Supercell over Laramie
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Wyoming Snow Precipitation Update


United States Natural Resources Water and Climate Center Department of Conservation Portland, Oregon Agriculture Service S N O W - P R E C I P I T A T I O N U P D A T E Based on Mountain Data from NRCS SNOTEL Sites As of MONDAY: JUNE 3 , 2019 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7060 .0 .0 * 26.0 25.9 100 Black Bear 8170 33.7 22.3 151 53.5 46.6 115 Blind Bull Sum 8650 22.5 9.9 227 25.1 24.5 102 Cottonwood Creek 7670 2.5 .0 * 34.7 31.7 109 East Rim Divide 7930 .0 .0 * 17.2 15.2 113 Grand Targhee 9260 43.6 39.1 112 41.6 38.8 107 Granite Creek 6770 .0 .0 * 27.5 24.3 113 Grassy Lake 7265 -M 2.2 * -M 44.0 * Gros Ventre Summit 8750 -M .0 * 17.1 17.2 99 Gunsight Pass 9820 11.0 1.7 647 20.9 18.8 111 Lewis Lake Divide 7850 13.8 9.5 145 45.6 43.0 106 Phillips Bench 8200 14.1 7.9 178 39.0 34.4 113 Salt River Summit 7640 .0 .0 * 23.0 21.0 110 Snake River Station 6920 .0 .0 * 30.5 28.0 109 Spring Creek Divide 9000 18.4 10.1 182 30.1 29.3 103 Thumb Divide 7980 .0 .0 * 24.0 24.0 100 Togwotee Pass 9580 22.1 18.3 121 31.7 31.2 102 Two Ocean Plateau 9240 24.7 23.6 105 31.7 34.6 92 Willow Creek 8080 12.2 2.3 530* 45.6 42.8 107 Younts Peak 8350 -M 1.8 * -M 20.9 * ----- ----- Basin Index (%) 151* 106 MADISON-GALLATIN Black Bear 8170 33.7 22.3 151 53.5 46.6 115 Canyon 7870 .4 .0 * 20.7 21.1 98 Madison Plateau 7750 13.4 4.3 312 35.7 33.5 107 West Yellowstone 6700 .0 .0 * 22.0 18.8 117 Whiskey Creek 6800 .1 .0 * 28.2 26.0 108 ----- ----- Basin Index (%) 179* 110 YELLOWSTONE Beartooth Lake 9360 23.6 15.9 148 27.7 25.4 109 Burnt Mtn 5880 .0 .0 * 26.8 21.0 128 Canyon 7870 .4 .0 * 20.7 21.1 98 Cole Creek 7850 18.0 7.2 250 24.0 21.6 111 Evening Star 9200 24.5 16.4 149 38.9 35.2 111 Fisher Creek 9100 31.0 27.2 114 44.4 40.4 110 Northeast Entrance 7350 .0 .0 * 19.2 16.9 114 Parker Peak 9400 22.1 12.3 180 32.2 24.0 134 Sylvan Lake 8420 7.3 4.3 170 34.0 29.5 115 Thumb Divide 7980 .0 .0 * 24.0 24.0 100 Two Ocean Plateau 9240 24.7 23.6 105 31.7 34.6 92 White Mill 8700 18.8 15.5 121 27.6 30.7 90 Wolverine 7650 .0 .0 * 18.4 16.6 111 Younts Peak 8350 -M 1.8 * -M 20.9 * ----- ----- Basin Index (%) 139 108 WIND RIVER Burroughs Creek 8750 .0 -M * 20.9 -M * Castle Creek 8400 .0 -M * 12.7 -M * Cold Springs 9630 .1 .0 * 16.3 15.5 105 Deer Park 9700 12.4 1.5 827* 26.6 27.2 98 Hobbs Park 10100 19.5 4.8 406 23.2 20.8 112 Kirwin 9550 7.9 .9 878* 20.1 17.1 118 Little Warm 9370 .0 .0 * 12.2 18.6 66 Owl Creek 8975 2.4 .0 * 16.4 10.9 150 South Pass 9040 8.7 .2 4350* 20.6 23.8 87 St. Lawrence Alt 8620 -M .0 * -M 14.7 * Togwotee Pass 9580 22.1 18.3 121 31.7 31.2 102 Townsend Creek 8700 6.1 .0 * 21.9 18.4 119 ----- ----- Basin Index (%) 308* 103 BIGHORN BASIN Bald Mtn. 9380 