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USGS Daily Statistics for Illinois

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The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 05540250 EAST BRANCH DU PAGE RIVER AT BOLINGBROOK, IL


Will County, Illinois
Hydrologic Unit Code 07120004
Latitude  41°43'05", Longitude  88°04'14" NAD83
Drainage area 75.8  square miles
Gage datum 624.93 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1988-10-01 -> 2025-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 119 102 167 183 259 169 114 75 87 67 126 128
2 103 98 151 170 223 174 108 75 80 77 112 125
3 106 107 138 165 199 149 120 97 78 114 97 109
4 122 110 135 150 175 128 105 133 79 118 101 95
5 130 106 158 147 158 136 92 130 78 108 125 94
6 110 101 144 154 139 116 96 102 77 101 123 88
7 98 115 137 138 152 108 93 94 88 78 106 95
8 102 120 165 142 150 120 89 86 87 83 89 88
9 98 126 201 175 195 149 92 77 87 81 91 90
10 93 124 223 161 219 157 93 70 89 74 104 96
11 126 115 210 162 224 149 85 84 101 82 114 95
12 121 112 182 167 231 147 92 87 107 82 102 105
13 133 95 164 148 207 134 92 92 110 77 90 97
14 132 95 161 141 191 139 89 89 145 134 81 105
15 118 96 149 170 187 142 98 83 141 155 86 129
16 105 96 135 188 167 150 94 84 103 120 84 110
17 112 138 131 171 163 140 82 103 89 106 76 93
18 108 148 142 238 193 132 167 96 79 114 99 87
19 99 137 140 206 164 135 161 89 87 91 96 83
20 101 171 137 200 137 130 138 99 76 81 82 83
21 98 231 124 197 151 128 117 113 77 70 88 90
22 118 211 121 166 155 138 110 115 75 85 84 95
23 133 184 136 160 146 149 113 116 81 105 82 99
24 140 157 139 149 139 143 148 126 80 98 83 96
25 129 143 147 145 145 138 142 109 70 121 88 93
26 124 128 134 149 177 155 115 99 76 111 99 98
27 109 170 128 163 176 150 89 114 86 125 131 120
28 105 168 140 182 169 116 83 116 90 100 142 142
29 104 99 148 192 173 107 105 100 84 86 130 146
30 112   155 226 158 105 112 81 72 109 128 132
31 111   181   173   84 78   135   131