05440000 DATA: Discharge Tables, 2002

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 1994-2002.
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, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	477	1280	736	e440	394	720	662	841	686	551	192	460
2	447	1150	721	e425	373	706	666	884	642	517	182	561
3	416	1010	696	e415	367	594	682	1050	807	487	176	924
4	399	921	679	e420	325	493	652	939	9090	468	169	742
5	420	866	656	e425	323	700	621	855	13700	442	192	569

6	454	816	644	e425	377	701	605	811	10300	422	293	482
7	419	781	619	e410	381	649	646	784	8330	412	227	432
8	394	735	595	e398	363	854	1200	736	6330	397	195	394
9	382	696	577	e415	366	2570	3280	734	4350	438	176	367
10	403	676	556	e430	505	3130	3710	700	2990	434	169	351

11	429	641	546	428	828	2550	3120	722	2480	435	161	338
12	456	606	537	417	827	2000	2410	1920	2230	384	151	323
13	566	615	602	405	728	1660	1880	2840	1920	359	202	308
14	1090	665	723	406	648	1470	1600	3100	1780	338	373	297
15	1510	680	711	410	608	1300	1410	2790	1660	319	413	291

16	1350	643	658	397	592	1140	1260	2080	1500	298	319	285
17	1110	604	635	365	561	1000	1130	2010	1330	280	263	277
18	924	585	626	344	534	942	1050	2080	1200	272	228	293
19	804	583	625	e390	570	884	1130	1750	1100	262	206	355
20	714	567	621	399	943	847	1080	1460	999	258	192	525

21	640	549	594	377	1670	803	992	1270	919	254	213	468
22	600	542	582	359	1660	740	1000	1150	874	238	5200	397
23	1980	529	e580	369	1340	727	945	1060	822	225	6310	348
24	3580	663	e558	376	1160	725	897	1010	777	206	3360	323
25	4110	873	487	372	1030	667	903	983	732	198	2640	307

26	3820	908	e520	376	924	633	842	996	729	206	1980	293
27	3220	838	e500	370	848	620	798	919	720	236	1430	281
28	2520	779	e490	373	773	612	897	850	661	227	953	275
29	1990	722	e470	372	---	642	962	817	611	233	730	286
30	1640	719	e465	369	---	710	898	784	581	215	599	324

31	1430	---	e450	376	---	709	---	730	---	201	518	---

TOTAL	38694	22242	18459	12253	20018	32498	37928	39655	80850	10212	28412	11876
MEAN	1248	741.4	595.5	395.3	714.9	1048	1264	1279	2695	329.4	916.5	395.9
MAX	4110	1280	736	440	1670	3130	3710	3100	13700	551	6310	924
MIN	382	529	450	344	323	493	605	700	581	198	151	275
CFSM	1.14	0.67	0.54	0.36	0.65	0.95	1.15	1.16	2.45	0.30	0.83	0.36
IN.	1.31	0.75	0.62	0.41	0.68	1.10	1.28	1.34	2.74	0.35	0.96	0.40

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 2002, BY WATER YEAR (WY)
MEAN	475.0	576.2	602.6	633.6	901.5	1411	1294	1043	986.9	607.3	457.0	454.9
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 2001 CALENDAR YEAR		FOR 2002 WATER YEAR		WATER YEARS 1940 - 2002
ANNUAL TOTAL	348102		353097
ANNUAL MEAN	953.7		967.4		785.6
HIGHEST ANNUAL MEAN					1955	1993
LOWEST ANNUAL MEAN					227	1977
HIGHEST DAILY MEAN	7460	Feb 26	13700	Jun 5	16700	Jul 19 1996
LOWEST DAILY MEAN	165	Aug 15,Sep 3	151	Aug 12	49	Oct 10 1956
ANNUAL SEVEN-DAY MINIMUM	178	Aug 9	183	Aug 7	52	Sep 11 1964
MAXIMUM PEAK FLOW			15600	Jun 5	24200	Jul 18 1996
MAXIMUM PEAK STAGE			18.57	Jun 5	23.54	Jul 18 1996
INSTANTANEOUS LOW FLOW			149	Aug 12	46	A
ANNUAL RUNOFF (CFSM)	0.87		0.88		0.71
ANNUAL RUNOFF (INCHES)	11.78		11.95		9.71
10 PERCENT EXCEEDS	1840		1920		1710
50 PERCENT EXCEEDS	696		640		437
90 PERCENT EXCEEDS	227		286		130

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