21.1 12.6 167 23.4 23.7 99 Bear Trap Meadow 8200 .0 .0 * 14.8 14.1 105 Bone Springs Div 9350 14.1 6.6 214 20.0 22.4 89 Grave Springs 8550 .6 .0 * 17.0 16.3 104 Kirwin 9550 7.9 .9 878* 20.1 17.1 118 Marquette 8760 11.0 -M * 24.3 -M * Middle Powder 7760 .0 .0 * 19.0 17.5 109 Owl Creek 8975 2.4 .0 * 16.4 10.9 150 Powder River Pass 9480 .2 .0 * 15.1 19.0 79 Shell Creek 9580 14.2 7.5 189 18.0 20.1 90 Timber Creek 7950 .2 .0 * 19.2 13.8 139 ----- ----- Basin Index (%) 220* 105 SHOSHONE RIVER Blackwater 9780 27.8 18.0 154 35.2 27.6 128 Evening Star 9200 24.5 16.4 149 38.9 35.2 111 Marquette 8760 11.0 -M * 24.3 -M * Sylvan Lake 8420 7.3 4.3 170 34.0 29.5 115 Sylvan Road 7120 .0 .0 * 20.5 21.5 95 Younts Peak 8350 -M 1.8 * -M 20.9 * ----- ----- Basin Index (%) 154 113 POWDER RIVER Bear Trap Meadow 8200 .0 .0 * 14.8 14.1 105 Cloud Peak Reservoir 9860 14.5 3.1 468 22.0 21.4 103 Grave Springs 8550 .6 .0 * 17.0 16.3 104 Hansen Sawmill 8360 .1 .0 * 17.3 14.3 121 Middle Powder 7760 .0 .0 * 19.0 17.5 109 Powder River Pass 9480 .2 .0 * 15.1 19.0 79 Soldier Park 8720 1.0 -M * 15.7 -M * ----- ----- Basin Index (%) 497* 103 TONGUE RIVER Big Goose 7990 6.5 .0 * 21.5 18.3 117 Bone Springs Div 9350 14.1 6.6 214 20.0 22.4 89 Burgess Junction 7880 3.5 .0 * 17.9 18.2 98 Dome Lake 8880 8.3 .0 * 20.4 20.4 100 Little Goose 8870 9.9 -M * 15.7 -M * Sucker Creek 8880 10.1 .0 * 21.6 21.7 100 Tie Creek 6870 .1 .0 * 23.8 18.9 126 ----- ----- Basin Index (%) 645* 104 BELLE FOURCHE Blind Park 6890 .0 .0 * 11.8 18.8 63 Cole Canyon 5910 .0 .0 * 22.2 17.1 130 ----- ----- Basin Index (%) * 95 CHEYENNE RIVER BASIN Blind Park 6890 .0 .0 * 11.8 18.8 63 North Rapid Creek 6130 -M .0 * -M 16.4 * ----- ----- Basin Index (%) * 63 UPPER N. PLATTE Arapaho Ridge 10960 25.5 6.2 411 35.7 29.5 121 Blackhall Mtn 9820 28.7 -M * 42.6 -M * Columbine 9160 2.1 .0 * 36.2 31.6 115 Divide Peak 8880 1.6 .0 * 31.4 27.6 114 Joe Wright 10120 21.2 13.0 163 38.3 34.6 111 Laprele Creek 8375 .0 .0 * 20.8 18.2 114 Med Bow 10500 41.8 -M * 45.4 -M * Never Summer 10280 23.6 14.7 161 25.9 -M * North French Creek 10130 29.3 18.8 156 39.0 35.2 111 Old Battle 10000 40.6 22.0 185 47.1 43.7 108 Rawah 9020 .1 .0 * 23.2 19.9 117 Sage Creek Basin 7850 -M .0 * 21.1 18.0 117 Sand Lake 10050 32.1 19.6 164 33.0 33.4 99 South Brush Creek 8440 .0 .0 * 18.0 21.2 85 Tower 10500 56.7 35.0 162 58.1 49.5 117 Webber Springs 9250 16.2 .0 * 40.2 33.2 121 Whiskey Park 8950 17.7 4.1 432 40.8 35.1 116 Willow Creek Pass 9540 9.6 .0 * 22.9 18.7 122 Zirkel 9340 12.5 .0 * 46.1 34.4 134 ----- ----- Basin Index (%) 216* 114 SWEETWATER Deer Park 9700 12.4 1.5 827* 26.6 27.2 98 Larsen Creek 9000 .0 .0 * 18.3 -M * South Pass 9040 8.7 .2 4350* 20.6 23.8 87 ----- ----- Basin Index (%) 1241* 93 LOWER N. PLATTE Casper Mtn. 7900 2.6 .0 * 23.1 21.9 105 Laprele Creek 