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USGS Daily Statistics for the Nation

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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 15087810 SAWMILL C BL U TAILRACE NR SITKA AK


City And Borough Of Sitka, Alaska
Hydrologic Unit Code 19010212
Latitude  57°03'40", Longitude 135°12'35" NAD27
Drainage area 38.0  square miles
Gage datum 140.4 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 2019-10-01 -> 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 77 71 70 72 80 81 227 259 455 682 499 285
2 73 70 69 72 81 76 202 242 440 843 524 697
3 69 70 68 72 81 84 200 216 374 621 357 434
4 73 74 68 71 80 117 213 175 280 400 352 272
5 76 74 68 72 80 129 212 169 238 352 395 301
6 80 73 69 72 79 126 192 389 236 623 290 359
7 84 70 68 72 79 117 165 488 209 548 208 347
8 84 71 69 73 79 116 144 472 261 461 179 268
9 92 74 70 73 81 121 133 443 230 609 170 194
10 99 74 70 72 81 121 140 598 182 643 162 144
11 107 71 70 72 80 126 203 469 265 547 136 116
12 114 72 70 73 79 119 185 383 256 505 123 118
13 109 69 69 76 79 120 144 785 170 887 141 165
14 108 68 71 76 79 130 141 641 253 779 176 145
15 124 68 70 77 80 145 182 456 415 627 212 125
16 136 70 70 76 80 146 198 368 331 374 249 86
17 146 69 70 77 79 140 224 416 348 326 301 76
18 151 72 70 79 78 152 252 441 801 479 307 78
19 207 72 70 78 78 160 300 285 543 768 210 88
20 154 72 69 78 79 182 342 174 378 618 243 99
21 125 72 69 78 80 233 323 135 773 434 320 95
22 106 70 70 94 79 209 267 107 749 284 344 87
23 94 69 71 94 79 171 224 94 618 225 366 95
24 88 68 71 85 79 402 276 88 667 173 348 99
25 85 68 70 83 79 399 271 89 462 131 292 94
26 79 70 71 81 79 349 367 106 396 376 244 92
27 77 73 71 81 79 333 354 146 501 513 269 85
28 73 73 71 82 81 341 274 289 364 355 203 84
29 80 66 71 83 81 333 301 385 232 247 151 79
30 74   74 81 80 274 257 288 257 273 108 75
31 71   73   81   252 393   487   74