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.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data