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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 05536085 NB CHICAGO RIVER AT N PULASKI ROAD AT CHICAGO, IL


Cook County, Illinois
Hydrologic Unit Code 07120003
Latitude  41°58'29", Longitude  87°43'42" NAD83
Drainage area 112.4  square miles
Gage datum 575.33 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 2017-10-01 -> 2022-09-30)

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
1 272 70 239 386 768 123 275 26 100 129 304 169
2 234 78 199 250 652 134 179 29 154 197 223 304
3 181 128 172 193 794 102 142 34 198 338 167 292
4 135 240 164 175 715 94 108 24 242 301 131 258
5 106 273 143 158 448 216 79 23 226 210 132 207
6 87 256 140 213 352 250 93 29 220 234 153 175
7 83 263 139 248 317 138 68 78 193 186 135 152
8 114 259 133 194 232 94 58 107 229 239 95 140
9 95 214 145 195 290 164 45 85 252 200 74 105
10 78 162 315 156 303 290 99 147 185 153 65 72
11 193 145 276 141 198 167 101 140 143 199 95 126
12 226 143 195 153 156 113 73 92 192 251 94 206
13 155 111 186 141 169 163 60 74 312 167 73 232
14 118 84 243 156 250 128 72 58 329 131 60 152
15 119 89 256 179 565 91 60 43 289 100 58 111
16 113 77 225 208 484 256 124 43 253 78 57 84
17 101 255 174 167 388 215 132 63 219 64 55 69
18 100 231 182 146 656 134 177 66 188 52 61 58
19 96 152 206 136 530 134 308 80 147 45 59 49
20 73 111 197 100 410 144 141 55 132 43 57 47
21 68 104 175 114 449 315 198 82 105 43 75 48
22 59 135 140 126 586 365 318 58 132 154 94 48
23 56 232 169 240 515 381 266 41 231 185 69 44
24 64 308 234 216 489 347 171 67 155 180 61 46
25 114 313 234 190 497 390 152 89 113 294 84 39
26 131 238 188 152 391 454 109 136 81 291 217 38
27 116 186 143 114 286 555 77 242 65 390 286 93
28 99 196 266 132 215 445 53 159 215 377 214 117
29 85 66 346 303 243 371 43 194 200 328 143 181
30 75   335 561 233 369 50 165 190 352 110 253
31 66   392   173   31 102   330   234