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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 06155500 Milk River at Malta MT


Phillips County, Montana
Hydrologic Unit Code 10050004
Latitude  48°21'43.90", Longitude 107°52'34.95" NAD83
Drainage area 11,654  square miles
Contributing drainage area 11,186  square miles
Gage datum 2,246 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 1901-10-01 -> 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 82 140 473 1,530 881 565 570 204 153 149 156 94
2 83 147 501 1,510 829 642 549 194 132 145 156 93
3 84 145 519 1,580 744 640 521 176 121 137 167 94
4 118 149 474 1,790 659 657 497 179 114 190 166 91
5 198 150 469 2,060 633 716 487 172 113 319 161 91
6 213 152 469 2,290 571 780 486 158 172 424 155 91
7 218 152 452 1,980 562 779 468 150 208 447 152 92
8 203 153 431 1,900 525 756 492 147 266 336 148 93
9 187 169 414 2,070 617 701 484 136 341 239 144 93
10 145 198 416 2,100 629 684 424 132 360 202 144 93
11 125 232 423 2,080 645 710 362 135 311 181 139 92
12 106 260 450 2,130 627 715 364 135 255 187 130 91
13 99 259 526 2,040 661 722 376 143 208 185 129 89
14 93 220 556 1,900 729 692 322 140 183 174 129 90
15 86 210 552 1,820 701 603 342 148 169 165 128 91
16 85 191 603 1,760 634 548 301 164 166 162 128 91
17 84 175 646 1,790 565 555 287 169 159 156 126 90
18 86 166 677 1,730 516 582 310 134 151 155 127 90
19 84 165 747 1,660 507 539 277 137 141 157 126 90
20 82 165 776 1,570 520 502 248 139 134 161 124 89
21 80 160 751 1,440 515 539 231 151 128 159 124 89
22 79 155 779 1,210 529 547 226 132 121 155 125 89
23 80 154 904 1,140 569 597 203 125 116 169 126 89
24 79 154 1,010 1,150 574 656 198 129 112 161 125 88
25 78 154 1,170 1,200 600 640 174 241 112 152 124 87
26 79 157 1,150 1,220 626 651 155 324 112 154 123 86
27 78 156 1,060 1,210 654 571 152 330 121 156 123 86
28 78 158 982 1,140 620 529 153 318 122 154 116 86
29 77 280 957 1,020 641 504 148 261 122 154 108 85
30 75   915 913 625 577 168 200 127 152 106 86
31 75   904   578   208 177   155   90