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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
1 479 516 367 383 235 148 79 38 38 67 269 425
2 488 477 344 362 220 145 78 37 37 64 273 461
3 493 462 364 322 221 138 92 36 37 60 270 421
4 471 517 365 321 218 130 84 37 36 65 299 395
5 545 502 353 315 233 131 75 39 44 66 285 385
6 541 473 348 330 228 137 70 37 39 62 306 373
7 759 474 333 325 222 130 66 36 37 63 293 369
8 705 460 329 306 199 119 65 36 36 74 267 364
9 584 444 359 309 211 120 70 34 35 84 242 424
10 528 435 352 298 201 126 65 34 34 103 258 446
11 513 407 339 295 198 120 63 33 37 101 281 461
12 513 381 353 304 200 129 61 34 35 96 329 496
13 513 382 361 310 182 122 56 35 34 94 382 503
14 492 373 352 333 178 121 55 33 36 93 427 472
15 468 411 355 325 172 112 55 33 40 106 424 485
16 461 452 373 309 183 105 53 33 45 110 376 439
17 483 474 362 307 174 103 50 33 58 132 375 406
18 486 410 352 276 162 101 48 32 51 146 403 448
19 480 387 368 275 159 95 47 32 48 164 443 424
20 465 409 383 277 169 93 46 32 52 190 397 427
21 447 439 361 255 163 94 45 37 49 185 349 421
22 439 503 360 242 162 88 44 42 48 202 344 400
23 500 446 357 239 149 86 44 43 49 184 377 399
24 544 406 382 252 145 89 44 41 49 189 414 439
25 526 421 368 248 136 93 42 51 51 246 477 451
26 501 409 351 236 136 86 41 47 54 229 487 413
27 473 367 354 223 139 83 41 42 51 196 475 432
28 471 348 363 223 159 82 40 40 52 213 486 514
29 481 324 369 241 153 82 40 38 53 201 447 483
30 552   374 242 148 77 39 38 69 199 401 455
31 542   396   146   38 36   245   446