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USGS Daily Statistics for the Nation

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
1 294 365 285 309 477 563 269 84 69 119 348 427
2 297 298 249 310 490 576 261 81 77 114 338 465
3 342 300 255 306 497 558 262 79 67 122 336 454
4 330 299 255 307 497 551 247 78 61 115 466 399
5 395 296 260 346 514 555 239 78 56 95 379 353
6 337 309 267 375 527 529 235 73 61 100 396 330
7 494 342 248 364 521 511 224 74 60 102 404 304
8 402 335 233 356 521 477 218 72 68 125 360 330
9 308 274 280 368 525 467 216 66 65 137 331 357
10 306 251 268 365 520 478 203 63 73 149 321 359
11 291 231 284 365 527 458 198 61 83 150 343 360
12 319 265 308 363 551 464 197 59 72 150 443 351
13 356 272 293 372 559 467 201 60 59 166 443 365
14 393 329 292 393 568 471 186 57 67 171 457 363
15 437 344 304 381 594 455 185 57 73 178 358 378
16 416 367 293 362 610 451 166 56 73 210 356 345
17 403 317 271 372 607 423 165 55 90 167 385 333
18 433 307 278 368 583 431 154 59 93 168 368 333
19 380 385 309 377 577 413 144 55 82 192 394 297
20 358 348 281 417 578 394 140 59 90 223 390 348
21 324 332 265 397 569 381 132 56 99 248 364 351
22 267 326 271 395 577 370 123 54 88 286 366 305
23 324 299 284 418 571 361 119 58 95 240 421 313
24 399 300 295 436 552 357 114 68 101 229 516 336
25 363 264 285 411 553 346 110 73 95 226 507 337
26 322 243 283 411 553 321 107 68 81 256 447 363
27 312 255 272 447 549 300 102 62 80 263 380 311
28 333 286 272 478 566 296 99 63 87 273 421 315
29 355 375 281 477 582 301 96 59 97 269 404 338
30 386   305 496 569 281 92 61 152 280 371 325
31 403   331   539   87 59   359   279