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USGS Daily Statistics for Montana

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Questions or concerns about USGS data and data products in Montana and Wyoming can be directed to the Wyoming-Montana Water Science Center Data Management Section.


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 -> 2021-09-30)

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 84 268 609 189 45 27 33 41 34
2 28 31 33 89 268 600 180 44 27 34 40 35
3 28 30 33 90 282 605 174 45 26 34 41 34
4 28 30 34 97 313 602 166 41 25 35 41 33
5 28 31 34 108 332 582 154 41 26 36 40 32
6 28 31 35 112 345 578 148 41 26 37 39 32
7 28 30 35 115 369 566 141 38 25 38 40 31
8 29 31 36 118 376 552 132 36 25 37 42 30
9 28 33 37 121 385 536 123 35 28 37 41 30
10 28 32 39 123 401 515 116 34 29 37 40 30
11 28 33 41 132 409 496 115 34 28 37 39 30
12 28 32 42 139 419 483 110 33 29 38 38 30
13 27 32 43 148 438 478 105 34 29 38 39 30
14 28 32 45 159 451 453 100 33 28 38 39 30
15 28 32 48 165 454 422 90 32 29 39 37 30
16 28 32 53 166 482 430 83 32 29 39 38 29
17 29 31 53 171 526 446 80 31 30 39 36 29
18 28 31 55 184 547 412 81 29 31 39 37 29
19 28 31 56 191 568 388 75 29 31 39 36 28
20 28 31 56 208 592 363 70 29 32 40 35 28
21 28 31 57 217 608 336 66 28 32 41 34 28
22 28 31 59 235 614 320 62 31 33 41 33 28
23 28 31 61 251 611 296 59 31 32 41 33 29
24 28 32 62 252 623 278 57 33 33 41 35 29
25 28 34 63 246 629 267 54 30 33 41 35 28
26 28 35 67 240 629 260 53 30 34 42 35 28
27 28 33 72 242 627 242 55 30 34 41 34 28
28 28 32 72 247 638 231 54 28 34 41 34 28
29 28 34 70 257 637 220 53 29 34 40 34 28
30 28   73 267 629 206 51 28 34 40 34 28
31 29   75   618   48 28   41   28