05548105 DATA: Discharge Tables, 2000

Station list Available data
ILLINOIS RIVER BASIN

05548105 NIPPERSINK CREEK ABOVE WONDER LAKE, IL

LOCATION.-- Lat 42°23'07", long 88°22'09", in NE1/4NW1/4 sec.13, T.45 N., R.7 E., McHenry County, Hydrologic Unit 07120006, on left bank at downstream side of bridge on Thompson Road, at west edge of Wonder Lake and 1.1 mi east of Greenwood at mile 19.7.

DRAINAGE AREA.-- 84.5 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE

DISCHARGE: June 1994 to September 1997, October 1998 to current year.

STAGE: Water years 1994-1997;1999-2000.

PARTIAL RECORD: Annual maximum, water years 1965 to 1977.

SURFACE-WATER QUALITY

CHEMICAL: Water years 1999-2000.

SEDIMENT: June 1994 to September 1997.

MISCELLANEOUS: Contaminants in streambed sediments, August 1998; contaminants in fish tissue, August 1998, August 1999.

BIOLOGICAL: Benthic macroinvertebrates, July 1999; fish, August 1999 and August 2000.

GAGE.-- Water-stage recorder, and phone telemeter. Datum of gage is 798.00 ft above sea level. Prior to June 13, 1994, at datum 8.31 ft higher.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum gage height, 13.95 ft, present datum, June 11, 1967, discharge not determined; maximum discharge, 3,690 ft³/s, June 13, 1999, gage height, 11.63 ft; minimum discharge, 5.5 ft³/s, Sept. 12, 1995.
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 808 mg/L, Aug. 17, 1995; minimum daily, 1 mg/L, Aug. 27, 1997.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 1,830 tons, Feb. 21, 1997; minimum daily, 0.06 tons, Aug. 27, 1997.

EXTREMES OUTSIDE PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum stage of 12.26 ft, present datum, occurred between Sept. 30, 1977 and June 13, 1994, from floodmark obtained from crest-stage gage, discharge not determined.

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, 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	57	25	22	22	e16	69	26	47	338	54	66	23
2	39	25	23	24	e16	55	26	45	755	88	54	26
3	39	24	24	27	e16	49	25	42	453	292	45	24
4	51	24	25	26	e16	47	24	40	241	254	40	22
5	45	23	53	26	e17	45	24	38	244	201	39	21

6	38	23	56	27	e17	41	24	37	209	157	47	20
7	35	23	44	23	e18	40	26	36	166	122	41	18
8	32	23	42	36	e18	39	32	37	139	103	36	21
9	30	23	41	25	e18	39	38	54	118	93	34	27
10	29	24	40	40	e19	36	38	160	103	335	31	27

11	28	22	44	43	e20	35	36	164	108	369	28	29
12	27	21	33	35	e21	35	34	173	870	199	27	83
13	27	23	29	32	20	35	31	117	2100	140	27	67
14	27	23	28	e29	20	35	30	85	991	111	27	59
15	28	22	29	e27	20	35	29	67	650	92	25	62

16	27	23	30	25	20	36	28	61	324	78	24	47
17	27	22	28	e23	20	34	30	60	210	69	31	40
18	26	23	e27	e22	21	33	30	240	156	60	29	34
19	26	24	26	e21	22	35	50	703	128	56	24	31
20	26	24	25	e20	21	42	249	472	123	55	23	37

21	23	25	e23	e19	21	46	346	256	116	51	22	48
22	22	25	e22	e19	45	42	198	203	93	48	21	76
23	22	32	e21	e18	124	38	133	163	81	45	21	341
24	22	31	e21	e18	181	38	106	127	81	42	21	271
25	26	28	e21	e18	175	40	82	103	99	40	20	171

26	33	27	e21	e18	130	38	68	93	81	39	21	86
27	28	26	e21	e17	105	42	61	105	68	37	21	69
28	27	24	e22	e17	80	37	56	125	63	35	21	69
29	25	23	e21	e16	71	33	52	137	65	38	20	56
30	25	22	e21	e16	---	29	48	122	58	39	20	56

31	24	---	21	e16	---	26	---	136	---	59	21	---

TOTAL	941	727	904	745	1308	1224	1980	4248	9231	3401	927	1961
MEAN	30.4	24.2	29.2	24.0	45.1	39.5	66.0	137	308	110	29.9	65.4
MAX	57	32	56	43	181	69	346	703	2100	369	66	341
MIN	22	21	21	16	16	26	24	36	58	35	20	18
CFSM	.36	.29	.35	.28	.53	.47	.78	1.62	3.64	1.30	.35	.77
IN.	.41	.32	.40	.33	.58	.54	.87	1.87	4.06	1.50	.41	.86

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1995 - 2000, BY WATER YEAR (WY)
MEAN	22.6	32.2	32.9	52.2	71.0	50.9	79.5	124	185	53.5	27.3	26.8
MAX	35.0	44.0	39.5	92.3	153	91.5	126	169	309	110	37.9	65.4
(WY)	1999	1999	1999	1999	1997	1997	1999	1996	1999	2000	1996	2000
MIN	10.1	23.1	27.2	24.0	31.2	21.8	46.5	82.8	33.2	19.5	18.2	9.97
(WY)	1995	1997	1996	2000	1995	1996	1996	1995	1995	1995	1995	1995

SUMMARY STATISTICS	FOR 1999 CALENDAR YEAR		FOR 2000 WATER YEAR		WATER YEARS 1995 - 2000
ANNUAL TOTAL	30356		27597
ANNUAL MEAN	83.2		75.4		62.6
HIGHEST ANNUAL MEAN					86.1	1999
LOWEST ANNUAL MEAN					39.2	1995
HIGHEST DAILY MEAN	2260	Jun 14	2100	Jun 13	2260	Jun 14 1999
LOWEST DAILY MEAN	13	Sep 20	16 A	Jan 29-Feb. 4	7.0	Sep 11 1995
ANNUAL SEVEN-DAY MINIMUM	14	Sep 6	16	Jan 29	7.5	Sep 9 1995
INSTANTANEOUS PEAK FLOW			2990	Jun 13	3690	Jun 13 1999
INSTANTANEOUS PEAK STAGE			10.89	Jun 13	11.63	Jun 13 1999
INSTANTANEOUS LOW FLOW					5.5	Sep 12 1995
ANNUAL RUNOFF (CFSM)	.98		.89		.74
ANNUAL RUNOFF (INCHES)	13.36		12.15		10.07
10 PERCENT EXCEEDS	153		158		121
50 PERCENT EXCEEDS	43		35		33
90 PERCENT EXCEEDS	21		21		16

A - Estimated, but may have been less during period of backwater from ice, Jan. 17-Feb. 12.