05440000 DATA: Discharge Tables, 2003

Station list Available data
ROCK RIVER BASIN

05440000 KISHWAUKEE RIVER NEAR PERRYVILLE, IL


LOCATION.-- Lat 42°11'40", long 88°59'55" (NAD of 1927), in NE1/4NE1/4 sec.21, T.43 N., R.2 E., Winnebago County, Hydrologic Unit 07090006, on left bank at upstream side of bridge on Blackhawk Road, 1.4 mi downstream from South Branch Kishwaukee River, 2 mi southwest of Perryville, 7.1 mi upstream from Killbuck Creek, and at mile 9.6.

DRAINAGE AREA.-- 1,099 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: October 1939 to current year.
	STAGE: Water years 1994 to current year.
SURFACE-WATER QUALITY
	CHEMICAL: Water years 1978-91.
	SEDIMENT: April 1979 to September 1981.

REVISED RECORDS.-- WSP 1175: 1941(P), 1942. WSP 1508: 1941, 1949. WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder, phone telemeter, and U.S. Army Corps of Engineers satellite telemeter and rain gage. Datum of gage is 692.13 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers). Prior to Apr. 30, 1949, nonrecording gage at same site and datum.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 24,200 ft³/s, July 18, 1996, gage height 23.54 ft; minimum discharge, 46 ft³/s, Oct. 6, 7, 10, 1956.
SUSPENDED-SEDIMENT CONCENTRATION: Maximum daily mean, 1,860 mg/L June 7, 1980; minimum daily mean, 13 mg/L Sept. 17, 1981.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 24,000 tons Apr. 1, 1979; minimum daily, 11 tons Sept. 17, 1981.

EXTREMES OUTSIDE PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Flood in January 1938 reached a stage of 23.85 ft, from information by the U.S. Army Corps of Engineers.

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

Discharge, cubic feet per second, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	303	285	228	236	e160	e160	322	496	770	201	551	88
2	550	277	269	237	e170	e162	309	1290	633	182	424	94
3	808	280	236	219	e190	e170	301	1140	551	175	348	93
4	659	280	241	213	e200	e162	339	852	515	168	340	90
5	851	282	e260	255	e160	e150	437	1240	463	252	324	83

6	712	295	e240	233	e180	e180	485	1740	426	250	276	79
7	546	285	e260	217	e170	e180	466	1440	412	298	244	75
8	470	284	237	228	e160	e180	422	1110	435	449	226	73
9	425	283	e210	230	e160	e190	391	1190	491	616	217	72
10	390	284	e240	213	e160	e210	368	1890	493	549	203	70

11	369	280	229	e211	e160	e180	364	1820	444	445	195	68
12	353	277	224	e210	e165	e200	356	2110	413	373	187	73
13	339	275	228	e182	e170	e220	332	2320	394	308	182	105
14	332	275	233	e170	e170	e260	312	1830	372	276	173	124
15	326	273	233	e150	e165	e330	303	1780	345	842	164	132

16	321	271	226	e160	e160	e370	295	1570	325	1160	156	118
17	314	268	224	e158	e160	e370	281	1290	303	881	144	108
18	314	267	258	e150	e162	e350	274	1050	301	612	137	98
19	309	270	364	e150	e170	e330	273	908	335	474	133	90
20	304	270	416	e150	e175	e320	284	946	332	407	128	84

21	302	268	367	e148	e180	e330	285	1210	307	391	121	83
22	296	267	319	e140	e190	e320	275	1090	275	391	114	96
23	290	276	263	e135	e190	e300	260	901	255	348	105	101
24	288	270	264	e132	e188	e300	248	778	239	315	98	105
25	313	264	286	e136	e185	e290	242	684	241	282	100	104

26	329	259	255	e142	e180	e310	233	608	251	258	103	99
27	328	253	247	e150	e170	319	228	555	244	239	100	102
28	318	244	263	e150	e160	329	223	525	233	235	96	105
29	306	273	246	e148	---	352	220	581	231	222	91	119
30	303	260	244	e142	---	364	249	566	212	213	87	109

31	295	---	247	e150	---	342	---	662	---	256	84	---

TOTAL	12363	8195	8057	5545	4810	8230	9377	36172	11241	12068	5851	2840
MEAN	399	273	260	179	172	265	313	1167	375	389	189	94.7
MAX	851	295	416	255	200	370	485	2320	770	1160	551	132
MIN	288	244	210	132	160	150	220	496	212	168	84	68
CFSM	0.36	0.25	0.24	0.16	0.16	0.24	0.28	1.06	0.34	0.35	0.17	0.09
IN.	0.42	0.28	0.27	0.19	0.16	0.28	0.32	1.22	0.38	0.41	0.20	0.10

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 2003, BY WATER YEAR (WY)
MEAN	474	571	597	626	890	1393	1278	1045	977	604	453	449
MAX	2309	2881	3230	2265	2963	5395	4267	3355	3827	3263	2853	3577
(WY)	1973	1986	1983	1969	1997	1979	1993	1996	1993	1993	1987	1972
MIN	75.5	95.8	83.5	68.8	98.8	230	280	212	214	135	97.4	78.9
(WY)	1957	1957	1964	1959	1940	1956	1963	1949	1959	1941	1964	1946

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR		FOR 2003 WATER YEAR		WATER YEARS 1940 - 2003
ANNUAL TOTAL	302317		124749
ANNUAL MEAN	828		342		779
HIGHEST ANNUAL MEAN					1955	1993
LOWEST ANNUAL MEAN					227	1977
HIGHEST DAILY MEAN	13700	Jun 5	2320	May 13	16700	Jul 19 1996
LOWEST DAILY MEAN	151	Aug 12	68	Sep 11	49	Oct 10 1956
ANNUAL SEVEN-DAY MINIMUM	183	Aug 7	73	Sep 6	52	Sep 11 1964
MAXIMUM PEAK FLOW			2360	May 13	24200	Jul 18 1996
MAXIMUM PEAK STAGE			8.39	May 13	23.54	Jul 18 1996
INSTANTANEOUS LOW FLOW			64	Sep 12	46	A
ANNUAL RUNOFF (CFSM)	0.75		0.31		0.71
ANNUAL RUNOFF (INCHES)	10.23		4.22		9.63
10 PERCENT EXCEEDS	1660		610		1690
50 PERCENT EXCEEDS	422		263		430
90 PERCENT EXCEEDS	238		116		130

A - Oct. 6, 7, 10, 1956.