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USGS Surface-Water 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 05540130 WEST BRANCH DU PAGE RIVER NEAR NAPERVILLE, IL


Will County, Illinois
Hydrologic Unit Code 07120004
Latitude  41°43'12.93", Longitude  88°07'54.96" NAD83
Drainage area 123  square miles
Gage datum 629.73 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 -> 2024-09-30)

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
1 153 127 236 263 412 235 152 93 105 79 138 163
2 127 131 226 221 384 227 132 81 92 89 133 162
3 134 155 209 195 328 202 134 114 96 148 118 146
4 164 155 203 190 285 175 128 155 93 167 113 123
5 167 146 216 199 248 199 109 147 90 140 139 122
6 136 135 205 213 220 182 110 126 87 123 133 115
7 127 148 185 200 229 158 110 112 110 101 130 120
8 139 157 224 200 233 175 104 111 100 97 107 114
9 130 174 290 261 299 211 119 98 112 94 117 113
10 125 179 336 256 346 219 109 86 106 84 150 130
11 158 167 314 247 353 208 97 109 114 99 167 127
12 157 159 276 240 382 213 104 107 115 103 145 136
13 165 132 246 214 344 192 111 107 154 119 118 134
14 182 131 239 201 296 201 102 113 207 201 101 148
15 167 135 218 258 320 190 94 98 204 230 104 178
16 139 137 201 301 297 209 98 107 167 179 105 158
17 146 177 195 272 266 200 105 127 119 135 98 129
18 141 219 209 313 259 187 240 111 93 154 119 114
19 126 208 204 315 234 195 212 102 121 130 114 106
20 123 268 185 337 185 181 170 124 126 104 99 104
21 123 350 172 321 206 174 148 138 121 88 102 114
22 158 323 171 255 245 187 143 141 111 97 98 131
23 186 274 201 260 238 177 162 167 121 125 95 148
24 192 234 201 244 210 185 213 178 127 147 97 140
25 180 222 206 221 237 208 211 160 98 162 105 132
26 160 198 191 232 264 209 167 150 95 150 118 136
27 149 237 181 281 250 172 122 127 105 160 171 172
28 150 239 196 299 238 148 103 118 112 137 209 185
29 143 131 221 296 238 130 128 109 114 113 171 198
30 158   219 350 239 142 139 96 96 128 167 167
31 146   231   254   108 91   151   166