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USGS Surface-Water Daily Statistics for Iowa

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NOTE: Station Numbers for Iowa precipitation gages have changed (see list).


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 05463500 Black Hawk Creek at Hudson, IA


Black Hawk County, Iowa
Hydrologic Unit Code 07080205
Latitude  42°24'28", Longitude  92°27'47" NAD27
Drainage area 303  square miles
Gage datum 865.03 feet above NGVD29
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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 1952-10-01 -> 2020-09-30)

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
1 122 103 201 479 343 452 546 142 140 148 152 114
2 110 137 213 378 328 387 372 132 122 196 148 112
3 104 95 236 332 340 336 300 124 123 205 148 105
4 97 79 286 333 317 312 264 120 156 167 138 102
5 91 78 290 349 313 322 265 146 187 140 136 104
6 87 76 301 378 320 305 265 171 153 134 130 109
7 84 88 277 318 347 307 287 164 129 125 125 103
8 84 101 290 279 363 389 361 167 126 129 118 100
9 80 126 330 262 349 463 574 165 137 169 112 97
10 79 135 310 283 327 403 440 159 127 192 115 93
11 92 138 430 273 303 350 379 153 102 185 112 94
12 80 115 518 289 298 412 308 157 100 165 122 96
13 87 104 516 347 320 526 273 133 104 145 134 104
14 87 122 667 324 354 422 281 120 106 134 124 158
15 74 122 693 334 316 376 323 135 102 141 117 197
16 76 122 558 338 287 441 273 137 91 134 115 149
17 99 123 520 340 279 525 241 131 92 121 117 126
18 107 155 439 368 295 473 306 128 92 118 122 111
19 100 244 508 411 314 431 297 111 96 122 119 107
20 114 321 530 389 362 451 246 127 122 118 122 105
21 127 316 480 379 319 437 197 174 147 116 133 100
22 109 266 388 329 329 440 181 214 164 133 132 100
23 91 262 357 294 394 465 192 197 161 161 122 96
24 89 256 366 286 332 412 191 157 151 168 117 102
25 96 213 345 432 340 337 190 151 158 158 112 108
26 87 172 379 401 363 317 180 164 165 136 110 122
27 80 165 479 405 429 346 201 162 137 131 113 128
28 77 186 425 404 408 389 279 131 122 122 118 146
29 78 187 360 399 415 392 206 143 120 119 121 149
30 78   389 349 575 439 161 181 126 136 116 122
31 83   502   495   162 181   146   122