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USGS Daily Statistics for Idaho

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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 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 107 - 111 years of record in, ft3/s   (Calculation Period 1896-10-01 -> 2019-09-30)

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
1 254 275 335 448 540 390 146 82 96 154 223 258
2 255 286 337 456 536 376 139 82 97 157 225 261
3 254 287 341 459 534 366 132 83 98 162 227 262
4 252 278 343 462 537 356 124 82 98 165 230 260
5 251 273 348 467 537 343 121 83 99 166 234 258
6 251 271 350 474 538 333 118 82 99 168 237 256
7 249 273 349 482 544 331 114 81 101 172 238 256
8 252 275 351 485 544 327 110 82 102 175 240 254
9 259 279 359 490 541 322 107 82 106 176 241 253
10 258 287 366 494 540 314 105 81 108 179 242 254
11 258 292 373 495 542 308 101 80 109 182 243 255
12 257 300 378 499 539 297 97 81 112 184 245 256
13 259 312 382 500 528 288 92 82 114 186 248 257
14 263 318 387 502 520 279 90 83 115 189 250 256
15 267 314 388 507 515 277 85 84 117 192 250 254
16 268 314 383 510 514 265 85 86 120 194 250 253
17 266 317 390 515 515 254 82 85 123 196 252 250
18 267 321 395 518 525 245 80 86 125 198 256 247
19 267 326 401 521 521 235 77 88 128 200 258 247
20 271 328 407 525 515 228 76 88 129 201 257 249
21 274 331 414 528 512 219 78 91 133 202 257 252
22 278 333 422 534 512 213 80 93 135 203 257 256
23 275 337 430 541 500 206 81 94 138 206 256 260
24 274 332 436 545 489 202 80 96 140 208 258 258
25 272 333 439 544 477 195 80 96 142 211 258 257
26 270 334 440 542 464 187 79 95 145 211 258 259
27 268 333 438 539 451 179 81 94 147 213 258 258
28 265 333 438 541 439 170 80 93 148 215 256 257
29 260 334 440 544 426 163 81 93 149 218 255 257
30 262   442 542 413 154 81 94 151 220 256 257
31 266   445   400   82 95   222   255