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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 12201500 SAMISH RIVER NEAR BURLINGTON, WA


Skagit County, Washington
Hydrologic Unit Code 17110002
Latitude  48°32'46", Longitude 122°20'13" NAD27
Drainage area 87.8  square miles
Gage datum 36.72 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 1942-10-01 -> 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
1 480 519 366 383 238 149 79 38 38 67 269 428
2 489 480 344 362 223 147 78 37 37 64 273 466
3 494 466 366 322 223 140 92 36 37 60 270 425
4 471 523 367 321 220 131 84 37 36 65 299 399
5 546 508 355 316 236 131 75 39 44 66 285 389
6 543 478 349 331 230 137 70 37 39 62 306 377
7 766 480 334 324 224 130 66 36 37 63 292 365
8 712 465 331 303 201 119 65 36 36 74 267 356
9 589 449 361 304 214 120 70 34 35 84 241 419
10 530 440 352 295 204 126 65 34 34 103 257 445
11 514 411 341 292 201 120 63 33 37 101 279 462
12 515 385 354 303 203 129 61 34 35 96 326 499
13 516 386 362 310 184 122 56 35 34 94 380 506
14 495 378 352 334 180 121 55 33 36 93 418 474
15 471 416 352 326 174 112 55 33 40 106 416 488
16 464 457 369 310 185 105 53 33 45 110 371 441
17 486 478 358 309 176 103 50 33 58 132 362 407
18 490 413 349 278 164 101 48 32 51 146 389 444
19 484 389 367 277 160 95 47 32 48 164 435 421
20 470 410 383 279 169 93 46 32 52 190 392 425
21 452 441 360 256 163 94 45 37 49 185 345 420
22 443 503 357 244 163 88 44 42 48 202 341 400
23 506 440 351 241 150 86 44 43 49 184 376 398
24 551 400 362 255 146 89 44 41 49 189 414 439
25 532 416 351 250 137 93 42 51 51 246 479 451
26 507 404 341 238 137 86 41 47 54 229 489 410
27 479 364 342 225 141 83 41 42 51 196 477 430
28 476 347 357 225 160 82 40 40 52 213 489 514
29 487 324 365 243 155 82 40 38 53 201 450 482
30 559   372 244 150 77 39 38 69 199 404 452
31 547   396   148   38 36   245   444