05584500 DATA: Discharge Tables, 1999

Station list Available data
ILLINOIS RIVER BASIN

05584500 LA MOINE RIVER AT COLMAR, IL

LOCATION.--Lat 40°19'45", long 90°53'55", in SE1/4SW1/4 sec.18, T.4 N., R.4 W., McDonough County, Hydrologic Unit 07130010, on right bank at downstream side of bridge on State Highway 61, 0.2 mi downstream from a railroad bridge, 1 mi southwest of Colmar, 1.8 mi upstream from Troublesome Creek, and at mile 61.8.

DRAINAGE AREA.--655 mi².

PERIOD OF RECORD.--October 1944 to current year.

GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 491.53 ft above sea level. Prior to July 13, 1945, nonrecording gage at same site and datum.

REMARKS.--Records good except those for estimated daily discharges, which are poor. U.S. Army Corps of Engineers satellite 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	106	146	251	e150	1820	422	255	1040	284	936	98	14
2	56	370	229	e190	1790	358	259	838	1160	620	82	13
3	43	1770	210	e180	1740	337	255	717	1190	439	72	12
4	36	1460	215	e170	1360	305	549	639	742	246	62	11
5	420	819	215	e160	1030	296	482	807	958	187	56	11

6	1390	569	573	e200	868	461	1090	694	789	153	51	10
7	432	445	2890	e180	891	356	783	586	516	131	50	9.9
8	200	432	2190	e170	851	290	505	518	415	117	52	9.7
9	129	728	1090	e165	700	245	1520	459	1010	109	52	9.0
10	97	2730	758	e160	610	e350	1880	415	2160	102	48	8.5

11	78	3630	605	e155	644	e370	945	390	1450	96	35	8.4
12	66	3350	523	e150	990	e360	666	381	785	88	38	8.9
13	56	1410	475	e145	750	e370	526	560	559	78	54	8.8
14	48	858	432	e140	580	e430	470	1030	580	72	74	8.4
15	43	698	387	e135	564	e550	1180	1100	517	67	56	9.2

16	40	574	359	e130	539	e750	4430	910	389	62	40	8.5
17	52	513	348	e130	493	e850	4790	1360	346	57	32	8.3
18	1430	443	331	e140	448	e700	4160	2010	314	52	30	7.9
19	1490	403	317	e145	418	e600	2020	1690	283	49	66	7.9
20	629	376	295	e150	393	e540	1250	1380	265	83	44	8.7

21	372	336	261	e180	362	e470	1010	801	248	1060	33	12
22	268	314	197	e2000	331	e420	936	662	232	1480	26	12
23	209	305	e170	e3000	326	e380	1560	573	221	643	23	9.0
24	178	296	e150	e4000	361	345	1290	498	301	214	21	8.1
25	161	270	e180	e4500	354	326	942	436	225	129	29	7.7

26	149	264	e190	3330	341	298	784	389	198	100	30	7.6
27	139	257	e180	2400	448	284	797	352	178	110	29	7.4
28	151	238	e170	3020	515	285	1870	324	171	566	24	642
29	183	232	e160	2370	---	295	2550	305	175	310	20	1760
30	189	240	e140	1630	---	276	1540	287	166	213	17	680

31	161	---	e130	1420	---	255	---	273	---	126	15	---

TOTAL	9001	24476	14621	30995	20517	12574	41294	22424	16827	8695	1359	3338.9
MEAN	290	816	472	1000	733	406	1376	723	561	280	43.8	111
MAX	1490	3630	2890	4500	1820	850	4790	2010	2160	1480	98	1760
MIN	36	146	130	130	326	245	255	273	166	49	15	7.4
CFSM	.44	1.25	.72	1.53	1.12	.62	2.10	1.10	.86	.43	.07	.17
IN.	.51	1.39	.83	1.76	1.17	.71	2.35	1.27	.96	.49	.08	.19

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1945 - 1999, BY WATER YEAR (WY)
MEAN	266	271	273	353	517	730	839	759	679	466	161	268
MAX	3502	2693	2686	2077	2199	3734	3193	4471	3081	4194	899	4024
(WY)	1987	1986	1983	1974	1949	1985	1973	1995	1974	1993	1993	1961
MIN	.67	2.61	2.54	3.33	5.70	30.5	22.9	20.8	21.1	3.89	2.82	1.75
(WY)	1989	1990	1990	1956	1989	1956	1956	1956	1988	1988	1988	1988

SUMMARY STATISTICS	FOR 1998 CALENDAR YEAR		FOR 1999 WATER YEAR		WATER YEARS 1945 - 1999
ANNUAL TOTAL	300933.7		206121.9
ANNUAL MEAN	824		565		464
HIGHEST ANNUAL MEAN					1347	1993
LOWEST ANNUAL MEAN					23.1	1989
HIGHEST DAILY MEAN	5340	Mar 19	4790	Apr 17	35600	Mar 5 1985
LOWEST DAILY MEAN	9.1	Sep 13	7.4	Sep 27	.00	Oct 19 1988
ANNUAL SEVEN-DAY MINIMUM	10	Sep 7	8.4	Sep 14	.12	Oct 16 1988
INSTANTANEOUS PEAK FLOW			4900 A	Apr 17	38900 B	Mar 5 1985
INSTANTANEOUS PEAK STAGE			21.02 C	Jan 25	27.03 C	Jan 3 1965
INSTANTANEOUS LOW FLOW			7.2	Sep 27
ANNUAL RUNOFF (CFSM)	1.26		.86		.71
ANNUAL RUNOFF (INCHES)	17.09		11.71		9.63
10 PERCENT EXCEEDS	2170		1440		1010
50 PERCENT EXCEEDS	475		314		126
90 PERCENT EXCEEDS	32		30		9.7

A - Gage height, 20.50 ft.
B - Gage height, 26.61 ft.
C - Ice jam.