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USGS Daily Statistics for Washington

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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 12143400 SF SNOQUALMIE RIVER AB ALICE CREEK NEAR GARCIA, WA


King County, Washington
Hydrologic Unit Code 17110010
Latitude  47°24'55", Longitude 121°35'10" NAD27
Drainage area 41.6  square miles
Gage datum 1,441.58 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 1960-10-01 -> 2025-09-30)

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
1 293 368 283 309 477 563 269 84 69 119 348 432
2 297 300 247 310 490 576 261 81 77 114 338 470
3 343 302 253 306 497 558 262 79 67 122 336 459
4 331 301 253 307 497 551 247 78 61 115 466 403
5 396 299 260 346 514 555 239 78 56 95 379 356
6 337 313 267 375 527 529 235 73 61 100 396 333
7 497 346 248 364 521 511 224 74 60 102 404 303
8 405 338 233 356 521 477 218 72 68 125 360 329
9 309 276 280 368 525 467 216 66 65 137 331 358
10 306 253 268 365 520 478 203 63 73 149 321 360
11 291 233 284 365 527 458 198 61 83 150 343 362
12 320 268 308 363 551 464 197 59 72 150 443 353
13 358 275 293 372 559 467 201 60 59 166 442 368
14 396 333 292 393 568 471 186 57 67 171 456 366
15 441 348 304 381 594 455 185 57 73 178 357 381
16 420 372 293 362 610 451 166 56 73 210 356 348
17 406 320 271 372 607 423 165 55 90 167 380 335
18 437 310 278 368 583 431 154 59 93 168 365 328
19 383 389 309 377 577 413 144 55 82 192 394 295
20 361 352 281 417 578 394 140 59 90 223 391 348
21 327 336 265 397 569 381 132 56 99 248 366 352
22 270 327 271 395 577 370 123 54 88 286 367 304
23 327 284 284 418 571 361 119 58 95 240 424 310
24 403 290 295 436 552 357 114 68 101 229 521 334
25 367 255 285 411 553 346 110 73 95 226 511 337
26 325 237 283 411 553 321 107 68 81 256 451 360
27 315 252 272 447 549 300 102 62 80 263 383 308
28 336 284 272 478 566 296 99 63 87 273 425 307
29 359 375 281 477 582 301 96 59 97 269 408 332
30 391   305 496 569 281 92 61 152 280 375 321
31 407   331   539   87 59   359   277