05525500 DATA: Discharge Tables, 1999

Station list Available data
ILLINOIS RIVER BASIN

05525500 SUGAR CREEK AT MILFORD, IL

LOCATION.--Lat 40°37'50", long 87°43'25", in NW1/4NE1/4 sec.16, T.25 N., R.12 W., Iroquois County, Hydrologic Unit 07120002, on pier at downstream side of bridge on County Highway 9, 200 ft downstream from Mud Creek, 1 mi west of Milford, and at mile 23.9.

DRAINAGE AREA.--446 mi².

PERIOD OF RECORD.--July 1948 to current year.

REVISED RECORDS.--WDR IL-75-1: Drainage area.

GAGE.--Water-stage recorder. Datum of gage is 622.00 ft above sea level. Prior to July 23, 1970, nonrecording gage at same site and datum.

REMARKS.--Records good except those for estimated daily discharges, which are poor. Gage-height telemeter at station.

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	14	13	17	12	382	363	163	500	189	185	15	10
2	14	13	15	15	482	327	158	432	659	248	14	9.9
3	14	13	15	15	518	943	151	387	966	208	13	9.4
4	15	13	14	13	436	1070	156	354	617	165	13	9.1
5	15	13	14	e12	317	734	153	331	512	134	12	8.7

6	15	12	15	e13	281	867	150	309	546	114	15	8.2
7	14	11	19	e14	377	986	139	396	428	100	14	7.9
8	11	11	17	e13	1450	720	134	398	324	88	14	7.5
9	9.1	12	15	e12	1610	578	150	310	270	79	14	7.1
10	8.0	21	15	e12	1160	456	145	256	237	69	14	7.0

11	7.4	27	14	e11	801	355	476	233	228	60	13	7.0
12	7.0	32	14	e11	751	317	762	221	272	55	13	7.0
13	7.3	26	14	e11	697	313	422	470	630	50	42	7.0
14	7.3	21	14	e11	501	320	316	1180	604	44	37	6.8
15	8.5	19	14	e11	400	310	324	1100	454	38	24	6.3

16	9.4	17	14	e12	359	401	1840	783	300	34	18	6.0
17	9.8	16	13	e25	337	781	5470	518	244	34	15	6.2
18	11	15	13	e60	323	699	4190	404	205	46	14	6.0
19	11	15	15	e140	289	468	2620	334	185	52	14	6.1
20	10	14	17	e120	251	367	1620	283	171	52	13	6.0

21	9.5	13	17	101	219	334	1170	262	160	63	12	5.9
22	9.1	13	13	393	194	290	1280	301	153	46	12	6.0
23	8.9	13	11	2640	189	255	1080	328	240	34	11	5.3
24	8.9	13	12	5260	183	236	857	352	291	27	20	5.3
25	9.1	13	12	3760	176	211	679	337	549	23	28	5.3

26	10	14	12	2160	163	191	570	271	416	22	19	5.3
27	12	14	12	1360	190	183	490	227	304	24	17	5.0
28	13	14	13	1130	305	178	547	204	242	25	14	5.6
29	13	14	13	757	---	172	847	189	192	24	11	15
30	13	14	10	521	---	160	633	176	157	21	11	16

31	13	---	11	405	---	157	---	184	---	17	10	---

TOTAL	337.3	469	434	19030	13341	13742	27692	12030	10745	2181	506	223.9
MEAN	10.9	15.6	14.0	614	476	443	923	388	358	70.4	16.3	7.46
MAX	15	32	19	5260	1610	1070	5470	1180	966	248	42	16
MIN	7.0	11	10	11	163	157	134	176	153	17	10	5.0
CFSM	.02	.04	.03	1.38	1.07	.99	2.07	.87	.80	.16	.04	.02
IN.	.03	.04	.04	1.59	1.11	1.15	2.31	1.00	.90	.18	.04	.02

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 1999, BY WATER YEAR (WY)
MEAN	116	228	368	413	526	666	712	569	500	311	101	110
MAX	1290	1964	1361	2240	1918	1915	1908	1824	1722	1599	814	1250
(WY)	1994	1986	1991	1950	1951	1979	1994	1998	1980	1993	1977	1993
MIN	4.55	7.69	5.57	4.06	12.0	64.5	110	56.6	27.2	10.8	6.13	4.27
(WY)	1964	1964	1964	1977	1963	1981	1986	1988	1988	1988	1988	1988

SUMMARY STATISTICS	FOR 1998 CALENDAR YEAR		FOR 1999 WATER YEAR		WATER YEARS 1948 - 1999
ANNUAL TOTAL	243387.3		100731.2
ANNUAL MEAN	667		276		384
HIGHEST ANNUAL MEAN					855	1993
LOWEST ANNUAL MEAN					87.2	1954
HIGHEST DAILY MEAN	8070	May 8	5470	Apr 17	15200	Apr 13 1994
LOWEST DAILY MEAN	7.0	Oct 12	5.0	Sep 27	2.5	Sep 1 1972
ANNUAL SEVEN-DAY MINIMUM	7.8	Oct 9	5.4	Sep 22	2.9	Sep 11 1988
INSTANTANEOUS PEAK FLOW			6080	Apr 17	22900 A	Feb 21 1951
INSTANTANEOUS PEAK STAGE			18.91	Apr 17	28.16	Apr 12 1994
INSTANTANEOUS LOW FLOW			4.7	Sep 27-28	2.0	B
ANNUAL RUNOFF (CFSM)	1.50		.62		.86
ANNUAL RUNOFF (INCHES)	20.30		8.40		11.70
10 PERCENT EXCEEDS	1790		686		1000
50 PERCENT EXCEEDS	196		44		128
90 PERCENT EXCEEDS	13		9.3		11

A - Gage height, 20-90 ft, from rating curve extended above 8,200 ft³/s.
B - Sept. 1, 2, 7, 1972 ; Oct. 8, 1994.