05551200 DATA: Discharge Tables, 2004

Station list Available data
ILLINOIS RIVER BASIN

05551200 FERSON CREEK NEAR ST. CHARLES, IL


LOCATION.-- Lat 41°55'58", long 88°20'28" (NAD of 1927), 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.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: December 1960 to current year.
	STAGE: Water years 1994 to current year.
SURFACE-WATER QUALITY
	MISCELLANEOUS: Water year 2000; contaminants in streambed sediments, water year 2000.
PRECIPITATION: August 2000 to current year.
BIOLOGICAL
	ALGAE: Pigment and biomass, Water year 2000.
	BENTHIC MACROINVERTEBRATES: Water year 2000.
	HABITAT: Water year 2000.

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, phone telemeter, crest-stage gage, and rain gage. Datum of gage is 704.84 ft above NGVD of 1929.

REMARKS.-- 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, 2,580, Feb. 21, 1997, from rating curve extended above 1,960 ft³/s, gage height, 8.77 ft; maximum gage height, 9.66 ft, Feb. 8, 1965, from floodmark, ice jam; minimum discharge, 0.10 ft³/s, several days in 1961 and 1965.
PRECIPITATION: Maximum recorded daily total, 3.27 in., August 13, 2002.

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor.

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	3.6	110	e12	20	e9.7	57	73	17	374	25	9.6	12
2	1.3	125	e11	20	e9.4	74	58	15	166	24	7.0	10
3	e2.2	181	11	21	e9.7	59	48	13	111	23	8.2	9.0
4	e1.8	142	14	21	e9.4	57	40	11	78	28	47	8.6
5	e1.8	208	26	e19	e8.9	328	35	11	59	27	25	9.3

6	e1.7	98	30	e18	e8.6	236	35	10	47	25	14	9.2
7	e1.7	57	24	e16	e8.4	132	32	11	39	24	11	7.8
8	e1.7	34	21	e15	e8.2	89	28	9.9	33	23	10	6.6
9	e1.7	25	29	e14	e8.1	73	24	9.6	29	19	8.6	6.0
10	e1.8	22	303	e14	e7.8	56	23	9.6	52	30	8.6	4.7

11	e2.2	21	327	14	e7.4	52	21	38	118	24	8.7	4.5
12	e2.1	20	138	14	7.3	39	19	23	780	20	8.7	4.5
13	e13	e20	85	14	e7.4	33	18	38	586	17	8.5	3.8
14	e23	e20	57	13	7.5	39	17	94	226	18	8.2	3.6
15	e2.4	e21	46	e12	e7.8	36	17	159	145	15	7.2	5.9

16	e2.1	e23	42	11	e8.0	33	16	85	105	15	6.1	7.3
17	e2.0	53	35	e10	e8.4	33	15	58	86	15	7.1	6.0
18	e2.0	174	30	e9.9	e9.4	35	13	100	72	14	7.5	4.4
19	e2.0	176	26	e9.5	15	38	14	85	62	13	13	4.1
20	e2.0	77	e24	9.3	22	39	15	69	54	13	11	3.7

21	e2.1	e45	22	9.1	52	33	32	284	62	13	10	3.2
22	e2.2	e38	20	8.8	47	29	25	859	84	14	9.4	3.0
23	e3.8	e34	e18	7.9	96	31	19	615	54	13	9.0	3.0
24	e7.4	e30	e16	9.0	114	63	17	242	47	12	9.4	3.1
25	e4.0	e27	e15	9.0	73	99	39	151	47	11	10	3.1

26	e2.4	e22	e14	9.2	59	166	32	114	37	9.9	11	2.9
27	e2.2	e20	13	e9.5	51	150	24	87	32	9.4	14	2.9
28	e2.2	e17	26	e9.6	45	116	19	67	30	11	26	2.9
29	e2.3	e14	35	e9.6	45	246	18	51	28	9.4	21	2.8
30	e7.2	e13	28	e9.6	---	147	16	209	25	8.3	15	2.7

31	e8.6	---	23	e9.6	---	98	---	702	---	8.7	13	---

TOTAL	116.5	1867	1521	395.6	770.4	2716	802	4247.1	3668	531.7	382.8	160.6
MEAN	3.76	62.2	49.1	12.8	26.6	87.6	26.7	137	122	17.2	12.3	5.35
MAX	23	208	327	21	114	328	73	859	780	30	47	12
MIN	1.3	13	11	7.9	7.3	29	13	9.6	25	8.3	6.1	2.7
CFSM	0.07	1.20	0.95	0.25	0.51	1.69	0.52	2.65	2.36	0.33	0.24	0.10
IN.	0.08	1.34	1.09	0.28	0.55	1.95	0.58	3.06	2.64	0.38	0.28	0.12

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1961 - 2004, BY WATER YEAR (WY)
MEAN	22.0	35.8	36.4	35.4	50.2	69.1	69.4	58.0	48.9	25.0	25.0	22.7
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	14.5	16.4	7.87	3.07	1.05	1.65	1.64
(WY)	1964	1972	1964	1977	1963	2003	1977	1989	1977	1961	1964	1976

SUMMARY STATISTICS	FOR 2003 CALENDAR YEAR		FOR 2004 WATER YEAR		WATER YEARS 1961 - 2004
ANNUAL TOTAL	10218.1		17178.7
ANNUAL MEAN	28.0		46.9		41.9
HIGHEST ANNUAL MEAN					76.7	1993
LOWEST ANNUAL MEAN					8.72	1977
HIGHEST DAILY MEAN	608	May 11	859	May 22	1620	Feb 21 1997
LOWEST DAILY MEAN	1.3 A	Oct 2	1.3 A	Oct 2	0.10	B
ANNUAL SEVEN-DAY MINIMUM	1.7	Aug 22	1.7	Oct 2	0.23	Aug 26 1961
MAXIMUM PEAK FLOW			1160	Jun 12	2580 C,D	Feb 21 1997
MAXIMUM PEAK STAGE			6.16	Jun 12	9.66 E	Feb 8 1965
INSTANTANEOUS LOW FLOW			0.95 A	Oct 2	0.10	F
ANNUAL RUNOFF (CFSM)	0.541		0.908		0.811
ANNUAL RUNOFF (INCHES)	7.35		12.36		11.02
10 PERCENT EXCEEDS	57		106		88
50 PERCENT EXCEEDS	10		18		22
90 PERCENT EXCEEDS	2.0		3.8		4.5

	A - But may have been less during estimated period, Oct. 3-31.
	B - Several days in 1961.
	C - From rating curve extended above 1,960 ft³/s.
	D - Gage height, 8.77 ft.
	E - From floodmark, ice jam.
	F - Several days in 1961 and 1965.