8375 .0 .0 * 20.8 18.2 114 Reno Hill 8400 7.6 .0 * 27.2 22.9 119 Windy Peak 7900 .1 .0 * 16.9 16.3 104 ----- ----- Basin Index (%) * 111 LARAMIE RIVER Brooklyn Lake 10240 16.7 3.2 522 34.3 28.5 120 Cinnabar Park 9574 13.5 .0 * 31.5 30.6 103 Crow Creek 8330 .1 .0 * 17.1 16.4 104 Deadman Hill 10220 15.4 5.7 270 26.0 24.2 107 Rawah 9020 .1 .0 * 23.2 19.9 117 Roach 9700 7.7 1.0 770* 30.3 25.9 117 Windy Peak 7900 .1 .0 * 16.9 16.3 104 ----- ----- Basin Index (%) 541* 111 S. PLATTE Black Mountain 8920 .1 -M * 19.7 -M * Crow Creek 8330 .1 .0 * 17.1 16.4 104 Deadman Hill 10220 15.4 5.7 270 26.0 24.2 107 ----- ----- Basin Index (%) 272* 106 LITTLE SNAKE RIVER Battle Mountain 7440 .0 .0 * 22.2 19.3 115 Divide Peak 8880 1.6 .0 * 31.4 27.6 114 Elk River 8700 .0 .0 * 26.3 25.6 103 Little Snake River 8915 14.8 1.0 1480* 46.8 36.3 129 Old Battle 10000 40.6 22.0 185 47.1 43.7 108 Sage Creek Basin 7850 -M .0 * 21.1 18.0 117 Sandstone RS 8150 -M .0 * 23.9 23.4 102 Whiskey Park 8950 17.7 4.1 432 40.8 35.1 116 ----- ----- Basin Index (%) 276* 113 UPPER GREEN RIVER Big Sandy Opening 9080 1.0 .0 * 19.7 18.0 109 Blind Bull Sum 8650 22.5 9.9 227 25.1 24.5 102 East Rim Divide 7930 .0 .0 * 17.2 15.2 113 Elkhart Park G.S. 9400 6.7 .0 * 20.8 18.1 115 Gros Ventre Summit 8750 -M .0 * 17.1 17.2 99 Gunsight Pass 9820 11.0 1.7 647 20.9 18.8 111 Indian Creek 9425 18.1 9.1 199 26.7 28.2 95 Kendall R.S. 7740 .1 .0 * 16.8 17.8 94 Loomis Park 8240 .3 .0 * 22.9 21.6 106 New Fork Lake 8340 .0 .0 * 16.6 14.7 113 Pocket Creek 9360 6.0 -M * 19.3 -M * Snider Basin 8060 .0 .0 * 18.4 17.6 105 Spring Creek Divide 9000 18.4 10.1 182 30.1 29.3 103 Triple Peak 8500 -M .0 * -M 31.7 * ----- ----- Basin Index (%) 254* 105 LOWER GREEN RIVER Blacks Fork Jct 8869 .0 -M * 18.7 -M * Buck Pasture 9632 4.6 -M * 27.6 -M * EF Blacks Fork GS 9360 .1 -M * 19.1 -M * Hams Fork 7840 .0 .0 * 19.5 15.4 127 Hewinta 9500 .0 .0 * 21.2 18.8 113 Hickerson Park 9122 .0 .0 * 17.7 14.5 122 Hole-in-Rock 9168 .0 .0 * 17.4 14.1 123 Indian Creek 9425 18.1 9.1 199 26.7 28.2 95 Kelley R.S. 8180 .4 .0 * 23.9 23.0 104 Spirit Lk 10235 12.2 -M * 24.8 -M * Steel Creek Park 10158 14.9 8.7 171 27.1 22.3 122 ----- ----- Basin Index (%) 188* 113 UPPER BEAR RIVER Bear River RS 8777 .0 -M * 20.8 -M * Bug Lake 7987 4.2 .0 * 32.3 24.6 131 Burts Miller Ranch 8000 .0 -M * 11.5 -M * Chalk Creek #1 9171 15.9 4.3 370 38.7 32.2 120 Hayden Fork 9130 .0 .0 * 30.7 26.9 114 Kelley R.S. 8180 .4 .0 * 23.9 23.0 104 Lily Lake 9133 .0 .0 * 22.4 22.5 100 Monte Cristo 8932 24.0 2.6 923* 42.2 33.0 128 Salt River Summit 7640 .0 .0 * 23.0 21.0 110 Spring Creek Divide 9000 18.4 10.1 182 30.1 29.3 103 ----- ----- Basin Index (%) 370* 114 ----------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. Units = inches for the Current and Normal Snow Water Equivalent