05419000 DATA: Discharge Tables, 2004

Station list Available data
APPLE RIVER BASIN

05419000 APPLE RIVER NEAR HANOVER, IL


LOCATION.-- Lat 42°15'10", long 90°17'09" (NAD of 1927), 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 to current year.
SURFACE-WATER QUALITY
	SEDIMENT: October 1994 to September 1997.
	MISCELLANEOUS: Sediment concentration and particle size, water year 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 NGVD of 1929. 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, 13,700 ft³/s, June 4, 2002, gage height 27.91 ft; 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 good except those for estimated daily discharges, which are poor.

Discharge, cubic feet per second, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	36	44	74	112	e54	214	344	165	917	213	117	72
2	35	68	72	116	e56	248	300	157	601	208	110	71
3	37	132	70	116	e59	205	270	148	453	209	110	67
4	39	427	69	108	e56	196	246	144	365	245	e100	64
5	39	228	76	91	e54	1640	231	139	321	214	e100	62

6	38	134	72	90	e53	726	224	133	301	206	99	62
7	38	99	67	88	e54	380	215	139	282	218	96	61
8	38	81	67	91	e56	283	207	128	260	205	93	63
9	38	69	77	91	e56	247	195	139	243	187	91	59
10	38	64	403	90	e54	223	182	147	254	179	89	59

11	38	64	485	91	e53	212	176	154	427	176	85	57
12	39	61	250	e90	e53	185	171	143	443	200	83	56
13	39	52	217	92	e54	183	167	139	399	184	80	56
14	54	47	e200	86	e56	194	162	158	373	171	77	56
15	50	49	e170	85	e55	179	150	168	370	162	74	67

16	47	49	e150	85	e52	168	146	152	468	161	74	87
17	52	48	e140	85	e56	170	147	145	2970	164	80	76
18	42	51	e135	84	e53	174	139	162	980	158	82	61
19	40	53	e130	e84	56	173	137	151	713	150	80	56
20	40	51	126	74	177	172	159	142	592	150	76	55

21	41	48	e125	74	310	161	401	143	610	162	71	53
22	41	46	e128	e68	316	154	284	1240	633	192	67	51
23	43	94	e118	62	899	152	231	3920	478	159	70	52
24	47	191	e110	e60	927	279	212	1500	406	143	74	51
25	54	133	103	58	276	356	215	897	364	136	78	49

26	51	111	121	56	221	847	206	657	291	132	78	48
27	48	108	121	e54	214	700	188	500	257	121	87	49
28	47	94	130	e53	190	585	179	389	245	117	88	48
29	47	84	139	e54	189	661	172	326	232	113	96	47
30	45	79	129	e53	---	483	163	524	221	136	86	47

31	45	---	122	e53	---	405	---	1190	---	135	77	---

TOTAL	1326	2859	4396	2494	4759	10955	6219	14239	15469	5306	2668	1762
MEAN	42.8	95.3	142	80.5	164	353	207	459	516	171	86.1	58.7
MAX	54	427	485	116	927	1640	401	3920	2970	245	117	87
MIN	35	44	67	53	52	152	137	128	221	113	67	47
CFSM	0.17	0.39	0.57	0.33	0.66	1.43	0.84	1.86	2.09	0.69	0.35	0.24
IN.	0.20	0.43	0.66	0.38	0.72	1.65	0.94	2.14	2.33	0.80	0.40	0.27

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1935 - 2004, BY WATER YEAR (WY)
MEAN	113	127	112	143	242	334	258	241	242	141	105	124
MAX	807	672	565	779	837	945	1104	1172	1077	974	610	968
(WY)	1987	1962	1983	1960	1971	1959	1973	1973	1993	1993	2002	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 2003 CALENDAR YEAR		FOR 2004 WATER YEAR		WATER YEARS 1935 - 2004
ANNUAL TOTAL	37445		72452
ANNUAL MEAN	103		198		181
HIGHEST ANNUAL MEAN					480	1993
LOWEST ANNUAL MEAN					39.3	1940
HIGHEST DAILY MEAN	817	May 9	3920	May 23	9470	Jun 4 2002
LOWEST DAILY MEAN	29	Sep 11	35	Oct 2	3.5	May 24 1967
ANNUAL SEVEN-DAY MINIMUM	30	Sep 5	37	Oct 1	10	Dec 28 1939
MAXIMUM PEAK FLOW			5150	May 23	13700	Jun 4 2002
MAXIMUM PEAK STAGE			17.11	May 23	27.91	Jun 4 2002
INSTANTANEOUS LOW FLOW			33	Oct 2,3	0.00	A
ANNUAL RUNOFF (CFSM)	0.415		0.801		0.734
ANNUAL RUNOFF (INCHES)	5.64		10.91		9.98
10 PERCENT EXCEEDS	194		400		333
50 PERCENT EXCEEDS	73		122		89
90 PERCENT EXCEEDS	39		49		32

A - Parts of each day, May 23, 24, 1997, result of temporary closure of gate at dam in Hanover.