05419000 DATA: Discharge Tables, 2002

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 1994-2002.
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 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, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	161	206	245	e165	110	170	145	243	176	190	95	153
2	154	195	226	e162	91	172	156	249	161	184	90	528
3	143	177	220	e159	101	167	155	229	185	175	86	296
4	133	170	213	153	85	139	139	216	9470	170	85	203
5	131	164	213	154	86	163	135	210	7010	160	92	175

6	123	161	218	151	95	159	132	212	1670	209	110	161
7	115	158	205	e145	100	147	165	209	1130	216	92	149
8	111	154	203	139	98	182	505	199	863	179	84	138
9	109	145	197	145	106	788	1670	204	692	168	85	131
10	131	144	190	142	219	520	825	184	622	156	78	127

11	177	140	184	137	186	366	586	208	872	145	78	122
12	150	133	184	134	147	303	486	256	662	139	112	118
13	134	177	269	133	125	281	406	237	513	139	290	113
14	137	219	256	133	119	265	363	222	656	131	111	111
15	125	186	234	128	120	252	334	209	504	127	89	109

16	117	170	227	122	116	227	304	217	399	120	82	105
17	113	157	229	110	110	215	281	206	348	114	78	101
18	111	151	222	103	106	212	282	189	321	112	76	107
19	110	158	216	114	139	204	306	180	301	112	75	147
20	108	146	203	e112	317	212	263	174	291	107	72	150

21	105	142	193	e109	420	201	275	168	268	104	82	123
22	133	140	203	e108	268	171	326	164	254	106	9440	105
23	693	137	255	e109	239	189	314	166	245	106	5030	97
24	678	220	220	e108	228	180	333	165	235	98	668	94
25	529	367	184	105	219	164	350	186	229	95	413	92

26	334	265	e180	108	205	158	296	187	231	102	303	92
27	273	257	e174	107	184	155	281	166	231	112	248	92
28	247	241	e170	108	177	160	347	160	215	111	215	92
29	232	229	e169	105	---	163	290	221	205	122	198	95
30	217	235	e167	101	---	152	254	204	199	111	178	92

31	211	---	e167	106	---	145	---	193	---	99	164	---

TOTAL	6245	5544	6436	3915	4516	6982	10704	6233	29158	4219	18899	4218
MEAN	201.5	184.8	207.6	126.3	161.3	225.2	356.8	201.1	971.9	136.1	609.6	140.6
MAX	693	367	269	165	420	788	1670	256	9470	216	9440	528
MIN	105	133	167	101	85	139	132	160	161	95	72	92
CFSM	0.82	0.75	0.84	0.51	0.65	0.91	1.44	0.81	3.93	0.55	2.47	0.57
IN.	0.94	0.83	0.97	0.59	0.68	1.05	1.61	0.94	4.39	0.64	2.85	0.64

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1935 - 2002, BY WATER YEAR (WY)
MEAN	112.6	127.8	112.3	145.0	245.9	336.9	261.8	236.2	240.0	140.8	106.4	126.0
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 2001 CALENDAR YEAR		FOR 2002 WATER YEAR		WATER YEARS 1935 - 2002
ANNUAL TOTAL	87594		107069
ANNUAL MEAN	240.0		293.3		182.1
HIGHEST ANNUAL MEAN					480	1993
LOWEST ANNUAL MEAN					39.3	1940
HIGHEST DAILY MEAN	1780	Feb 9	9470	Jun 4	9470	Jun 4 2002
LOWEST DAILY MEAN	37	A	72	Aug 20	3.5	May 24 1967
ANNUAL SEVEN-DAY MINIMUM	37	Jan 20	79	Aug 15	10	Dec 28 1939
MAXIMUM PEAK FLOW			13700	Jun 4	13700	Jun 4 2002
MAXIMUM PEAK STAGE			27.91	Jun 4	27.91	Jun 4 2002
INSTANTANEOUS LOW FLOW			50	Feb 5	0.00	B
ANNUAL RUNOFF (CFSM)	0.97		1.19		0.74
ANNUAL RUNOFF (INCHES)	13.19		16.13		10.02
10 PERCENT EXCEEDS	462		339		335
50 PERCENT EXCEEDS	194		168		89
90 PERCENT EXCEEDS	61		101		32

	A - Several days. Estimated due to backwater from ice.
	B - Part of each day, May 23, 24, 1967, result of temporary closure of gate at dam in Hanover.