05550300 DATA: Discharge Tables, 2000

Station list Available data
ILLINOIS RIVER BASIN

05550300 TYLER CREEK AT ELGIN, IL

LOCATION.-- Lat 42°03'31", long 88°18'14", in SE1/4SE1/4 sec.3, T.41 N., R.9 E., Kane County, Hydrologic Unit 07120006, on right bank 50 ft upstream from bridge on Big Timber Road, .5 mi west of Elgin, and at mile 1.6.

DRAINAGE AREA.-- 38.9 mi².

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

DISCHARGE: May 1998 to current year.

STAGE: Water years 1998-2000.

PARTIAL RECORD: Miscellaneous discharge measurements, November 1990.

PRECIPITATION: October 1998 to current year.

GAGE.-- Water-stage recorder, phone telemeter, rain gage, and crest-stage gage. Datum of gage is 745.00 ft above sea level.

REMARKS.-- Collection, computation and publication of precipitation data do not necessarily conform to standards used by the National Weather Service. Precipitation data could be subject to error for days with freezing and/or thawing of precipitation.

EXTREMES FOR PERIOD OF RECORD.--
PRECIPITATION: Maximum, 3.06 in., October 17, 1998.

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	32	e8.5	3.2	4.7	6.1	41	9.5	28	57	30	47	e2.7
2	24	e8.4	3.2	6.5	6.1	34	10	27	122	62	30	e2.5
3	31	e8.4	4.6	11	e6.6	30	10	25	83	125	20	e2.4
4	38	e8.3	12	12	e6.8	28	8.9	25	60	82	14	e2.4
5	30	e8.3	47	9.8	e6.5	26	8.2	23	75	57	15	e2.4

6	23	e8.2	40	9.3	e6.6	24	8.1	21	56	44	13	e2.4
7	19	e8.2	27	7.0	6.1	23	12	20	42	35	11	e2.6
8	17	e8.1	21	7.3	e6.6	22	13	22	32	31	11	e2.8
9	16	e8.2	18	13	7.1	21	18	50	27	27	8.8	e3.0
10	15	e8.1	15	25	8.4	18	14	70	24	119	6.8	e2.7

11	12	e8.0	14	27	8.6	17	13	53	31	83	5.7	59
12	11	e8.0	13	20	13	16	11	42	64	61	5.2	69
13	11	e8.0	12	15	8.0	16	9.9	33	118	47	5.9	33
14	10	e7.6	10	14	7.8	16	10	27	111	33	4.7	26
15	9.8	e6.4	12	12	7.6	16	9.4	24	102	27	4.3	17

16	10	e6.4	12	9.8	7.7	15	16	27	80	22	3.9	10
17	9.1	e6.5	9.5	6.4	9.6	13	19	27	56	19	14	7.0
18	8.6	e5.9	11	9.1	7.5	13	17	43	41	17	8.0	5.3
19	8.3	5.3	8.0	9.3	9.3	15	37	98	34	15	5.4	4.3
20	e8.0	4.8	9.2	e8.8	8.1	22	165	68	46	14	4.3	9.0

21	e7.8	5.3	e8.7	e8.3	12	20	225	49	39	12	4.1	6.5
22	e7.7	5.5	e8.2	e7.9	28	18	151	40	30	10	4.1	42
23	e7.6	13	e7.7	e7.6	97	16	109	34	25	9.2	4.0	73
24	e7.6	6.0	e7.3	e7.3	163	17	86	27	74	8.0	3.7	57
25	e8.3	5.5	e6.8	e7.1	138	16	63	22	161	7.7	3.6	40

26	e10	4.6	e6.4	e6.9	103	14	49	22	118	7.1	4.0	29
27	e9.8	4.3	e5.9	e6.7	78	13	40	23	81	6.5	3.2	23
28	e9.4	3.9	e5.5	e6.5	58	13	36	36	58	7.2	3.0	18
29	e8.9	3.6	e5.2	e6.4	49	11	33	39	45	6.6	3.1	15
30	e8.7	3.3	4.6	5.9	---	9.8	28	31	36	12	e2.9	13

31	e8.6	---	4.5	7.8	---	9.4	---	36	---	72	e2.8	---

TOTAL	437.2	204.6	372.5	315.4	880.1	583.2	1239.0	1112	1928	1108.3	276.5	582.0
MEAN	14.1	6.82	12.0	10.2	30.3	18.8	41.3	35.9	64.3	35.8	8.92	19.4
MAX	38	13	47	27	163	41	225	98	161	125	47	73
MIN	7.6	3.3	3.2	4.7	6.1	9.4	8.1	20	24	6.5	2.8	2.4
CFSM	.36	.18	.31	.26	.78	.48	1.06	.92	1.65	.92	.23	.50
IN.	.42	.20	.36	.30	.84	.56	1.18	1.06	1.84	1.06	.26	.56

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1998 - 2000, BY WATER YEAR (WY)
MEAN	18.7	14.7	15.5	38.9	46.9	28.1	79.0	39.4	67.3	21.7	7.17	12.0
MAX	23.2	22.6	18.9	67.6	64.0	37.3	117	42.9	105	35.8	8.92	19.4
(WY)	1999	1999	1999	1999	1999	1999	1999	1999	1999	2000	2000	2000
MIN	14.1	6.82	12.0	10.2	30.3	18.8	41.3	35.9	33.2	11.6	6.08	4.14
(WY)	2000	2000	2000	2000	2000	2000	2000	2000	1998	1998	1998	1998

SUMMARY STATISTICS	FOR 1999 CALENDAR YEAR		FOR 2000 WATER YEAR		WATER YEARS 1998 - 2000
ANNUAL TOTAL	15155.9		9038.8
ANNUAL MEAN	41.5		24.7
HIGHEST ANNUAL MEAN					44.2	1999
LOWEST ANNUAL MEAN					24.7	2000
HIGHEST DAILY MEAN	571	Jun 14	225	Apr 21	571	Jun 14 1999
LOWEST DAILY MEAN	1.8 A	Sep 10,11	2.4 A	Sep 3-6	1.8 A	Sep 10,11 1999
ANNUAL SEVEN-DAY MINIMUM	2.1 A	Sep 6	2.5	Sep 1	2.1 A	Sep 6 1999
INSTANTANEOUS PEAK FLOW			735	Jul 2	953	Jun 13 1999
INSTANTANEOUS PEAK STAGE			7.44	Jul 2	8.23	Jun 13 1999
INSTANTANEOUS LOW FLOW			2.4 B	Sep 5
ANNUAL RUNOFF (CFSM)	1.07		.63
ANNUAL RUNOFF (INCHES)	14.49		8.64
10 PERCENT EXCEEDS	95		59		72
50 PERCENT EXCEEDS	21		13		15
90 PERCENT EXCEEDS	4.6		4.7		3.6

A - Estimated.
B - Observed, but may have been less during period of estimated daily discharges in August and September.