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USGS Daily Statistics for the Nation

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 13075500 PORTNEUF RIVER AT POCATELLO ID


Bannock County, Idaho
Hydrologic Unit Code 17040208
Latitude  42°52'18", Longitude 112°28'05" NAD83
Drainage area 1,256  square miles
Gage datum 4,418.41 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 1896-10-01 -> 2021-09-30)

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
1 252 274 335 447 542 391 146 82 95 154 223 257
2 254 285 337 455 538 377 140 82 96 157 225 260
3 253 287 340 458 536 368 133 83 97 163 227 261
4 251 278 343 461 538 357 124 82 98 166 230 259
5 250 273 347 466 538 344 121 83 99 167 234 257
6 250 272 349 474 539 334 119 82 98 169 236 255
7 248 273 349 482 544 332 115 81 100 172 237 255
8 251 276 351 486 545 329 111 82 102 175 240 253
9 258 280 360 491 542 324 107 81 105 177 240 252
10 257 288 366 496 540 316 105 81 108 179 242 253
11 257 291 372 497 542 310 102 80 109 182 243 254
12 256 300 378 501 538 298 98 81 111 184 245 255
13 258 311 382 501 527 289 92 82 113 186 248 256
14 262 317 387 502 519 279 91 83 114 189 250 256
15 266 314 388 508 515 277 86 84 116 192 250 253
16 266 314 384 511 514 266 85 85 119 195 250 252
17 265 317 391 516 515 255 82 85 122 196 252 249
18 266 320 396 520 524 246 80 85 125 198 256 246
19 266 325 401 522 521 237 77 87 127 200 258 247
20 269 327 407 527 515 229 77 87 129 201 257 249
21 274 329 414 531 512 220 78 90 132 203 257 252
22 277 331 422 536 512 214 80 92 135 203 257 255
23 274 335 430 543 500 207 81 93 138 206 256 259
24 274 331 436 547 489 202 80 95 140 209 257 257
25 272 331 438 547 477 195 79 95 141 212 257 256
26 269 333 439 545 465 187 79 95 145 212 258 258
27 267 333 438 543 451 179 81 94 146 213 257 257
28 264 332 438 544 440 171 80 92 148 216 256 256
29 260 332 439 547 427 163 81 93 149 218 255 255
30 262   442 545 414 155 81 93 151 220 255 256
31 265   444   401   82 94   222   254