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USGS Daily Statistics for the Nation

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 06120500 Musselshell River at Harlowton MT


Wheatland County, Montana
Hydrologic Unit Code 10040201
Latitude  46°25'43.68", Longitude 109°50'28.30" NAD83
Drainage area 1,108  square miles
Gage datum 4,171.46 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 1906-10-01 -> 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 58 59 82 126 220 560 274 94 62 68 79 74
2 58 59 82 128 227 555 260 93 62 69 80 72
3 59 59 98 131 228 550 260 94 60 71 81 73
4 59 60 97 131 233 552 251 93 60 71 80 71
5 60 60 92 132 254 563 242 91 59 71 81 69
6 61 61 99 131 268 570 229 91 58 72 79 67
7 61 61 100 136 277 567 213 88 58 71 79 67
8 60 63 97 142 285 580 204 86 59 71 79 67
9 59 65 97 147 294 583 188 84 59 71 79 66
10 58 65 98 155 307 574 179 85 60 71 78 65
11 58 63 97 162 332 575 175 80 61 71 77 65
12 58 66 99 173 349 560 165 78 63 72 77 66
13 58 64 103 184 354 541 163 76 64 73 78 67
14 57 63 103 181 364 519 154 75 64 73 78 67
15 57 63 103 182 379 506 150 75 63 75 78 69
16 58 63 104 170 402 508 142 72 63 76 78 68
17 59 63 109 168 425 523 145 71 63 76 77 66
18 62 64 116 169 446 521 135 69 64 76 76 65
19 61 66 120 168 463 528 125 67 64 76 76 64
20 59 67 118 172 479 559 123 66 64 76 75 65
21 58 71 117 181 490 520 128 69 66 75 74 64
22 58 69 120 186 499 476 117 70 67 76 73 65
23 58 67 124 192 506 438 107 71 66 76 73 65
24 58 67 130 197 523 439 105 69 67 77 75 64
25 59 71 133 198 564 396 102 68 67 77 75 64
26 60 74 128 206 611 381 102 66 66 77 75 63
27 61 72 121 208 623 370 112 64 66 77 76 63
28 60 72 120 206 601 345 104 63 67 77 77 61
29 58 79 118 215 591 318 99 63 67 77 76 60
30 58   118 217 587 296 99 63 67 77 74 60
31 59   114   572   96 62   78   59