USGS CD-ROM: Current Year Discharge

05539000 HICKORY CREEK AT JOLIET, IL

LOCATION.--Lat 41°31'10", long 88°04'10", in SW¼NE¼ sec.15, T.35 N., R.10 E., Will County, Hydrologic Unit 07120004, on right bank at Third Avenue in Joliet, 0.2 mi downstream from Spring Creek, and at mile 1.9.

DRAINAGE AREA.--107 mi².

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

REVISED RECORDS.--WDR IL-91-2: 1981(M).

GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 526.00 ft above sea level. Prior to Oct. 9, 1946, nonrecording gage at same site at datum 1.00 ft higher. Oct. 9, 1946, to Sept. 30, 1974, at datum 1.00 ft higher.

REMARKS.--Records good except those for Feb. 2-11, Mar. 22 - Apr. 20, May 7-15, and July 23 - Aug. 17, which are fair, and those for estimated daily discharges, which are poor. Gage-height telemeter at station.

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	6.5	15	35	e34	75	56	433	143	23	99	16	15
2	6.1	15	26	31	274	51	358	113	21	70	17	14
3	6.5	15	22	45	250	48	228	93	22	66	22	16
4	6.9	15	19	496	174	55	161	86	22	341	900	16
5	8.0	15	17	548	110	65	124	80	24	177	1230	15

6	9.0	16	16	584	87	62	104	241	23	89	369	13
7	8.5	18	16	358	78	56	101	2340	22	313	256	411
8	8.4	16	15	435	69	224	286	1810	21	313	368	207
9	10	15	15	524	61	677	315	754	44	170	235	82
10	11	14	18	335	57	422	215	384	46	96	252	49

11	12	13	23	246	362	316	148	265	315	65	152	36
12	9.2	12	29	165	506	227	116	206	409	50	116	28
13	12	12	26	106	265	163	113	173	181	42	69	23
14	13	14	25	e85	183	146	214	143	104	37	49	22
15	12	16	21	e65	122	134	151	104	94	34	40	21

16	12	18	20	e50	96	122	123	72	69	31	33	21
17	12	20	22	e46	177	366	102	60	53	27	28	19
18	10	16	24	e44	440	1170	84	53	52	24	26	16
19	9.0	15	28	e43	284	897	74	50	140	59	23	15
20	9.9	14	30	e37	192	478	80	45	81	60	20	15

21	9.3	14	29	34	131	315	445	42	56	41	19	13
22	8.1	14	29	32	103	242	295	39	43	40	18	12
23	8.6	13	78	32	87	204	189	45	38	49	16	13
24	9.9	13	76	31	88	175	121	42	33	39	24	13
25	11	12	185	29	80	156	97	36	29	29	38	14

26	17	11	192	27	70	133	99	32	591	25	25	14
27	97	13	105	27	72	94	122	28	457	23	19	e13
28	57	18	68	27	65	124	90	27	256	21	20	13
29	29	40	e48	34	---	135	193	26	172	20	22	14
30	21	53	e41	44	---	103	178	27	147	18	19	21

31	17	---	e37	45	---	165	---	25	---	17	16	---

TOTAL	476.9	505	1335	4639	4558	7581	5359	7584	3588	2485	4457	1194
MEAN	15.4	16.8	43.1	150	163	245	179	245	120	80.2	144	39.8
MAX	97	53	192	584	506	1170	445	2340	591	341	1230	411
MIN	6.1	11	15	27	57	48	74	25	21	17	16	12
CFSM	.14	.16	.40	1.40	1.52	2.29	1.67	2.29	1.12	.75	1.34	.37
IN.	.17	.18	.46	1.61	1.58	2.64	1.86	2.64	1.25	.86	1.55	.42

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1945 - 1998, BY WATER YEAR (WY)
MEAN	38.7	64.1	81.4	83.4	107	172	169	128	100	57.4	34.4	40.6
MAX	458	359	552	306	416	726	566	488	581	432	144	372
(WY)	1955	1991	1983	1974	1997	1979	1947	1974	1981	1957	1998	1961
MIN	3.05	5.34	3.15	3.89	5.54	18.9	13.8	20.1	10.9	7.17	3.36	4.35
(WY)	1964	1964	1964	1963	1963	1964	1963	1985	1988	1988	1964	1966

SUMMARY STATISTICS	FOR 1997 CALENDAR YEAR		FOR 1998 WATER YEAR		WATER YEARS 1945 - 1998
ANNUAL TOTAL	30498.3		43761.9
ANNUAL MEAN	83.6		120		89.5
HIGHEST ANNUAL MEAN					168	1993
LOWEST ANNUAL MEAN					20.8	1963
HIGHEST DAILY MEAN	3720 A	Feb 21	2340	May 7	8400	Jun 13 1981
LOWEST DAILY MEAN	6.1	Oct 2	6.1	Oct 2	.80	Aug 16 1964
ANNUAL SEVEN-DAY MINIMUM	7.0	Sep 29	7.4	Oct 1	1.0	Aug 12 1964
INSTANTANEOUS PEAK FLOW			2990	May 7	17300 B	Jun 13 1981
INSTANTANEOUS PEAK STAGE			6.07	May 7	14.90	Jun 13 1981
INSTANTANEOUS LOW FLOW			5.6	Oct 2	.50	C
ANNUAL RUNOFF (CFSM)	.78		1.12		.84
ANNUAL RUNOFF (INCHES)	10.60		15.21		11.36
10 PERCENT EXCEEDS	146		314		194
50 PERCENT EXCEEDS	40		45		29
90 PERCENT EXCEEDS	11		13		7.4

A - Estimated from floodmark and graph.
B - From rating curve extended above 6,300 ft³/s.
C - Aug. 9, 16, 19, 1964.