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USGS Daily Statistics for Oregon

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 14012000 WALLA WALLA RIVER AT MILTON-FREEWATER, OR


Umatilla County, Oregon
Hydrologic Unit Code 17070102
Latitude  45°55'17.8", Longitude 118°22'28.3" NAD83
Drainage area 160  square miles
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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 2020-10-01 -> 2023-09-30)

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
1 156 300 332 454 610 522 177 113 104 108 132 193
2 150 291 439 485 620 496 178 115 104 108 130 184
3 157 287 521 518 574 554 178 111 104 106 128 166
4 151 274 554 563 535 784 179 109 104 105 131 159
5 155 268 586 570 596 831 170 115 103 107 134 186
6 192 259 589 487 868 824 160 112 103 107 134 183
7 697 256 506 458 1,260 637 152 108 104 108 133 222
8 482 258 454 473 1,110 504 147 107 105 110 128 253
9 293 260 416 429 817 431 143 107 105 110 145 251
10 237 276 365 406 590 431 140 118 106 109 149 229
11 225 301 357 380 509 426 131 117 107 110 159 201
12 230 310 352 368 484 492 123 107 107 109 259 221
13 243 299 364 354 488 1,140 123 105 106 111 283 232
14 236 308 365 353 625 849 120 105 105 112 214 250
15 236 311 443 349 805 728 117 104 105 113 187 243
16 235 302 465 355 863 566 116 103 106 112 164 215
17 217 288 437 384 723 431 117 104 107 111 154 196
18 206 284 438 468 647 305 119 106 111 111 144 188
19 213 283 497 606 545 272 121 105 115 111 159 193
20 608 289 494 574 495 233 123 105 111 112 170 195
21 1,090 288 473 557 467 195 124 106 108 124 163 195
22 692 283 460 516 431 173 122 107 107 135 158 203
23 577 275 443 497 411 188 126 105 107 138 160 252
24 517 400 445 491 404 241 121 104 107 140 162 248
25 478 344 486 497 407 216 113 104 106 143 156 244
26 407 328 482 461 419 203 117 106 105 133 154 229
27 361 311 477 437 440 182 117 106 106 137 156 194
28 341 303 509 428 438 172 116 105 114 132 168 186
29 315   546 445 695 170 111 104 117 154 188 178
30 303   504 525 769 172 109 103 128 156 203 174
31 303   445   605   109 104   137   165