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USGS Daily Statistics for Montana

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Questions or concerns about USGS streamflow data in Montana and Wyoming can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).


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 -> 2019-09-30)

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
1 115 104 107 180 1,140 4,710 2,720 500 244 220 200 137
2 114 103 107 186 1,200 4,730 2,570 488 243 218 191 137
3 114 105 107 193 1,350 4,740 2,460 470 244 218 190 134
4 113 105 109 207 1,510 4,780 2,360 459 228 222 189 130
5 113 105 109 216 1,650 4,980 2,240 441 224 217 185 126
6 114 105 110 217 1,780 5,080 2,110 416 222 224 184 125
7 113 105 109 225 1,930 4,970 2,000 398 223 227 181 125
8 114 105 111 237 2,030 4,870 1,880 386 216 233 187 125
9 114 105 112 251 2,150 4,780 1,770 378 220 224 187 124
10 113 106 115 266 2,190 4,670 1,680 371 222 223 181 125
11 112 105 116 296 2,260 4,570 1,590 367 224 224 174 125
12 109 107 117 320 2,400 4,540 1,500 358 220 223 170 126
13 110 107 118 347 2,580 4,570 1,380 354 221 220 167 126
14 110 105 120 392 2,640 4,540 1,300 337 215 216 164 126
15 109 105 121 416 2,810 4,460 1,220 322 220 219 163 125
16 108 105 124 434 3,030 4,540 1,130 317 219 228 161 122
17 108 106 127 458 3,190 4,410 1,060 309 223 224 159 119
18 107 108 128 489 3,310 4,250 986 310 230 218 156 119
19 109 106 131 528 3,470 4,170 937 311 239 218 159 120
20 108 106 134 601 3,660 4,060 899 313 236 221 157 120
21 107 106 137 702 3,880 3,960 847 303 237 213 152 120
22 106 107 139 777 3,970 3,920 784 298 232 208 148 119
23 106 106 140 840 4,010 3,820 745 289 224 206 146 119
24 107 106 138 857 4,090 3,690 719 283 226 203 150 120
25 109 106 142 868 4,270 3,530 676 273 223 204 148 120
26 110 106 147 879 4,300 3,450 653 274 218 206 144 119
27 109 107 148 916 4,360 3,360 620 265 224 204 144 119
28 107 108 149 984 4,510 3,120 593 254 220 205 141 120
29 107 102 149 1,080 4,720 2,950 568 252 217 210 140 119
30 107   151 1,140 4,720 2,860 548 246 220 205 140 118
31 106   159   4,620   520 252   209   117