421033088233601 DATA: Discharge Tables, 2000

Station list Available data
ILLINOIS RIVER BASIN

421033088233601 SEWER AT HUNTLEY ALGONQUIN ROAD NEAR LAKE IN THE HILLS, IL

LOCATION.-- Lat 42°10'33", long 88°23'36", in SW1/4NW1/4 sec. 26, T.43 S., R.07 E., McHenry County, Hydrologic Unit 07090006, on north side of Algonquin Road, 1.75 miles east of the intersection of Route 47 and Algonquin Road.

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

DISCHARGE: April 1999 to September 2000 (discontinued).

STAGE: April 1999 to September 2000.

GAGE.-- Water-stage recorder and acoustical velocity meter. Datum of gage is 855.00 ft. above sea level.

REMARKS.-- Flow regulated by control valve approximately 30 ft upstream from gage.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 12.3 ft³/s, June 17, 1999, gage height, 1.52 ft; maximum gage height, 4.06 ft, June 17, 1999; no flow for many days.

REMARKS FOR CURRENT YEAR.-- Records 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	e1.0	e.00	.00	.00	.00	.39	.00	.12	.58	.01	.53	.00
2	e.90	e.00	.00	.02	.00	.36	.00	.09	.63	.45	.23	.00
3	e.89	.00	.00	.05	.00	.34	.00	.06	.26	4.0	.06	.00
4	e.87	.00	.10	.05	.00	.33	.00	.06	.24	1.9	.03	.00
5	e.84	.00	.67	.01	.00	.29	.00	.03	2.7	.81	.13	.00

6	.79	.00	.27	.01	.00	.26	.00	.05	.82	.29	.07	.00
7	.53	.00	.12	.00	.00	.22	.02	.06	.39	.12	.03	.00
8	.45	.00	.06	.00	.00	.09	.03	.13	.27	.06	.01	.00
9	.45	.00	.05	.25	.00	.03	.00	.65	.20	.06	.00	.00
10	.42	.00	.03	.32	.02	.00	.00	.88	.16	2.0	.00	.00

11	.41	.00	.03	.11	.00	.00	.00	.79	1.1	.47	.00	3.0
12	.38	.00	.02	.03	.00	.00	.00	1.3	3.9	.20	.00	6.6
13	.30	.00	.02	.01	.00	.00	.00	1.0	2.6	.08	.02	2.9
14	.06	.00	.01	.00	.00	.00	.00	.40	2.6	.03	.00	2.6
15	.02	.00	.04	.00	.00	.00	.00	.16	2.0	.01	.00	.90

16	.05	.00	.03	.00	.02	.00	.02	.23	.76	.01	.00	.40
17	.00	.00	.01	.00	.01	.00	.02	.25	.34	.00	.91	.25
18	.00	.07	.00	.00	.01	.00	.00	.70	.19	.01	.08	.19
19	.00	.35	.00	.00	.01	.01	.19	1.6	.12	.00	.03	.09
20	.00	.04	.00	.00	.01	.08	4.5	1.7	.36	.00	.00	.39

21	.00	.00	.00	.00	.07	.00	5.7	1.7	.14	.00	.00	.14
22	.00	.00	.00	.00	.83	.00	3.0	1.6	.04	.00	.00	2.5
23	.00	.06	.00	.00	1.2	.00	2.1	1.6	.09	.00	.00	3.3
24	.00	.00	.00	.00	1.3	.01	1.4	3.2	1.3	.00	.00	1.3
25	e.00	.00	.00	.00	1.2	.00	.45	.71	1.5	.00	.00	.44

26	e.00	.00	.00	.00	.78	.00	.19	.61	.50	.00	.00	---
27	e.00	.00	.00	.00	.52	.00	.13	.54	.22	.00	.00	---
28	e.08	.00	.00	.00	.44	.00	.08	.70	.24	.00	.00	---
29	e.00	.00	.00	.00	.40	.00	.06	.41	.21	.00	.00	---
30	e.00	.00	.00	.00	---	.00	.05	.26	.06	.03	.00	---

31	e.00	---	.00	.00	---	.00	---	.66	---	1.9	.00	---

TOTAL	8.44	0.52	1.46	0.86	6.82	2.41	17.94	22.25	24.52	12.44	2.13	---
MEAN	.27	.017	.047	.028	.24	.078	.60	.72	.82	.40	.069	---
MAX	1.0	.35	.67	.32	1.3	.39	5.7	3.2	3.9	4.0	.91	---
MIN	.00	.00	.00	.00	.00	.00	.00	.03	.04	.00	.00	---

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1999 - 2000, BY WATER YEAR (WY)
MEAN	.27	.017	.047	.028	.24	.078	.60	.77	1.10	.24	.038	.17
MAX	.27	.017	.047	.028	.24	.078	.60	.81	1.38	.40	.069	.17
(WY)	2000	2000	2000	2000	2000	2000	2000	1999	1999	2000	2000	1999
MIN	.27	.017	.047	.028	.24	.078	.60	.72	.82	.074	.007	.17
(WY)	2000	2000	2000	2000	2000	2000	2000	2000	2000	1999	1999	1999

SUMMARY STATISTICS	WATER YEARS 1999 - 2000
HIGHEST DAILY MEAN	6.6 A	Jun 19 1999
LOWEST DAILY MEAN	.00	B
ANNUAL SEVEN-DAY MINIMUM	.00	Jul 10 1999
INSTANTANEOUS PEAK FLOW	12	Jun 17 1999
INSTANTANEOUS PEAK STAGE	4.06	Jun 17 1999
10 PERCENT EXCEEDS	1.3
50 PERCENT EXCEEDS	.02
90 PERCENT EXCEEDS	.00

A - June 19, 1999 and Sept. 12, 2000.
B - Many days.