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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 06033000 Boulder River near Boulder MT


Jefferson County, Montana
Hydrologic Unit Code 10020006
Latitude  46°12'39.71", Longitude 112°05'29.94" NAD83
Drainage area 381  square miles
Gage datum 4,810 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 1928-10-01 -> 2022-09-30)

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 28 31 32 83 270 607 187 45 27 33 41 34
2 28 31 33 89 270 599 178 43 27 34 40 35
3 28 30 33 91 283 604 172 45 26 34 41 34
4 28 30 34 98 313 601 164 41 25 34 41 33
5 28 31 35 110 331 580 153 41 26 36 41 32
6 28 31 35 114 345 576 147 40 26 37 40 31
7 28 30 35 117 370 563 140 38 25 38 41 31
8 29 31 36 119 377 549 131 36 25 37 42 30
9 29 33 37 122 385 533 121 35 28 37 40 30
10 28 32 39 124 400 512 115 33 29 37 40 30
11 28 33 41 132 408 493 114 34 28 37 38 30
12 28 32 42 138 418 480 109 33 28 38 38 30
13 28 32 43 147 436 474 104 34 28 38 39 30
14 28 32 45 158 450 450 99 33 28 38 39 30
15 28 32 48 164 453 419 90 32 29 39 37 30
16 28 32 53 165 481 427 82 32 29 39 38 29
17 29 31 53 170 525 442 79 31 29 39 36 29
18 29 31 55 183 547 408 80 29 31 39 37 29
19 28 31 56 191 568 385 74 29 31 40 36 29
20 28 31 56 206 591 360 69 29 32 41 35 28
21 28 31 57 215 605 333 65 28 32 41 34 29
22 28 32 59 233 611 317 62 31 33 41 32 29
23 28 31 61 249 609 293 59 31 32 41 33 29
24 28 32 62 250 620 275 56 33 33 41 35 29
25 28 34 63 244 626 265 54 30 33 41 35 29
26 28 35 66 239 627 257 53 29 33 41 35 28
27 28 33 72 240 624 239 55 29 33 41 34 28
28 28 33 72 246 636 229 53 28 33 41 34 28
29 28 34 70 257 634 218 53 28 33 40 34 28
30 28   73 267 627 204 50 28 34 40 34 28
31 29   75   616   48 27   41   28