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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 106 - 110 years of record in, ft3/s   (Calculation Period 1896-10-01 -> 2018-09-30)

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
1 254 275 335 448 536 391 146 82 96 154 223 258
2 255 286 338 456 533 377 140 83 97 157 225 261
3 254 287 342 459 532 367 133 84 98 162 226 262
4 252 277 344 462 535 357 125 83 99 165 229 260
5 251 272 349 467 535 344 121 84 100 166 233 258
6 251 270 350 474 537 334 119 83 99 168 236 256
7 249 272 350 481 542 332 115 81 101 171 237 256
8 252 275 352 483 542 328 111 82 102 174 240 254
9 259 278 360 488 540 323 107 82 106 176 240 253
10 258 287 367 492 539 316 105 81 109 178 242 254
11 257 291 373 494 541 310 102 81 109 181 243 255
12 256 300 379 497 538 298 98 81 112 183 245 256
13 258 312 383 497 526 290 92 82 114 185 248 257
14 263 318 387 499 519 280 91 83 115 189 250 256
15 267 314 387 505 515 278 86 85 117 191 251 254
16 267 315 383 507 514 267 85 86 120 194 250 253
17 266 317 389 513 515 255 82 86 123 196 252 249
18 267 321 394 516 525 246 80 86 126 197 256 247
19 267 326 401 520 522 236 77 88 128 199 258 247
20 271 329 407 523 516 229 77 88 130 201 257 249
21 274 331 415 527 513 220 78 91 133 202 257 252
22 278 333 422 532 513 214 80 93 136 203 258 256
23 275 337 428 538 501 207 81 95 139 206 256 260
24 274 333 432 542 489 203 80 96 141 208 258 258
25 272 333 434 541 477 195 80 96 142 211 258 257
26 270 335 436 539 465 188 80 96 146 211 258 259
27 268 334 437 536 452 179 81 95 147 213 258 258
28 265 333 438 537 440 171 81 93 148 215 256 257
29 260 334 439 540 427 163 81 94 149 218 255 257
30 262   442 538 414 155 81 94 151 220 256 257
31 266   445   401   82 95   222   255