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USGS Daily Statistics for Wyoming

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

UPDATED July 27, 2020: USGS current stream monitoring information will continue at the following sites with funding from partner agencies and USGS Cooperative Matching Funds:
  • 06298000 Tongue River near Dayton, WY - Funded through Sep 30, 2021
  • 06311000 North Fork Powder River near Hazelton, WY - Funded through Sep 30, 2020 only
  • 06324970 Little Powder River above Dry Creek near Weston, WY - Funded through Sep 30, 2021
  • 06429905 Sand Creek near Ranch A near Beulah, WY - Funded through Sep 30, 2020 only
  • 09205000 New Fork River near Big Piney, WY - Funded through Sep 30, 2020 only
  • 13016450 Fish Creek at Wilson, WY - Partner: Teton Conservation District
UPDATED July 12, 2020: USGS current streamflow monitoring information will be discontinued at the following sites effective August 1, 2020:
  • 06289600 West Pass Creek near Parkman, WY (37 yrs)
  • 06289820 East Pass Creek near Dayton, WY (37 yrs)
  • 06297500 Highline Ditch near Dayton, WY
  • 06311400 North Fork Powder River below Pass Creek near Mayoworth, WY (46 yrs)
  • 06392900 Beaver Creek at Mallo Camp near Four Corners, WY (37 yrs)
  • 06392950 Stockade Beaver Creek near Newcastle, WY (37 yrs)
  • 06429500 Cold Springs Creek at Buckhorn, WY (37 yrs)
USGS monitoring activities at these sites had been supported through June 30, 2020 with funding from our partner agency and USGS cooperative matching funds. Without funding from another partner, current water-resources information from these sites will no longer be available from the USGS. Historical data will continue to be available from USGS. Questions or concerns 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 -> 2020-09-30)

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
1 115 104 107 179 1,140 4,750 2,730 501 243 222 201 137
2 114 103 107 186 1,200 4,780 2,590 488 242 220 193 137
3 114 105 107 193 1,340 4,790 2,480 469 243 220 191 134
4 113 105 109 206 1,500 4,830 2,370 459 228 224 190 130
5 113 105 109 215 1,640 5,030 2,240 441 223 218 186 126
6 113 105 110 217 1,770 5,130 2,120 416 221 225 185 125
7 113 105 109 224 1,930 5,030 2,010 398 222 228 181 125
8 113 105 111 237 2,020 4,910 1,890 386 216 233 187 125
9 113 105 113 253 2,140 4,790 1,770 379 221 226 188 124
10 113 106 115 268 2,180 4,670 1,680 372 223 223 182 125
11 111 105 116 297 2,250 4,560 1,590 368 225 224 174 125
12 109 107 118 320 2,400 4,550 1,500 358 221 224 170 126
13 110 106 118 347 2,590 4,590 1,390 354 222 220 168 126
14 109 105 120 391 2,670 4,570 1,310 337 215 217 164 126
15 109 105 120 414 2,850 4,490 1,220 321 219 220 163 125
16 108 105 124 432 3,070 4,570 1,130 317 218 228 162 123
17 108 106 127 456 3,240 4,440 1,060 309 222 224 159 120
18 107 107 129 486 3,330 4,270 989 309 230 219 156 120
19 109 106 131 526 3,470 4,190 939 309 239 219 158 120
20 108 106 135 603 3,650 4,080 900 311 236 221 157 121
21 107 105 137 706 3,860 3,960 848 302 240 214 151 120
22 106 106 139 779 3,950 3,910 785 297 235 209 147 119
23 106 106 141 844 3,980 3,810 745 288 226 207 145 118
24 107 106 140 863 4,070 3,680 719 282 228 204 150 120
25 109 106 144 874 4,240 3,530 677 272 225 205 148 120
26 110 106 148 887 4,280 3,450 653 273 219 207 144 119
27 109 107 150 922 4,340 3,360 620 264 225 204 144 119
28 107 108 151 986 4,490 3,130 594 254 221 206 141 120
29 107 102 151 1,080 4,710 2,960 568 251 219 210 140 118
30 106   152 1,130 4,730 2,870 548 246 222 205 140 118
31 106   159   4,650   521 251   209   117