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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 4,421.48 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 1896-10-01 -> 2024-09-30)

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
1 251 272 331 443 541 393 146 81 94 153 222 256
2 252 282 333 450 538 379 140 81 95 156 224 258
3 251 284 336 454 536 369 132 83 96 162 226 259
4 251 275 339 456 538 359 124 82 97 166 229 257
5 250 271 343 461 537 346 120 83 98 167 233 255
6 249 269 345 469 538 336 118 82 98 168 235 254
7 247 270 345 477 543 334 114 80 99 171 237 254
8 250 273 347 480 544 330 110 81 101 174 239 252
9 257 277 355 485 541 325 106 81 104 177 240 250
10 256 285 362 490 539 317 104 80 107 179 241 251
11 255 288 368 492 540 310 101 80 108 182 242 252
12 254 296 373 497 536 298 97 80 110 184 244 253
13 257 308 377 498 525 290 91 81 112 186 246 255
14 261 313 382 499 518 280 90 82 113 189 248 254
15 264 310 384 503 513 278 85 83 115 191 249 252
16 265 311 381 506 513 267 84 84 118 194 248 251
17 264 313 388 511 513 256 81 84 121 195 251 247
18 265 316 392 515 523 247 80 85 123 197 254 244
19 264 321 397 518 520 237 76 87 126 199 256 245
20 268 323 404 522 514 230 76 87 128 200 255 247
21 271 325 411 525 511 221 77 90 132 202 255 250
22 274 327 418 531 511 215 79 92 135 202 255 253
23 272 331 426 538 499 208 80 93 138 205 254 257
24 271 327 431 542 489 202 79 95 140 208 256 255
25 269 327 434 541 477 195 79 94 141 211 256 255
26 267 329 435 540 464 187 78 94 144 211 256 257
27 265 329 434 538 452 179 80 93 146 213 255 256
28 262 329 434 541 441 171 79 91 147 215 254 255
29 257 332 435 544 429 164 80 92 148 218 253 254
30 259   438 543 416 155 80 92 150 219 254 254
31 263   440   403   81 93   221   253