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USGS Surface-Water 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 06188000 Lamar River nr Tower Ranger Station YNP


Park County, Wyoming
Hydrologic Unit Code 10070001
Latitude  44°55'41.44", Longitude 110°23'39.37" NAD83
Drainage area 668  square miles
Gage datum 6,000 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 1922-10-01 -> 2021-09-30)

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
1 116 105 107 178 1,170 4,830 2,720 499 242 220 201 138
2 115 104 108 185 1,220 4,840 2,580 487 241 219 193 138
3 115 106 108 192 1,360 4,840 2,470 468 242 219 191 135
4 114 106 109 206 1,520 4,860 2,360 457 227 223 191 132
5 114 106 110 216 1,650 5,060 2,240 440 223 217 186 128
6 114 106 110 218 1,780 5,150 2,110 415 220 224 185 127
7 114 105 110 224 1,940 5,050 2,000 397 221 227 182 126
8 114 106 112 238 2,020 4,910 1,880 385 215 232 189 126
9 114 106 113 253 2,140 4,780 1,770 378 220 224 188 125
10 114 106 115 269 2,190 4,650 1,670 371 222 222 182 126
11 112 106 117 298 2,250 4,550 1,590 367 224 223 174 126
12 110 107 118 320 2,400 4,530 1,500 357 220 223 169 126
13 111 107 119 345 2,590 4,590 1,380 352 221 219 168 126
14 110 106 121 389 2,670 4,560 1,300 335 214 217 164 126
15 110 106 121 411 2,840 4,480 1,210 320 218 220 163 126
16 109 106 125 429 3,060 4,560 1,130 316 217 227 162 123
17 108 107 127 452 3,230 4,420 1,060 308 221 224 160 120
18 108 108 129 482 3,340 4,250 985 308 229 218 156 120
19 109 107 132 522 3,510 4,160 936 308 237 219 159 121
20 109 107 135 598 3,690 4,060 897 310 235 221 157 121
21 108 106 138 701 3,880 3,950 845 301 239 214 152 121
22 107 107 140 776 3,950 3,900 782 296 233 209 147 120
23 106 107 141 842 3,970 3,800 743 286 225 207 146 119
24 107 107 139 860 4,050 3,670 718 281 227 203 150 120
25 109 106 143 871 4,220 3,520 675 271 224 204 148 120
26 110 107 148 886 4,260 3,440 651 272 218 207 145 120
27 109 107 149 925 4,360 3,350 618 263 225 204 144 120
28 108 108 150 987 4,530 3,130 592 253 220 206 142 120
29 108 104 150 1,090 4,760 2,960 568 250 218 210 141 119
30 107   151 1,150 4,790 2,860 548 245 221 204 142 118
31 107   158   4,730   520 250   209   118