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USGS Daily Statistics for Montana

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Questions or concerns about USGS streamflow data in Montana and Wyoming can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).

Updated June 11, 2020 - USGS water-resources monitoring activities will be restored at the following sites:
  • 12323600 Silver Bow Creek at Opportunity, Montana (POR: 31 years)
  • 12323750 Silver Bow Creek at Warm Springs, Montana (POR: 35 years)

Updated May 12, 2020 - USGS water-resources monitoring activities were suspended effective June 1, 2020 at the following site:
  • 06088500 Muddy Creek near Vaughn, Montana (POR: 82 years)
USGS monitoring activities at this site was funded by our partner and USGS Cooperative Matching Funds (06088500). Lack of partner funding for this site resulted in suspension of all USGS monitoring activities. Efforts are ongoing to secure funding for future monitoring. Historical data will continue to be available from USGS.

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 06073500 Dearborn River near Craig MT


Lewis And Clark County, Montana
Hydrologic Unit Code 10030102
Latitude  47°11'56.49", Longitude 112°05'45.26" NAD83
Drainage area 322  square miles
Gage datum 3,800 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 1945-10-01 -> 2020-09-30)

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 57 52 58 131 387 840 342 85 51 59 76 71
2 57 52 59 132 389 820 327 83 50 61 76 71
3 57 51 58 133 407 841 315 81 49 62 76 70
4 56 55 57 130 427 921 298 79 49 63 76 69
5 55 63 59 139 440 886 284 78 50 64 75 65
6 56 64 66 156 483 840 269 76 51 64 74 63
7 58 67 64 170 560 810 254 76 50 64 74 62
8 65 61 61 172 584 866 239 74 51 64 77 62
9 63 64 63 174 579 964 229 71 51 65 77 63
10 61 59 68 182 611 910 225 69 51 65 75 65
11 58 57 70 187 625 829 215 69 50 65 74 65
12 56 57 74 187 614 838 207 68 51 66 72 65
13 55 59 92 190 627 840 200 65 50 67 71 65
14 53 59 86 199 628 786 190 65 49 67 70 64
15 53 59 89 207 636 737 179 64 50 68 70 63
16 52 61 94 214 660 745 170 64 52 69 69 61
17 54 62 94 221 702 789 162 66 52 69 69 60
18 54 60 96 233 739 758 152 63 52 69 68 59
19 55 59 100 242 739 816 149 60 52 70 69 59
20 53 59 102 267 782 749 144 59 55 71 70 59
21 53 60 103 287 855 631 137 58 57 71 69 61
22 52 59 113 305 828 571 129 56 58 72 68 65
23 52 58 111 319 808 529 124 56 59 72 68 67
24 52 57 106 333 830 495 119 61 59 71 72 68
25 53 56 110 338 953 465 114 58 59 71 73 68
26 52 56 114 336 943 440 112 55 59 74 72 64
27 51 56 112 339 942 427 113 53 59 75 70 61
28 50 57 117 356 893 404 105 53 60 76 70 59
29 50 53 116 375 915 383 99 54 59 76 69 59
30 51   115 388 924 362 95 54 59 75 71 57
31 53   130   867   90 52   75   58