05529000 DATA: Discharge Tables, 1998

Station list Available data
ILLINOIS RIVER BASIN

05529000 DES PLAINES RIVER NEAR DES PLAINES, IL

LOCATION.--Lat 42°04'55", long 87°53'25", in SE1/4SE1/4 sec.25, T.42 N., R.11 E., Cook County, Hydrologic Unit 07120004, on right bank 50 ft upstream from Dam No. 2 of Cook County Forest Preserve, 0.3 mi downstream from Lake Avenue Bridge, 1.2 mi upstream from Central Road Bridge, 2.5 mi north of Des Plaines, and at mile 69.3.

DRAINAGE AREA.--360 mi².

PERIOD OF RECORD.--October 1940 to current year.

REVISED RECORDS.--WSP 975: 1942. WDR IL-75-1: Drainage area.

GAGE.--Water-stage recorder and masonry dam. Datum of gage is 626.31 ft above sea level. Prior to Apr. 8, 1941, nonrecording gage at same site and datum.

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

EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of July 4, 1938, reached a stage of 9.0 ft, from floodmark, discharge, 5,000 ft³/s.

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	105	102	277	177	435	465	880	674	172	408	59	69
2	93	94	297	179	654	417	905	602	160	347	59	59
3	89	86	314	316	739	396	858	535	148	334	64	56
4	84	85	324	610	734	378	810	498	132	642	121	53
5	79	81	300	792	707	352	763	446	131	624	122	51

6	74	118	286	898	677	332	735	475	128	477	98	51
7	74	109	277	1160	661	302	731	1140	112	438	136	238
8	75	96	268	1300	646	450	1060	1660	106	401	243	158
9	81	95	258	1330	627	769	1480	1310	135	359	238	95
10	81	96	290	1080	597	737	1460	957	139	313	182	71

11	85	88	345	923	695	680	1190	807	211	275	130	59
12	77	90	323	827	953	622	986	732	265	234	98	52
13	113	90	289	758	980	586	905	785	267	199	89	49
14	131	87	265	e640	951	543	884	877	240	162	80	65
15	109	113	252	e580	900	499	885	794	213	144	96	198

16	92	124	246	e500	857	447	1150	698	169	129	83	174
17	89	120	247	e420	900	504	1740	601	139	118	82	109
18	85	114	243	e390	1040	1080	1840	508	144	90	86	97
19	80	109	241	e350	1020	1400	1730	422	261	81	80	82
20	79	108	242	342	954	1210	1610	352	209	84	77	106

21	82	132	248	301	891	1010	1700	297	152	83	87	137
22	80	154	246	279	810	928	1720	256	126	77	131	103
23	76	157	252	268	755	864	1550	228	102	76	103	75
24	86	150	248	261	709	807	1280	281	78	72	92	73
25	88	143	280	247	645	756	1030	265	74	71	160	73

26	141	152	282	232	588	707	973	241	863	68	109	68
27	313	166	257	233	555	660	963	223	941	60	69	54
28	208	206	229	233	521	615	867	207	826	60	113	51
29	142	219	217	255	---	528	792	222	701	59	120	51
30	136	255	215	286	---	460	737	218	515	58	87	62

31	119	---	198	381	---	611	---	187	---	60	76	---

TOTAL	3246	3739	8256	16548	21201	20115	34214	17498	7859	6603	3370	2639
MEAN	105	125	266	534	757	649	1140	564	262	213	109	88.0
MAX	313	255	345	1330	1040	1400	1840	1660	941	642	243	238
MIN	74	81	198	177	435	302	731	187	74	58	59	49
CFSM	.29	.35	.74	1.48	2.10	1.80	3.17	1.57	.73	.59	.30	.24
IN.	.34	.39	.85	1.71	2.19	2.08	3.54	1.81	.81	.68	.35	.27

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1941 - 1998, BY WATER YEAR (WY)
MEAN	144	212	232	235	305	636	630	403	268	172	129	129
MAX	1453	1187	1368	1046	1070	2216	1990	1557	1224	908	726	1191
(WY)	1987	1986	1983	1960	1974	1979	1993	1996	1996	1993	1972	1972
MIN	.96	3.02	2.73	2.92	5.01	40.7	57.7	41.5	15.3	6.35	.81	.30
(WY)	1945	1954	1945	1945	1963	1945	1945	1946	1963	1946	1944	1944

SUMMARY STATISTICS	FOR 1997 CALENDAR YEAR		FOR 1998 WATER YEAR		WATER YEARS 1941 - 1998
ANNUAL TOTAL	130047		145288
ANNUAL MEAN	356		398		291
HIGHEST ANNUAL MEAN					656	1993
LOWEST ANNUAL MEAN					31.4	1963
HIGHEST DAILY MEAN	3500	Feb 22	1840	Apr 18	4870	Oct 1 1986
LOWEST DAILY MEAN	65	Aug 10	49	Sep 13	.00	A
ANNUAL SEVEN-DAY MINIMUM	71	Sep 10	59	Jul 27	.00	Aug 10 1944
INSTANTANEOUS PEAK FLOW			1860	Apr 17	4900	Oct 1 1986
INSTANTANEOUS PEAK STAGE			4.10	Apr 17	10.88	Oct 1 1986
INSTANTANEOUS LOW FLOW			45	Sep 13,14
ANNUAL RUNOFF (CFSM)	.99		1.11		.81
ANNUAL RUNOFF (INCHES)	13.44		15.01		10.98
10 PERCENT EXCEEDS	681		933		768
50 PERCENT EXCEEDS	264		246		131
90 PERCENT EXCEEDS	85		76		10

A - Many days in 1944, 1946 and Aug. 7, 8, 1962.