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 WEDNESDAY: JUNE 5 , 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 26.1 100 Black Bear 8170 31.8 20.2 157 54.1 47.0 115 Blind Bull Sum 8650 21.1 8.2 257 25.1 24.7 102 Cottonwood Creek 7670 .1 .0 * 34.8 31.9 109 East Rim Divide 7930 .0 .0 * 17.2 15.4 112 Grand Targhee 9260 41.6 38.3 109 41.8 39.3 106 Granite Creek 6770 .0 .0 * 27.9 24.6 113 Grassy Lake 7265 -M .3 * -M 44.3 * Gros Ventre Summit 8750 -M .0 * 17.5 17.3 101 Gunsight Pass 9820 9.9 .4 2475* 21.0 19.0 111 Lewis Lake Divide 7850 10.4 7.3 142 45.5 43.2 105 Phillips Bench 8200 12.3 6.3 195 39.0 34.8 112 Salt River Summit 7640 .0 .0 * 23.3 21.2 110 Snake River Station 6920 .0 .0 * 30.5 28.2 108 Spring Creek Divide 9000 16.7 8.2 204 30.2 29.5 102 Thumb Divide 7980 .1 .0 * 23.9 24.2 99 Togwotee Pass 9580 19.8 18.0 110 31.7 31.4 101 Two Ocean Plateau 9240 22.5 22.5 100 31.8 34.8 91 Willow Creek 8080 9.0 .4 2250* 45.7 43.2 106 Younts Peak 8350 -M 1.1 * -M 21.1 * ----- ----- Basin Index (%) 150* 106 MADISON-GALLATIN Black Bear 8170 31.8 20.2 157 54.1 47.0 115 Canyon 7870 .3 .0 * 20.8 21.3 98 Madison Plateau 7750 11.1 2.9 383 36.0 33.8 107 West Yellowstone 6700 .0 .0 * 22.1 19.2 115 Whiskey Creek 6800 .0 .0 * 28.7 26.3 109 ----- ----- Basin Index (%) 187* 110 YELLOWSTONE Beartooth Lake 9360 22.2 14.7 151 27.8 25.6 109 Burnt Mtn 5880 .0 .0 * 26.9 21.2 127 Canyon 7870 .3 .0 * 20.8 21.3 98 Cole Creek 7850 15.8 5.3 298 24.1 21.8 111 Evening Star 9200 22.9 15.2 151 39.0 35.5 110 Fisher Creek 9100 30.2 25.9 117 44.4 40.7 109 Northeast Entrance 7350 .0 .0 * 19.2 17.1 112 Parker Peak 9400 19.7 11.0 179 32.3 24.2 133 Sylvan Lake 8420 5.1 2.5 204 34.1 29.8 114 Thumb Divide 7980 .1 .0 * 23.9 24.2 99 Two Ocean Plateau 9240 22.5 22.5 100 31.8 34.8 91 White Mill 8700 16.8 14.2 118 27.6 31.0 89 Wolverine 7650 .0 .0 * 18.5 16.8 110 Younts Peak 8350 -M 1.1 * -M 21.1 * ----- ----- Basin Index (%) 140 108 WIND RIVER Burroughs Creek 8750 .0 -M * 21.3 -M * Castle Creek 8400 .0 -M * 12.7 -M * Cold Springs 9630 .0 .0 * 16.6 15.8 105 Deer Park 9700 10.6 .1 10600* 26.7 27.5 97 Hobbs Park 10100 18.2 3.6 506 23.4 21.0 111 Kirwin 9550 5.7 .5 1140* 20.1 17.4 116 Little Warm 9370 .0 .0 * 12.3 18.8 65 Owl Creek 8975 .5 .0 * 16.4 11.1 148 South Pass 9040 6.5 .0 * 20.6 24.0 86 St. Lawrence Alt 8620 -M .0 * -M 15.0 * Togwotee Pass 9580 19.8 18.0 110 31.7 31.4 101 Townsend Creek 8700 3.6 .0 * 22.3 18.6 120 ----- ----- Basin Index (%) 292* 102 BIGHORN BASIN Bald Mtn. 9380 19.3 11.3 171 23.5 23.9 98 Bear Trap Meadow 8200 .0 .0 * 14.8 14.2 104 Bone Springs Div 9350 11.9 4.9 243 20.0 22.7 88 Grave Springs 8550 .0 .0 * 16.9 16.4 103 Kirwin 9550 