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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 06048650 E Gallatin R ab Water Reclamation Fa nr Bozeman MT


Gallatin County, Montana
Hydrologic Unit Code 10020008
Latitude  45°43'32.4", Longitude 111°03'58.3" NAD83
Drainage area 226  square miles
Gage datum 4,625 feet above NGVD29
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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 2014-10-01 -> 2024-09-30)

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 46 48 59 126 509 384 149 48 43 59 64 55
2 46 50 59 129 497 366 135 50 40 61 67 55
3 47 49 58 135 489 362 132 54 39 61 70 55
4 48 48 55 147 487 350 134 53 45 65 67 53
5 48 49 55 161 507 332 125 53 47 64 68 51
6 47 48 56 161 530 325 115 56 43 61 67 50
7 47 50 63 161 574 313 111 58 44 59 62 51
8 48 52 68 199 591 298 109 53 45 57 63 52
9 47 49 63 225 570 276 103 53 49 56 59 51
10 47 48 59 223 560 260 98 54 48 54 61 48
11 48 47 61 223 556 242 99 48 47 56 58 49
12 49 47 69 229 535 225 91 45 48 60 57 48
13 49 49 72 220 517 242 85 46 47 61 59 48
14 47 50 73 218 485 244 83 47 48 59 58 47
15 44 50 83 220 473 227 80 47 51 57 57 46
16 44 50 96 219 482 219 81 44 56 57 60 44
17 46 51 98 232 515 218 78 42 56 58 58 44
18 48 51 99 227 512 227 73 42 54 59 57 45
19 47 52 106 238 483 220 68 48 55 58 58 46
20 48 50 117 264 454 208 63 59 61 64 59 46
21 46 48 105 336 432 207 60 58 72 61 56 46
22 47 49 103 350 409 200 58 53 71 62 56 46
23 48 49 115 395 414 186 60 51 69 64 59 46
24 47 52 119 392 406 195 60 47 62 59 64 44
25 45 55 113 393 388 178 56 47 59 57 58 42
26 44 57 107 403 381 166 54 49 57 62 58 42
27 46 54 108 429 387 158 56 54 55 63 57 39
28 46 56 116 449 380 155 61 51 55 60 57 39
29 47 63 121 484 385 171 56 45 55 59 55 39
30 48   121 503 411 156 53 45 56 60 53 41
31 47   127   397   50 44   63   44