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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.

UPDATED July 25, 2022: The following stations are part of a short-term project and are scheduled to be discontinued on September 30, 2022 if alternative funding can not be secured.
  • 06192900 Dugout Creek near mouth, near Willsall, MT
  • 12355342 Hallowat Creek above Kletomus Creek, near Olney, MT
  • 12355347 Big Creek below Lookout Creek, near Apgar, MT

Please contact the Wyoming-Montana Science Center for more information.

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 12390700 Prospect Creek at Thompson Falls MT


Sanders County, Montana
Hydrologic Unit Code 17010213
Latitude  47°35'09.82", Longitude 115°21'18.36" NAD83
Drainage area 182  square miles
Gage datum 2,382.4 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 1956-10-01 -> 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 92 134 168 338 624 741 255 99 67 53 54 121
2 92 132 163 343 626 736 243 97 67 53 56 115
3 91 126 161 349 640 737 233 95 65 52 58 121
4 89 123 161 351 654 716 223 94 65 52 61 128
5 88 129 161 355 677 695 214 92 64 52 60 130
6 88 131 163 384 697 681 205 91 64 51 59 117
7 90 131 166 409 710 656 197 90 63 51 61 107
8 93 148 167 421 712 631 190 88 63 51 66 100
9 95 197 169 432 728 609 182 87 62 51 64 95
10 104 172 183 437 743 574 176 85 61 51 63 94
11 103 152 189 434 757 544 169 85 61 51 65 95
12 100 146 198 436 760 527 162 84 61 53 72 100
13 101 140 210 442 768 518 157 83 60 54 71 104
14 100 134 212 468 774 510 153 81 60 53 69 106
15 114 133 227 474 792 504 148 81 59 53 68 107
16 179 137 250 467 820 504 143 80 59 52 69 104
17 171 140 241 464 854 498 138 78 58 51 68 102
18 150 144 241 467 863 471 135 77 58 51 68 100
19 136 153 271 473 849 444 131 76 58 51 67 98
20 131 177 261 500 843 423 128 76 57 50 67 95
21 125 191 258 536 834 403 124 75 57 50 69 93
22 120 191 251 540 825 386 121 74 56 51 72 92
23 115 180 257 551 815 371 118 73 56 51 80 101
24 112 174 261 591 815 356 115 73 55 50 97 105
25 114 175 264 602 813 339 113 72 55 50 122 101
26 114 175 270 577 817 320 110 71 54 51 121 114
27 112 170 275 565 808 302 108 70 54 52 108 123
28 111 168 281 574 791 287 105 70 53 52 99 109
29 109 214 289 579 781 278 103 69 53 53 104 98
30 111   303 595 779 267 102 68 53 53 135 94
31 131   326   764   100 68   54   92