Page Loading - Please Wait...

Click to hideNews Bulletins

USGS Daily Statistics for Montana

Click to hide state-specific text

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 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
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 -> 2025-09-30)

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 90 131 168 338 622 731 253 98 67 53 54 119
2 91 129 172 341 626 726 241 97 66 52 55 114
3 89 123 173 346 642 728 231 95 65 52 57 119
4 87 120 172 348 657 711 221 93 65 52 60 126
5 86 126 170 352 681 690 212 92 64 51 59 128
6 86 128 170 379 705 675 203 91 64 51 58 115
7 88 128 171 403 718 650 195 89 63 51 60 105
8 91 144 170 414 716 625 189 88 62 51 65 98
9 94 191 171 424 727 603 181 87 62 51 63 94
10 102 167 184 429 738 570 175 85 61 51 62 93
11 101 148 189 426 749 544 167 84 61 51 64 94
12 98 143 196 430 752 528 161 83 60 53 70 98
13 99 137 208 436 761 519 156 82 60 53 69 102
14 98 132 210 462 768 509 152 81 59 52 67 105
15 111 130 224 469 787 503 147 80 59 52 66 105
16 173 134 247 462 814 502 142 79 58 52 67 102
17 166 138 239 459 849 496 137 78 58 51 66 100
18 146 141 239 461 858 469 134 77 58 51 66 98
19 133 150 268 465 843 441 131 76 57 50 65 96
20 128 173 260 491 834 420 127 76 57 50 65 93
21 122 186 257 524 823 400 123 75 56 50 68 91
22 118 186 251 527 813 383 120 74 56 50 71 90
23 113 176 256 537 801 369 117 73 55 50 78 99
24 110 170 261 576 799 353 114 72 55 50 94 102
25 111 171 264 587 797 336 112 72 54 50 118 99
26 112 171 271 564 801 317 110 71 54 50 118 111
27 110 167 275 553 796 299 108 70 53 51 106 120
28 109 165 283 564 784 285 105 69 53 52 97 107
29 107 209 292 570 772 276 103 69 53 52 101 96
30 109   306 590 768 265 101 68 53 53 131 92
31 128   327   753   99 67   53   90