	32	30	24	10	3.8	2.6

21	51	15	e14	e12	18	29	30	27	22	11	3.1	2.2
22	35	15	e12	e70	17	25	107	48	20	14	3.3	1.7
23	28	14	11	e280	17	23	754	40	20	12	3.5	1.8
24	24	14	10	381	16	21	282	33	18	26	19	1.7
25	20	17	9.7	173	18	19	106	26	16	18	23	1.5

26	18	16	9.5	97	18	18	68	22	16	12	16	1.6
27	20	16	e10	81	33	18	156	20	15	10	12	2.4
28	29	15	e11	91	34	18	326	19	14	8.5	9.1	60
29	24	15	e9.4	65	---	17	113	18	13	7.6	6.7	102
30	22	17	e8.0	54	---	16	66	17	12	6.7	5.4	48

31	20	---	e8.2	52	---	15	---	17	---	5.9	4.7	---

TOTAL	1357.2	689	592.8	1520.7	977	810	2684	1118	1269	359.8	185.4	266.3
MEAN	43.8	23.0	19.1	49.1	34.9	26.1	89.5	36.1	42.3	11.6	5.98	8.88
MAX	553	97	71	381	73	76	754	75	230	26	23	102
MIN	5.0	12	8.0	7.6	16	15	15	17	12	5.9	2.7	1.4
CFSM	1.59	.83	.69	1.78	1.26	.95	3.24	1.31	1.53	.42	.22	.32
IN.	1.83	.93	.80	2.05	1.32	1.09	3.61	1.51	1.71	.48	.25	.36

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1998 - 1999, BY WATER YEAR (WY)
MEAN	43.8	23.0	19.1	49.1	34.9	26.1	89.5	36.1	34.0	28.7	8.62	7.22
MAX	43.8	23.0	19.1	49.1	34.9	26.1	89.5	36.1	42.3	45.8	11.3	8.88
(WY)	1999	1999	1999	1999	1999	1999	1999	1999	1999	1998	1998	1999
MIN	43.8	23.0	19.1	49.1	34.9	26.1	89.5	36.1	25.7	11.6	5.98	5.56
(WY)	1999	1999	1999	1999	1999	1999	1999	1999	1998	1999	1999	1998

SUMMARY STATISTICS	FOR 1999 WATER YEAR		WATER YEARS 1998 - 1999
ANNUAL TOTAL	11829.2
ANNUAL MEAN	32.4		32.4
HIGHEST ANNUAL MEAN			32.4	1999
LOWEST ANNUAL MEAN			32.4	1999
HIGHEST DAILY MEAN	754	Apr 23	754	Apr 23 1999
LOWEST DAILY MEAN	1.4	Sep 11, 18	1.4	A
ANNUAL SEVEN-DAY MINIMUM	1.8	Sep 6	1.8	Sep 6 1999
INSTANTANEOUS PEAK FLOW	1080	Apr 23	1080	Apr 23 1999
INSTANTANEOUS PEAK STAGE	7.52	Apr 23	7.52	Apr 23 1999
INSTANTANEOUS LOW FLOW	1.1	Sep 12, 24-26	1.1	B
ANNUAL RUNOFF (CFSM)	1.17		1.17
ANNUAL RUNOFF (INCHES)	15.93		15.94
10 PERCENT EXCEEDS	67		57
50 PERCENT EXCEEDS	18		16
90 PERCENT EXCEEDS	3.7		3.5

A - Sept. 11, 18, 1999.
B - Sept. 12, 24-26, 1999.