USGS CD-ROM: Current Year Discharge

05593945 SHOAL CREEK NEAR PIERRON, IL

LOCATION.--Lat 38°46'33", long 89°29'56", in NW¼SW¼ sec. 24, T.4 N., R.4 W., Bond County, Hydrologic Unit 07140203, on left bank at upstream side of bridge on State Highway 143, 1.1 mi east of Baden Baden, 6.5 mi east of Pierron, and at mile 43.0.

DRAINAGE AREA.--678 mi².

PERIOD OF RECORD.--May, 1995 to current year. Gage-height record for Dec. 16, 1970 to May 30, 1978, and Apr. 5, 1995 to May 5, 1995 available in files of U.S. Army Corps of Engineers.

GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 400.00 ft above sea level (levels by U.S. Army Corps of Engineers).

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

EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Apr. 23, 1973 reached a stage of 59.48 ft, discharge 14,900 ft³/s, from information by the U.S. Army Corps of Engineers.

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	7.7	e7.0	45	e23	84	455	1350	669	202	868	446	208
2	7.7	e7.2	65	e21	73	286	1050	704	180	548	253	211
3	6.8	e7.6	45	e20	65	226	931	1100	144	354	161	135
4	6.3	e9.0	172	e22	60	194	2250	2030	208	262	121	74
5	6.0	e11	225	37	57	184	2320	1990	635	211	2370	56

6	5.8	e15	220	100	55	193	1320	1100	477	254	2920	48
7	7.0	e20	221	146	52	185	878	839	253	254	2910	44
8	6.2	e32	219	511	48	542	686	833	295	475	3110	40
9	6.4	e29	219	1780	46	2480	567	720	1480	463	1430	38
10	8.0	e25	221	1020	44	2580	482	564	1920	218	795	35

11	6.6	e22	226	538	50	1420	404	435	1070	305	597	33
12	5.4	e19	223	407	75	778	332	340	2220	835	428	32
13	8.2	e17	219	358	160	548	291	276	2820	426	293	30
14	8.5	e15	209	328	125	462	404	390	2170	276	223	30
15	10	e15	194	356	93	457	1240	441	3350	195	179	31

16	11	e16	189	362	87	389	4060	280	4340	151	160	29
17	9.3	e17	167	306	351	459	5600	230	4220	124	132	31
18	9.6	e20	63	148	2090	2220	2680	189	4100	335	534	31
19	9.1	e21	30	93	1750	3280	991	152	2610	254	904	31
20	7.8	e22	22	93	792	3860	639	123	1530	127	648	31

21	7.1	e20	20	86	563	5950	509	115	2190	89	353	35
22	6.7	e17	32	76	422	8310	442	1260	2040	182	234	30
23	7.9	e14	32	73	323	7660	377	3570	1560	1110	176	25
24	12	e12	62	71	259	3530	323	3750	1470	729	139	24
25	13	e10	199	68	213	1480	277	2120	914	305	108	297

26	e11	e8.5	219	66	184	946	250	1190	598	180	94	425
27	e10	e7.5	105	76	529	741	220	789	432	152	77	153
28	e8.5	e7.0	68	103	900	2390	212	550	321	120	67	81
29	e7.5	e8.0	50	111	---	4140	388	412	387	96	63	53
30	e7.2	e20	39	107	---	3950	784	318	593	874	57	42

31	e7.0	---	32	98	---	1990	---	258	---	1170	71	---

TOTAL	251.3	470.8	4052	7604	9550	62285	32257	27737	44729	11942	20053	2363
MEAN	8.11	15.7	131	245	341	2009	1075	895	1491	385	647	78.8
MAX	13	32	226	1780	2090	8310	5600	3750	4340	1170	3110	425
MIN	5.4	7.0	20	20	44	184	212	115	144	89	57	24
CFSM	.01	.02	.19	.36	.50	2.96	1.59	1.32	2.20	.57	.95	.12
IN.	.01	.03	.22	.42	.52	3.42	1.77	1.52	2.45	.66	1.10	.13

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1995 - 1998, BY WATER YEAR (WY)
MEAN	13.7	95.9	143	376	595	1166	873	1149	617	245	224	31.6
MAX	16.6	250	204	484	1302	2009	1385	2414	1491	385	647	78.8
(WY)	1996	1997	1997	1996	1997	1998	1996	1996	1998	1998	1998	1998
MIN	8.11	15.7	95.0	245	156	168	157	140	258	34.3	16.9	12.5
(WY)	1998	1998	1996	1998	1996	1996	1997	1997	1997	1997	1997	1997

SUMMARY STATISTICS	FOR 1997 CALENDAR YEAR		FOR 1998 WATER YEAR		WATER YEARS 1995 - 1998
ANNUAL TOTAL	113317.2		223294.1
ANNUAL MEAN	310		612		472
HIGHEST ANNUAL MEAN					612	1998
LOWEST ANNUAL MEAN					337	1997
HIGHEST DAILY MEAN	7830	Mar 1	8310	Mar 22	15900	May 19 1995
LOWEST DAILY MEAN	5.4	Oct 12	5.4	Oct 12	5.4	Oct 12 1997
ANNUAL SEVEN-DAY MINIMUM	6.4	Oct 3	6.4	Oct 3	6.4	Oct 3 1997
INSTANTANEOUS PEAK FLOW			9040	Mar 22	17700	May 19 1995
INSTANTANEOUS PEAK STAGE			58.82	Mar 22	60.21	May 19 1995
INSTANTANEOUS LOW FLOW			4.7	Oct 13	4.7	Oct 13 1997
ANNUAL RUNOFF (CFSM)	.46		.90		.70
ANNUAL RUNOFF (INCHES)	6.22		12.25		9.45
10 PERCENT EXCEEDS	696		2010		1230
50 PERCENT EXCEEDS	53		209		105
90 PERCENT EXCEEDS	9.1		11		15