05419000 DATA: Discharge Tables, 2000

Station list Available data
APPLE RIVER BASIN

05419000 APPLE RIVER NEAR HANOVER, IL

LOCATION.-- Lat 42°15'09", long 90°17'09", in NE1/4NW1/4 sec.16, T.26 N., R.2 E., Jo Daviess County, Hydrologic Unit 07060005, on right bank, 0.3 mi southwest of Hanover, and at mile 13.9.

DRAINAGE AREA.-- 247 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE

DISCHARGE: October 1934 to current year. Monthly discharge only for some periods, published in WSP 1308.

STAGE: Water years 1994-2000.

SURFACE-WATER QUALITY

SEDIMENT: October 1994 to September 1997.

REVISED RECORDS.-- WSP 1005: 1939, 1941(M). WSP 1308: 1935-38(M), 1943-45(M). WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 591.00 ft above sea level. Prior to Oct. 1, 1945, nonrecording gage at site 3.5 mi downstream at datum 9.48 ft lower.

REMARKS.-- Occasional regulation during low flow by dam at Hanover. Suspended-sediment samples were collected by a local observer once a week with additional samples collected during storm runoff periods.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 12,000 ft³/s, Jan. 5, 1946; maximum gage height, 26.12 ft, Jan. 5, 1946, ice jam; no flow for part of each day May 23, 24, 1967, result of temporary closure of gate at dam at Hanover.
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily, 3,790 mg/L, May 28, 1996; minimum daily, 5 mg/L, Aug. 5, 1997.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 28,900 tons, May 28, 1996; minimum daily, 0.8 tons, Aug. 5, 1997

REMARKS FOR CURRENT YEAR.-- Records fair except those for estimated daily discharges, which are poor.

DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	60	54	54	48	e43	194	57	121	1970	207	95	56
2	60	53	57	54	e44	160	58	116	828	507	97	54
3	63	54	61	59	e45	140	57	104	476	1020	89	56
4	68	53	62	59	e47	131	55	100	358	449	81	55
5	63	54	64	e58	e48	122	53	98	342	355	86	51

6	60	53	61	57	e49	113	53	94	302	306	94	47
7	57	52	60	52	e50	103	60	93	260	264	95	47
8	57	52	55	52	e51	98	68	98	239	240	85	56
9	57	54	57	58	e53	96	66	129	217	250	78	51
10	57	56	58	69	e54	87	67	146	200	470	71	50

11	54	52	56	72	e53	81	68	133	e300	369	66	88
12	52	49	55	67	e53	78	64	170	713	272	64	174
13	56	50	55	59	53	78	60	137	1990	239	65	e110
14	53	50	54	47	50	77	59	119	1860	218	64	75
15	54	49	55	60	49	78	60	110	1150	201	63	66

16	80	48	55	57	52	76	60	110	714	184	59	57
17	77	48	52	48	e49	70	67	168	499	172	165	54
18	63	50	40	54	e50	68	67	272	389	157	159	51
19	58	51	52	52	e49	75	132	412	336	151	94	51
20	56	51	46	e56	e48	83	544	260	340	143	81	59

21	55	49	38	e64	e47	80	426	215	321	134	74	62
22	55	50	44	e62	70	74	280	193	267	129	69	110
23	53	66	e43	e58	128	70	237	172	247	120	68	858
24	52	72	e42	e54	453	70	213	150	279	113	67	248
25	52	66	e42	e51	345	72	186	131	343	108	63	163

26	52	61	e43	e47	783	67	163	126	392	106	61	125
27	63	62	e44	e44	435	67	148	225	279	102	62	105
28	57	59	e46	e40	259	66	139	204	252	97	60	91
29	55	55	50	e37	214	64	134	175	246	92	59	82
30	56	52	52	e39	---	60	123	165	221	93	57	77

31	55	---	49	e41	---	58	---	276	---	100	58	---

TOTAL	1810	1625	1602	1675	3724	2756	3824	5022	16330	7368	2449	3229
MEAN	58.4	54.2	51.7	54.0	128	88.9	127	162	544	238	79.0	108
MAX	80	72	64	72	783	194	544	412	1990	1020	165	858
MIN	52	48	38	37	43	58	53	93	200	92	57	47
CFSM	.24	.22	.21	.22	.52	.36	.52	.66	2.20	.96	.32	.44
IN.	.27	.24	.24	.25	.56	.42	.58	.76	2.46	1.11	.37	.49

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1935 - 2000, BY WATER YEAR (WY)
MEAN	112	128	112	147	244	337	259	236	228	141	99.1	124
MAX	807	672	565	779	837	945	1104	1172	1077	974	459	968
(WY)	1987	1962	1983	1960	1971	1959	1973	1973	1993	1993	1981	1965
MIN	19.7	24.4	21.4	15.2	19.4	34.2	40.2	30.9	29.9	23.1	18.6	21.0
(WY)	1941	1941	1990	1940	1940	1954	1940	1940	1989	1989	1941	1940

SUMMARY STATISTICS	FOR 1999 CALENDAR YEAR		FOR 2000 WATER YEAR		WATER YEARS 1935 - 2000
ANNUAL TOTAL	79102		51414
ANNUAL MEAN	217		140		180
HIGHEST ANNUAL MEAN					480	1993
LOWEST ANNUAL MEAN					39.3	1940
HIGHEST DAILY MEAN	3730	May 17	1990	Jun 13	9010	Feb 21 1937
LOWEST DAILY MEAN	38	Dec 21	37 A	Jan 29	3.5	May 24 1967
ANNUAL SEVEN-DAY MINIMUM	42	Dec 21	41	Jan 27	10	Dec 28 1939
INSTANTANEOUS PEAK FLOW			3060	Jun 1	12000	Jan 5 1946
INSTANTANEOUS PEAK STAGE			13.55	Jun 1	26.12 B	Jan 5 1946
INSTANTANEOUS LOW FLOW			27 C	Dec 18	.00	D
ANNUAL RUNOFF (CFSM)	.88		.57		.73
ANNUAL RUNOFF (INCHES)	11.91		7.74		9.91
10 PERCENT EXCEEDS	435		279		332
50 PERCENT EXCEEDS	130		66		87
90 PERCENT EXCEEDS	52		49		32

A - Estimated due to backwater from ice.
B - Ice jam.
C - Result of freezeup.
D - May 23, 24, 1967, result of temporary closure of gate at dam at Hanover.