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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 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 -> 2023-09-30)

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
1 154 122 240 246 420 240 155 88 107 79 141 164
2 128 127 230 207 390 231 132 78 93 90 136 161
3 135 152 213 188 333 205 128 114 98 150 120 144
4 166 154 207 180 289 178 125 158 95 170 116 121
5 170 145 212 182 252 203 107 149 91 141 141 121
6 138 134 197 200 223 186 105 128 86 124 136 115
7 128 148 181 193 232 161 107 114 111 102 132 120
8 141 157 219 195 236 179 102 112 101 99 109 114
9 130 175 279 260 303 216 119 100 114 96 119 114
10 123 181 332 255 352 224 110 88 107 86 154 131
11 157 168 314 247 360 213 97 112 113 101 170 129
12 155 160 277 241 390 218 97 109 115 101 148 138
13 162 133 247 214 351 196 105 109 155 118 120 136
14 182 133 238 201 302 205 98 111 211 198 103 151
15 168 137 218 260 326 194 87 95 209 226 106 181
16 139 139 201 305 303 213 91 106 170 178 107 160
17 147 180 195 274 271 205 102 125 116 135 100 129
18 142 223 209 316 264 192 243 111 89 155 121 115
19 127 212 204 319 239 199 215 103 120 131 116 107
20 124 273 185 341 189 186 173 126 126 104 101 105
21 125 358 172 325 211 178 150 141 121 88 102 115
22 160 330 171 257 250 191 145 144 110 98 98 132
23 187 280 201 262 243 181 160 170 121 127 96 147
24 191 239 201 247 215 189 215 182 128 150 98 139
25 172 227 206 223 243 210 214 163 99 165 106 131
26 141 202 191 234 271 211 169 153 94 153 120 131
27 127 242 181 284 256 175 123 129 104 162 174 170
28 133 242 192 304 244 151 102 121 113 138 214 185
29 131 133 220 300 243 132 111 111 115 114 175 199
30 150   219 355 244 145 119 98 97 130 171 168
31 139   230   260   98 93   154   168