and Total Precipitation values If the Basin Index (%) value is flagged as potentially invalid, care should be taken to evaluate if the value is representative of conditions in the basin. The SNOW WATER EQUIVALENT Percent of Median represents the snow water equivalent found at selected SNOTEL sites in or near the basin compared to the Median value for those sites on this day. The TOTAL PRECIPITATION Percent of Average represents the total precipitation (beginning October 1st) found at selected SNOTEL sites in or near the basin compared to the Average value for those sites on this day. Contact your state water supply staff for assistance. Medians and averages are calculated for the period 1981-2010. Provisional data, subject to revision. * Site -- Either: (a) the current value is missing; (b) the median or average for the day is not available or is zero; or (c) for snow water equivalent, the median for the day is less than 10% of the maximum median value for the year. * Basin - More than half of the sites within the basin are flagged with *, preventing the calculation of a meaningful basin index. The basin index is calculated as the sum of the valid current values divided by the sum of the corresponding medians (for snow water equivalent) or averages (for precipitation) and the resulting fraction multiplied by 100. ---------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. Units = inches for the Current and Normal Snow Water Equivalent and Total Precipitation values If the Basin Index (%) value is flagged as potentially invalid, care should be taken to evaluate if the value is representative of conditions in the basin. The SNOW WATER EQUIVALENT Percent of Median represents the snow water equivalent found at selected SNOTEL sites in or near the basin compared to the Median value for those sites on this day. The TOTAL PRECIPITATION Percent of Average represents the total precipitation (beginning October 1st) found at selected SNOTEL sites in or near the basin compared to the Average value for those sites on this day. Contact your state water supply staff for assistance. Medians and averages are calculated for the period 1981-2010. Provisional data, subject to revision. * Site -- Either: (a) the current value is missing; (b) the median or average for the day is not available or is zero; or (c) for snow water equivalent, the median for the day is less than 10% of the maximum median value for the year. * Basin - More than half of the sites within the basin are flagged with *, preventing the calculation of a meaningful basin index. The basin index is calculated as the sum of the valid current values divided by the sum of the corresponding medians (for snow water equivalent) or averages (for precipitation) and the resulting fraction multiplied by 100.