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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 06191000 Gardner River near Mammoth, YNP


Park County, Montana
Hydrologic Unit Code 10070001
Latitude  44°59'32.44", Longitude 110°41'27.51" NAD83
Drainage area 199  square miles
Gage datum 5,623.97 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 1938-10-01 -> 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 99 93 91 100 236 765 453 185 139 128 119 106
2 99 93 90 100 245 768 435 182 138 129 117 105
3 97 94 91 99 266 778 423 180 137 129 117 104
4 98 93 91 102 287 793 410 178 135 128 118 103
5 97 94 92 103 303 821 394 177 136 128 116 102
6 98 94 93 106 322 839 381 174 136 129 116 102
7 97 93 92 107 345 823 368 170 135 128 116 103
8 97 92 93 110 366 794 357 168 134 127 116 101
9 98 92 92 112 386 788 344 166 135 127 115 101
10 98 92 92 113 396 773 332 165 135 126 113 102
11 98 92 92 113 407 744 321 163 134 126 112 101
12 96 93 92 115 418 728 310 161 134 126 111 102
13 97 93 92 119 440 739 296 159 133 125 111 101
14 97 93 93 124 455 722 286 157 134 125 112 102
15 96 92 93 127 485 708 275 155 133 126 111 102
16 95 92 94 129 529 703 267 154 133 127 110 101
17 96 92 94 135 554 687 259 151 133 125 110 100
18 95 92 94 140 568 671 251 151 133 125 109 99
19 97 92 95 144 588 663 243 151 134 124 111 100
20 96 92 95 152 607 643 238 151 134 123 110 100
21 95 93 96 161 625 622 233 150 135 122 108 101
22 96 92 96 170 640 616 227 150 133 123 105 99
23 96 91 96 180 640 593 221 148 132 122 107 99
24 96 92 97 184 649 580 216 146 130 122 109 100
25 95 92 97 188 656 562 211 145 129 121 109 99
26 94 91 97 193 675 546 208 144 129 121 106 100
27 94 91 97 196 688 540 204 142 131 120 106 98
28 94 92 97 205 713 517 200 141 130 120 106 98
29 94 90 97 214 745 491 198 141 129 120 105 99
30 93   98 224 751 473 194 140 129 119 105 99
31 93   99   757   189 140   122   99