05529000 DATA: Discharge Tables, 1999

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 1998 TO SEPTEMBER 1999 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	61	203	123	e54	1370	363	261	1770	338	274	43	46
2	62	166	129	51	1430	360	245	1440	754	235	41	38
3	104	141	125	54	1480	352	231	1100	670	201	41	43
4	101	127	122	89	1450	346	237	931	505	172	40	42
5	217	111	123	117	1340	343	245	816	432	146	36	38

6	218	99	192	129	1250	344	257	745	406	130	45	37
7	174	82	475	120	1100	338	259	679	455	112	36	33
8	144	76	493	110	993	315	281	581	339	94	44	35
9	120	74	432	92	928	320	e550	483	281	104	58	34
10	104	531	391	81	869	300	e690	404	268	80	51	32

11	82	706	355	e73	839	303	e700	352	351	73	40	32
12	71	565	326	e70	893	341	e695	e350	411	71	59	37
13	63	497	286	e68	892	336	665	e340	1080	56	92	53
14	61	432	253	70	856	329	609	334	2170	65	69	50
15	57	396	222	71	815	342	628	288	1810	60	55	44

16	50	366	199	e70	778	403	e1100	264	1350	57	51	41
17	442	341	189	e74	741	668	e1200	356	1110	61	48	40
18	1590	312	180	e84	694	830	e1150	411	1030	61	65	38
19	851	289	177	e88	649	776	e1050	452	983	62	242	41
20	467	249	175	e89	608	731	e1000	441	945	61	148	54

21	314	200	169	158	563	685	e1100	422	912	60	81	64
22	247	165	146	960	508	648	e1500	452	871	60	62	53
23	197	146	108	1680	448	620	e2200	435	824	60	60	48
24	147	134	123	2070	391	571	3330	402	769	134	113	46
25	123	128	102	1980	344	539	2860	347	692	84	157	48

26	113	118	90	1730	325	471	2480	298	592	68	135	46
27	121	112	85	1470	381	402	2270	262	481	60	93	64
28	144	105	78	1410	383	356	2520	237	422	44	72	487
29	135	93	77	1380	---	324	2400	215	e350	55	63	634
30	243	129	62	1350	---	299	2110	191	e300	53	57	396

31	279	---	e58	1370	---	274	---	200	---	46	53	---

TOTAL	7102	7093	6065	17212	23318	13629	34823	15998	21901	2899	2250	2694
MEAN	229	236	196	555	833	440	1161	516	730	93.5	72.6	89.8
MAX	1590	706	493	2070	1480	830	3330	1770	2170	274	242	634
MIN	50	74	58	51	325	274	231	191	268	44	36	32
CFSM	.64	.66	.54	1.54	2.31	1.22	3.22	1.43	2.03	.26	.20	.25
IN.	.73	.73	.63	1.78	2.41	1.41	3.60	1.65	2.26	.30	.23	.28

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1941 - 1999, BY WATER YEAR (WY)
MEAN	145	213	231	241	314	633	639	405	276	170	128	128
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 1998 CALENDAR YEAR		FOR 1999 WATER YEAR		WATER YEARS 1941 - 1999
ANNUAL TOTAL	150307		154984
ANNUAL MEAN	412		425		293
HIGHEST ANNUAL MEAN					656	1993
LOWEST ANNUAL MEAN					31.4	1963
HIGHEST DAILY MEAN	1840	Apr 18	3330	Apr 24	4870	Oct 1 1986
LOWEST DAILY MEAN	49	Sep 13	32	Sep 10, 11	.00	A
ANNUAL SEVEN-DAY MINIMUM	58	Sep 26	34	Sep 6	.00	Aug 10 1944
INSTANTANEOUS PEAK FLOW			3420	Apr 24	4900	Oct 1 1986
INSTANTANEOUS PEAK STAGE			7.80	Apr 24	10.88	Oct 1 1986
INSTANTANEOUS LOW FLOW			29	Aug 7
ANNUAL RUNOFF (CFSM)	1.14		1.18		.81
ANNUAL RUNOFF (INCHES)	15.53		16.02		11.07
10 PERCENT EXCEEDS	945		1100		771
50 PERCENT EXCEEDS	247		245		132
90 PERCENT EXCEEDS	72		51		10

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