05440000 DATA: Discharge Tables, 2004

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 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	104	133	235	339	e190	604	1960	622	6230	774	296	323
2	102	199	226	334	e190	741	1640	604	6510	720	283	289
3	108	375	221	329	e200	841	1390	567	5700	708	312	268
4	116	501	219	326	e200	784	1200	544	4060	823	557	255
5	113	480	230	306	e200	1900	1040	530	2810	869	585	252

6	112	500	232	253	e200	2910	949	510	2210	764	458	239
7	110	411	233	e210	e200	2580	891	490	1820	704	381	231
8	106	331	229	e200	e210	2120	831	470	1570	670	342	220
9	104	288	236	e190	e210	1650	764	468	1370	636	315	210
10	103	259	859	e190	e210	1320	695	458	1450	809	289	209

11	102	246	1750	e200	e200	1100	652	462	1870	841	277	205
12	106	230	1570	e200	e210	934	614	612	5580	725	275	194
13	105	215	1220	e200	e200	818	587	728	7330	647	273	191
14	138	205	952	e200	e190	760	567	1430	5110	593	263	185
15	140	201	768	e200	e200	725	549	2780	3920	553	255	184

16	180	201	645	e190	e190	672	526	2940	2810	521	254	205
17	144	199	575	e180	e200	649	520	2540	2210	501	251	207
18	127	285	502	e180	e200	643	511	2990	1830	472	244	200
19	125	451	471	e180	207	629	489	3260	1580	448	237	185
20	121	587	394	e180	227	622	503	2880	1380	436	232	184

21	115	474	469	e190	286	612	649	2710	1460	434	224	182
22	119	394	465	e190	386	578	882	4640	1880	529	211	176
23	113	356	400	e200	746	551	810	6660	1740	566	213	172
24	113	323	350	e200	1030	718	708	8250	1520	464	212	165
25	122	302	322	e200	938	1350	729	7310	1320	426	217	162

26	123	285	329	e200	793	1960	849	5410	1170	399	261	160
27	130	271	363	e210	695	2390	817	3830	1050	377	348	159
28	135	258	350	e200	632	2280	732	2920	963	358	650	159
29	133	247	370	e200	593	2550	682	2330	894	340	542	159
30	135	244	379	e190	---	2600	632	2380	828	324	456	159

31	131	---	362	e190	---	2310	---	4840	---	308	375	---

TOTAL	3735	9451	15926	6757	10133	40901	24368	77165	80175	17739	10088	6089
MEAN	120	315	514	218	349	1319	812	2489	2672	572	325	203
MAX	180	587	1750	339	1030	2910	1960	8250	7330	869	650	323
MIN	102	133	219	180	190	551	489	458	828	308	211	159
CFSM	0.11	0.29	0.47	0.20	0.32	1.20	0.74	2.26	2.43	0.52	0.30	0.18
IN.	0.13	0.32	0.54	0.23	0.34	1.38	0.82	2.61	2.71	0.60	0.34	0.21

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 2004, BY WATER YEAR (WY)
MEAN	468	568	596	620	882	1392	1271	1067	1003	603	451	445
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 2003 CALENDAR YEAR		FOR 2004 WATER YEAR		WATER YEARS 1940 - 2004
ANNUAL TOTAL	125246		302527
ANNUAL MEAN	343		827		779
HIGHEST ANNUAL MEAN					1955	1993
LOWEST ANNUAL MEAN					227	1977
HIGHEST DAILY MEAN	2320	May 13	8250	May 24	16700	Jul 19 1996
LOWEST DAILY MEAN	68	Sep 11	102	Oct 2,11	49	Oct 10 1956
ANNUAL SEVEN-DAY MINIMUM	73	Sep 6	105	Oct 7	52	Sep 11 1964
MAXIMUM PEAK FLOW			8420	May 24	24200	Jul 18 1996
MAXIMUM PEAK STAGE			13.71	May 24	23.54	Jul 18 1996
INSTANTANEOUS LOW FLOW			97	Oct 11	46	A
ANNUAL RUNOFF (CFSM)	0.312		0.752		0.709
ANNUAL RUNOFF (INCHES)	4.24		10.24		9.64
10 PERCENT EXCEEDS	638		2150		1700
50 PERCENT EXCEEDS	235		390		430
90 PERCENT EXCEEDS	105		161		130

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