5.7 .5 1140* 20.1 17.4 116 Marquette 8760 9.2 -M * 24.3 -M * Middle Powder 7760 .0 .0 * 19.2 17.7 108 Owl Creek 8975 .5 .0 * 16.4 11.1 148 Powder River Pass 9480 .0 .0 * 15.1 19.2 79 Shell Creek 9580 12.1 6.3 192 18.0 20.3 89 Timber Creek 7950 .1 .0 * 19.2 14.0 137 ----- ----- Basin Index (%) 216* 104 SHOSHONE RIVER Blackwater 9780 25.7 16.8 153 35.3 27.8 127 Evening Star 9200 22.9 15.2 151 39.0 35.5 110 Marquette 8760 9.2 -M * 24.3 -M * Sylvan Lake 8420 5.1 2.5 204 34.1 29.8 114 Sylvan Road 7120 .0 .0 * 20.5 21.7 94 Younts Peak 8350 -M 1.1 * -M 21.1 * ----- ----- Basin Index (%) 156 112 POWDER RIVER Bear Trap Meadow 8200 .0 .0 * 14.8 14.2 104 Cloud Peak Reservoir 9860 12.6 1.9 663 22.0 21.6 102 Grave Springs 8550 .0 .0 * 16.9 16.4 103 Hansen Sawmill 8360 .0 .0 * 17.4 14.6 119 Middle Powder 7760 .0 .0 * 19.2 17.7 108 Powder River Pass 9480 .0 .0 * 15.1 19.2 79 Soldier Park 8720 .0 -M * 15.7 -M * ----- ----- Basin Index (%) 663* 102 TONGUE RIVER Big Goose 7990 3.9 .0 * 21.4 18.5 116 Bone Springs Div 9350 11.9 4.9 243 20.0 22.7 88 Burgess Junction 7880 .4 .0 * 18.7 18.4 102 Dome Lake 8880 6.8 .0 * 21.1 20.6 102 Little Goose 8870 7.5 -M * 15.7 -M * Sucker Creek 8880 7.8 .0 * 21.7 21.9 99 Tie Creek 6870 .1 .0 * 23.7 19.0 125 ----- ----- Basin Index (%) 631* 105 BELLE FOURCHE Blind Park 6890 .0 .0 * 11.8 19.0 62 Cole Canyon 5910 .0 .0 * 22.2 17.5 127 ----- ----- Basin Index (%) * 93 CHEYENNE RIVER BASIN Blind Park 6890 .0 .0 * 11.8 19.0 62 North Rapid Creek 6130 -M .0 * -M 16.6 * ----- ----- Basin Index (%) * 62 UPPER N. PLATTE Arapaho Ridge 10960 24.5 4.8 510 35.7 29.8 120 Blackhall Mtn 9820 26.1 -M * 42.8 -M * Columbine 9160 -M .0 * 36.4 31.8 114 Divide Peak 8880 .0 .0 * 31.7 27.7 114 Joe Wright 10120 20.4 11.8 173 38.3 34.8 110 Laprele Creek 8375 .0 .0 * 20.7 18.4 112 Med Bow 10500 40.0 -M * 45.4 -M * Never Summer 10280 22.4 13.6 165 26.0 -M * North French Creek 10130 26.9 17.6 153 39.0 35.5 110 Old Battle 10000 39.2 19.4 202 47.2 44.0 107 Rawah 9020 .1 .0 * 23.3 20.3 115 Sage Creek Basin 7850 -M .0 * 21.1 18.1 117 Sand Lake 10050 30.1 18.5 163 33.2 33.7 99 South Brush Creek 8440 .0 .0 * 18.1 21.4 85 Tower 10500 54.7 33.6 163 58.3 49.8 117 Webber Springs 9250 14.3 .0 * 40.3 33.4 121 Whiskey Park 8950 14.0 2.0 700* 40.8 35.3 116 Willow Creek Pass 9540 7.3 .0 * 22.8 18.9 121 Zirkel 9340 10.3 .0 * 46.1 34.6 133 ----- ----- Basin Index (%) 218* 113 SWEETWATER Deer Park 9700 10.6 .1 10600* 26.7 27.5 97 Larsen Creek 9000 .0 .0 * 18.4 -M * South Pass 9040 6.5 .0 * 20.6 24.0 86 ----- ----- Basin Index (%) 17100* 92 LOWER N. PLATTE Casper Mtn. 7900 .0 .0 * 23.3 22.2 105 Laprele Creek 8375 .0 .0 * 20.7 18.4 112 Reno Hill 8400 4.6 .0 * 27.4 23.1 119 Windy Peak 7900 .2 .0 * 16.9 16.6 102 ----- ----- Basin Index (%) * 110 LARAMIE RIVER Brooklyn Lake 10240 14.1 1.8 783* 34.5 28.6 121 Cinnabar Park 9574 11.3 .0 * 31.6 31.0 102 Crow Creek 8330 .1 .0 * 17.1 17.3 99 Deadman Hill 10220 13.1 3.7 354 26.0 24.4 107 Rawah 9020 .1 .0 * 23.3 20.3 115 Roach 9700 5.3 .2 2650* 30.3 26.1 116 Windy Peak 7900 .2 .0 * 16.9 16.6 102 ----- ----- Basin Index (%) 775* 109 S. PLATTE Black Mountain 8920 .0 -M * 19.7 -M * Crow Creek 8330 .1 .0 * 17.1 17.3 99 Deadman Hill 10220 13.1 3.7 354 26.0 24.4 107 ----- ----- Basin Index (%) 357* 103 LITTLE SNAKE RIVER Battle Mountain 7440 .0 .0 * 22.1 19.5 113 Divide Peak 8880 .0 .0 * 31.7 27.7 114 Elk River 8700 .0 .0 * 26.2 25.8 102 Little Snake River 8915 12.1 .5 2420* 46.8 36.7 128 Old Battle 10000 39.2 19.4 202 47.2 44.0 107 Sage Creek Basin 7850 -M .0 * 21.1 18.1 117 Sandstone RS 8150 -M .0 * 24.0 23.6 102 Whiskey Park 8950 14.0 2.0 700* 40.8 35.3 116 ----- ----- Basin Index (%) 298* 113 UPPER GREEN RIVER Big Sandy Opening 9080 .1 .0 * 19.7 18.3 108 Blind Bull Sum 8650 21.1 8.2 257 25.1 24.7 102 East Rim Divide 7930 .0 .0 * 17.2 15.4 112 Elkhart Park G.S. 9400 4.7 .0 * 21.1 18.3 115 Gros Ventre Summit 8750 -M .0 * 17.5 17.3 101 Gunsight Pass 9820 9.9 .4 2475* 21.0 19.0 111 Indian Creek 9425 16.3 7.3 223 26.8 28.4 94 Kendall R.S. 7740 .0 .0 * 16.9 18.0 94 Loomis Park 8240 .3 .0 * 22.9 21.8 105 New Fork Lake 8340 .0 .0 * 16.8 15.0 112 Pocket Creek 9360 3.9 -M * 19.3 -M * Snider Basin 8060 .0 .0 * 18.5 17.8 104 Spring Creek Divide 9000 16.7 8.2 204 30.2 29.5 102 Triple Peak 8500 -M .0 * -M 31.9 * ----- ----- Basin Index (%) 287* 104 LOWER GREEN RIVER Blacks Fork Jct 8869 .1 -M * 18.8 -M * Buck Pasture 9632 2.4 -M * 27.9 -M * EF Blacks Fork GS 9360 .0 -M * 19.1 -M * Hams Fork 7840 .0 .0 * 19.6 15.6 126 Hewinta 9500 .0 .0 * 21.6 18.9 114 Hickerson Park 9122 .0 .0 * 17.8 14.6 122 Hole-in-Rock 9168 .1 .0 * 17.7 14.2 125 Indian Creek 9425 16.3 7.3 223 26.8 28.4 94 Kelley R.S. 8180 .4 .0 * 24.0 23.2 103 Spirit Lk 10235 10.8 -M * 24.9 -M * Steel Creek Park 10158 13.7 7.6 180 27.2 22.4 121 ----- ----- Basin Index (%) 205* 113 UPPER BEAR RIVER Bear River RS 8777 .0 -M * 21.0 -M * Bug Lake 7987 .6 .0 * 32.3 24.8 130 Burts Miller Ranch 8000 .0 -M * 11.5 -M * Chalk Creek #1 9171 13.3 2.8 475 38.6 32.4 119 Hayden Fork 9130 .0 .0 * 30.6 27.1 113 Kelley R.S. 8180 .4 .0 * 24.0 23.2 103 Lily Lake 9133 .0 .0 * 22.5 22.7 99 Monte Cristo 8932 21.1 .0 * 42.1 33.2 127 Salt River Summit 7640 .0 .0 * 23.3 21.2 110 Spring Creek Divide 9000 16.7 8.2 204 30.2 29.5 102 ----- ----- Basin Index (%) 474* 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.