05551200 DATA: Discharge Tables, 1998

ILLINOIS RIVER BASIN

05551200 FERSON CREEK NEAR ST. CHARLES, IL

LOCATION.--Lat 41°56'00", long 88°20'30", in NE1/4SE1/4 sec.20, T.40 N., R.8 E., Kane County, Hydrologic Unit 07120007, on right bank at downstream side of bridge on Randall Road, 2.4 mi northwest of St. Charles, and at mile 2.2.

DRAINAGE AREA.--51.7 mi².

PERIOD OF RECORD.--December 1960 to current year.

REVISED RECORDS.--WDR IL-75-1: Drainage area. WDR IL-82-2: 1966(M), 1968(M), 1970-71(M), 1973(M), 1978-79(M).

GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 704.84 ft above sea level.

REMARKS.--Records good except for those estimated daily discharges, which are poor. Gage-height telemeter at station.

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	4.9	5.2	21	e9.4	28	26	205	49	11	23	5.1	11
2	4.1	5.0	15	e10	87	22	e148	42	9.3	17	5.0	10
3	3.9	5.2	14	e45	78	21	e98	41	8.4	19	5.0	9.2
4	4.1	5.1	15	114	61	23	e54	39	8.6	107	18	9.1
5	4.5	4.5	13	141	48	26	e50	35	9.2	61	26	8.4

6	e4.5	6.2	10	166	40	24	e50	41	9.1	42	22	8.0
7	4.0	8.6	9.1	241	38	22	e44	205	7.7	61	15	15
8	4.1	6.4	8.2	172	37	60	181	475	7.2	73	13	16
9	5.4	5.0	8.2	115	31	138	207	216	13	42	19	10
10	6.7	5.9	10	76	28	86	143	122	14	33	13	8.5

11	5.4	6.0	13	e63	65	65	103	86	64	26	9.5	7.9
12	5.6	4.6	12	54	132	50	81	67	110	22	8.2	7.1
13	11	5.3	9.7	e47	84	42	e59	74	52	20	6.6	6.4
14	15	4.8	9.5	e42	61	38	e60	57	34	17	6.1	7.5
15	8.7	5.1	7.9	e36	48	33	59	46	28	15	6.2	20

16	7.3	6.4	8.3	36	42	33	203	40	23	13	6.2	15
17	7.1	5.5	8.7	30	53	49	157	32	24	12	5.4	11
18	6.4	5.0	8.4	28	50	220	100	29	21	11	5.7	10
19	7.5	6.0	8.6	24	41	243	73	26	69	17	5.3	9.1
20	6.5	5.8	9.0	21	36	143	69	25	40	16	4.7	8.3

21	7.9	7.3	8.9	20	31	103	196	22	25	12	4.5	7.4
22	6.7	7.2	8.8	19	29	80	155	19	19	11	4.2	7.5
23	6.4	6.2	9.0	18	27	62	105	18	17	11	4.0	7.1
24	7.1	5.9	9.9	17	28	60	75	21	13	10	4.4	8.6
25	8.6	6.0	13	16	25	52	65	19	11	8.9	77	11

26	8.9	6.2	12	15	23	50	77	16	104	7.9	46	11
27	29	6.4	11	15	29	46	79	15	57	9.1	21	9.8
28	13	9.8	11	14	30	44	56	17	71	7.7	34	7.8
29	7.1	11	9.6	17	---	40	54	19	50	7.0	35	9.9
30	5.7	27	10	20	---	38	52	15	32	5.9	19	14

31	5.0	---	9.8	20	---	97	---	13	---	5.5	13	---

TOTAL	232.1	204.6	331.6	1661.4	1310	2036	3058	1941	961.5	743.0	467.1	301.6
MEAN	7.49	6.82	10.7	53.6	46.8	65.7	102	62.6	32.0	24.0	15.1	10.1
MAX	29	27	21	241	132	243	207	475	110	107	77	20
MIN	3.9	4.5	7.9	9.4	23	21	44	13	7.2	5.5	4.0	6.4
CFSM	.14	.13	.21	1.04	.90	1.27	1.97	1.21	.62	.46	.29	.19
IN.	.17	.15	.24	1.20	.94	1.46	2.20	1.40	.69	.53	.34	.22

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1961 - 1998, BY WATER YEAR (WY)
MEAN	20.6	36.2	37.9	35.7	49.4	72.0	70.7	54.3	45.0	25.9	25.8	24.3
MAX	99.3	151	159	134	170	303	186	148	159	113	141	170
(WY)	1973	1986	1983	1969	1997	1979	1993	1996	1993	1996	1987	1972
MIN	1.61	2.39	1.98	1.63	3.31	17.1	16.4	7.87	3.07	1.05	1.65	1.64
(WY)	1964	1972	1964	1977	1963	1968	1977	1989	1977	1961	1964	1976

SUMMARY STATISTICS	FOR 1997 CALENDAR YEAR		FOR 1998 WATER YEAR		WATER YEARS 1961 - 1998
ANNUAL TOTAL	14290.7		13247.9
ANNUAL MEAN	39.2		36.3		42.0
HIGHEST ANNUAL MEAN					76.7	1993
LOWEST ANNUAL MEAN					8.72	1977
HIGHEST DAILY MEAN	1620	Feb 21	475	May 8	1620	Feb 21 1997
LOWEST DAILY MEAN	3.2	Sep 15	3.9	Oct 3	.10	A
ANNUAL SEVEN-DAY MINIMUM	4.0	Sep 27	4.2	Oct 2	.23	Aug 26 1961
INSTANTANEOUS PEAK FLOW			556	May 8	2580 B,C	Feb 21 1997
INSTANTANEOUS PEAK STAGE			4.56	May 8	9.66 D	Feb 8 1965
INSTANTANEOUS LOW FLOW			3.4	E	.10	F
ANNUAL RUNOFF (CFSM)	.76		.70		.81
ANNUAL RUNOFF (INCHES)	10.28		9.53		11.04
10 PERCENT EXCEEDS	73		85		87
50 PERCENT EXCEEDS	15		17		22
90 PERCENT EXCEEDS	4.8		5.7		4.1

A - Several days in 1961.
B - From rating curve extended above 1,960 ft³/s.
C - Gage height, 8.77 ft.
D - From floodmark, ice jam.
E - Oct. 2, 7, Nov. 24.
F - Several days in 1961 and 1965.

Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data