05440000 DATA: Discharge Tables, 2000

Station list Available data
ROCK RIVER BASIN

05440000 KISHWAUKEE RIVER NEAR PERRYVILLE, IL

LOCATION.-- Lat 42°11'45", long 88°59'55", 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 1994-2000.

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 sea level (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.--
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 values, which are poor.

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	1600	334	280	322	e350	1430	418	850	1880	1110	1200	272
2	1140	334	280	339	e340	1220	418	820	3800	1100	1300	260
3	926	328	291	e380	e340	1060	418	759	4210	3290	870	251
4	1040	324	297	e365	e340	952	409	714	2970	3860	669	246
5	1090	324	438	e350	e330	889	397	682	2470	2620	585	246

6	939	318	677	e340	e330	823	388	646	2170	1950	589	240
7	798	313	671	e350	e330	769	397	618	1870	1550	601	235
8	704	311	560	e340	e320	732	416	604	1570	1300	581	231
9	639	311	504	430	e310	710	431	803	1340	1160	539	222
10	592	311	476	528	307	658	442	1570	1170	1840	480	239

11	543	305	449	674	316	611	442	1820	1170	2250	438	505
12	503	302	428	652	311	584	422	2210	2950	1890	411	1710
13	483	302	412	567	317	561	402	1820	7640	1490	395	1110
14	468	302	401	430	308	549	390	1390	10200	1200	387	877
15	454	297	396	512	302	540	387	1120	7500	1030	373	743

16	450	293	406	511	302	537	375	985	5510	913	355	587
17	438	293	400	391	294	513	391	931	3720	833	425	496
18	417	293	320	445	304	492	443	1540	2730	763	456	442
19	408	293	381	383	306	508	497	4390	2130	711	414	392
20	397	294	382	345	295	546	1790	3650	1820	670	373	413

21	390	293	304	e380	291	568	3740	3030	1670	627	350	483
22	382	293	e370	e370	349	544	3620	2360	1480	586	339	721
23	377	300	e315	e370	789	515	2900	1860	1290	555	335	5010
24	370	310	e315	e360	2790	505	2280	1480	1310	527	329	3260
25	360	303	e305	e355	3320	e520	1770	1220	1890	506	311	2210

26	358	294	e310	e350	3150	e510	1440	1050	2150	482	305	1610
27	351	293	e300	e350	2760	505	1230	1030	1860	465	297	1170
28	344	290	e300	e350	2100	488	1100	1110	1530	452	289	944
29	343	282	e310	e350	1680	470	982	1310	1380	436	285	814
30	342	280	e330	e360	---	446	890	1240	1210	438	280	728

31	339	---	e325	e360	---	427	---	1260	---	594	280	---

TOTAL	17985	9120	11933	12609	23581	20182	29625	44872	84590	37198	14841	26667
MEAN	580	304	385	407	813	651	988	1447	2820	1200	479	889
MAX	1600	334	677	674	3320	1430	3740	4390	10200	3860	1300	5010
MIN	339	280	280	322	291	427	375	604	1170	436	280	222
CFSM	.53	.28	.35	.37	.74	.59	.90	1.32	2.57	1.09	.44	.81
IN.	.61	.31	.40	.43	.80	.68	1.00	1.52	2.86	1.26	.50	.90

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 2000, BY WATER YEAR (WY)
MEAN	461	571	605	640	876	1412	1296	1042	958	617	453	453
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 1999 CALENDAR YEAR		FOR 2000 WATER YEAR		WATER YEARS 1940 - 2000
ANNUAL TOTAL	438976		333203
ANNUAL MEAN	1203		910		781
HIGHEST ANNUAL MEAN					1955	1993
LOWEST ANNUAL MEAN					227	1977
HIGHEST DAILY MEAN	15300	Jun 15	10200	Jun 14	16700	Jul 19 1996
LOWEST DAILY MEAN	182	Sep 26	222	Sep 9	49	Oct 10 1956
ANNUAL SEVEN-DAY MINIMUM	193	Sep 20	237	Sep 4	52	Sep 11 1964
INSTANTANEOUS PEAK FLOW			11300	Jun 14	24200	Jul 18 1996
INSTANTANEOUS PEAK STAGE			15.92	Jun 14	23.54	Jul 18 1996
INSTANTANEOUS LOW FLOW			222	Sep 8,9,10	46	A
ANNUAL RUNOFF (CFSM)	1.09		.83		.71
ANNUAL RUNOFF (INCHES)	14.86		11.28		9.66
10 PERCENT EXCEEDS	2500		1910		1710
50 PERCENT EXCEEDS	636		482		430
90 PERCENT EXCEEDS	286		300		127

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