05550500 DATA: Discharge Tables, 2000

Station list Available data
ILLINOIS RIVER BASIN

05550500 POPLAR CREEK AT ELGIN, IL

LOCATION.-- Lat 42°01'35", long 88°15'20", in SE1/4NW1/4 sec.19, T.41 N., R.9 E., Cook County, Hydrologic Unit 07120006, on right bank 35 ft upstream from bridge on U.S. Highway B.R. 20 (Villa Street) in Elgin, and at mile 2.3.

DRAINAGE AREA.-- 35.2 mi².

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

DISCHARGE: August 1951 to current year.

STAGE: Water years 1994-2000.

SURFACE-WATER QUALITY

CHEMICAL: Water years 1977-91.

REVISED RECORDS.-- WSP 1338: 1952-53. WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 716.00 ft above sea level.

REMARKS FOR CURRENT YEAR.-- Records fair 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	23	e2.0	e2.1	1.4	e2.6	29	5.5	21	41	18	85	1.6
2	14	e2.1	e2.1	1.7	e2.6	22	7.7	21	81	21	54	1.3
3	17	e2.3	e2.7	1.9	e2.7	17	5.6	18	71	136	33	1.2
4	39	e2.7	14	4.0	e2.7	16	4.5	15	46	128	23	1.0
5	31	e2.1	79	4.9	e2.7	14	3.6	14	79	68	20	1.3

6	22	e1.3	102	4.9	e2.7	11	3.3	12	98	47	25	.97
7	16	e1.1	48	3.6	e2.7	10	4.3	12	63	35	20	.98
8	13	e1.3	26	3.4	e2.8	9.3	12	11	39	27	15	1.9
9	10	e1.4	15	6.7	e3.7	9.5	17	39	27	20	11	2.1
10	9.5	e1.4	10	21	e5.0	11	14	85	18	99	7.7	1.9

11	7.1	e1.3	6.0	28	e6.2	8.3	14	63	22	130	6.2	34
12	5.7	e1.1	4.4	25	e7.4	6.8	13	53	50	76	4.8	169
13	7.9	e1.2	3.7	21	e6.9	5.9	11	50	69	52	4.2	198
14	5.9	e1.3	3.4	17	e6.4	5.3	7.1	35	68	36	3.6	106
15	4.9	e1.3	3.4	e13	e6.2	5.1	6.1	23	53	24	2.7	57

16	4.5	e1.4	4.1	e12	e6.4	6.3	8.1	23	39	18	2.5	34
17	4.6	e1.4	3.8	e10	e9.0	6.2	57	28	31	14	13	21
18	4.5	e1.3	3.6	e8.4	14	5.0	64	43	26	11	18	14
19	4.0	e1.3	3.7	e6.8	19	4.8	67	104	21	9.7	11	9.6
20	3.9	e1.4	2.8	e5.7	19	9.8	269	84	26	7.8	7.1	9.4

21	3.6	e1.6	2.8	e5.0	19	15	520	56	39	7.8	5.1	17
22	3.5	e2.0	2.2	e4.4	54	14	336	40	26	6.6	3.9	36
23	e3.2	e5.6	1.8	e4.1	95	12	207	31	16	5.0	3.0	119
24	e2.9	e9.0	1.7	e3.6	107	10	134	22	37	3.3	2.4	127
25	e2.6	e4.6	1.5	e3.3	114	11	88	16	139	2.9	2.2	78

26	e2.1	e3.3	1.4	e3.0	86	9.8	64	13	114	2.4	4.9	47
27	e1.8	e2.7	1.3	e2.9	65	8.5	46	13	60	2.1	7.0	33
28	e2.1	e2.6	1.1	e2.8	47	9.3	37	24	40	2.1	6.6	25
29	e2.0	e2.5	1.2	e2.7	35	7.4	29	31	33	2.9	4.0	17
30	e1.9	e2.2	1.4	e2.6	---	6.0	25	26	24	2.7	2.9	14

31	e2.2	---	1.3	e2.6	---	5.7	---	27	---	48	2.3	---

TOTAL	275.4	66.8	357.5	237.4	752.7	321.0	2079.8	1053	1496	1063.3	411.1	1179.25
MEAN	8.88	2.23	11.5	7.66	26.0	10.4	69.3	34.0	49.9	34.3	13.3	39.3
MAX	39	9.0	102	28	114	29	520	104	139	136	85	198
MIN	1.8	1.1	1.1	1.4	2.6	4.8	3.3	11	16	2.1	2.2	.97
CFSM	.25	.06	.33	.22	.74	.29	1.97	.96	1.42	.97	.38	1.12
IN.	.29	.07	.38	.25	.80	.34	2.20	1.11	1.58	1.12	.43	1.25

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 2000, BY WATER YEAR (WY)
MEAN	13.7	21.1	23.1	22.3	29.3	48.5	54.0	35.2	27.7	15.6	15.5	13.2
MAX	64.6	133	113	85.1	129	235	146	130	102	92.4	103	94.6
(WY)	1973	1986	1983	1993	1997	1979	1983	1974	1996	1993	1990	1972
MIN	.50	.25	.60	.91	.72	4.76	9.51	3.50	.97	1.27	.87	.25
(WY)	1957	1954	1957	1959	1978	1956	1986	1989	1963	1988	1956	1956

SUMMARY STATISTICS	FOR 1999 CALENDAR YEAR		FOR 2000 WATER YEAR		WATER YEARS 1951 - 2000
ANNUAL TOTAL	12765.6		9293.25
ANNUAL MEAN	35.0		25.4		26.6
HIGHEST ANNUAL MEAN					52.6	1993
LOWEST ANNUAL MEAN					4.69	1963
HIGHEST DAILY MEAN	785	Apr 23	520	Apr 21	861	Feb 22 1997
LOWEST DAILY MEAN	1.1	A	.97	Sep 6	.10	Sep 16 1956
ANNUAL SEVEN-DAY MINIMUM	1.3	Nov 7	1.2	Sep 1	.10	Sep 9 1958
INSTANTANEOUS PEAK FLOW			555	Apr 21	1180	Feb 21 1997
INSTANTANEOUS PEAK STAGE			4.33	Apr 21	6.78	Feb 21 1997
INSTANTANEOUS LOW FLOW			.63	Sep 4	.00	B
ANNUAL RUNOFF (CFSM)	.99		.72		.75
ANNUAL RUNOFF (INCHES)	13.49		9.82		10.26
10 PERCENT EXCEEDS	81		67		65
50 PERCENT EXCEEDS	11		9.6		10
90 PERCENT EXCEEDS	1.6		1.9		1.2

A - Nov. 7, 12, estimated; Dec. 28.
B - July 10, 1957, Sept. 14, 1958, July 18, 1989, Oct. 6, 1997.