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 1 , 2016 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7030 .0 .0 * 23.3 25.7 91 Black Bear 8170 14.0 24.5 57 41.1 46.4 89 Blind Bull Sum 8650 16.6 11.5 144 20.7 24.4 85 Cottonwood Creek 7670 .0 .0 * 34.7 31.4 111 East Rim Divide 7930 .0 .0 * 14.7 15.0 98 Grand Targhee 9260 33.1 40.0 83 38.9 38.6 101 Granite Creek 6770 .0 .0 * 21.7 24.1 90 Grassy Lake 7265 .0 4.8 0 41.7 43.7 95 Gros Ventre Summit 8750 .0 .0 * 14.1 17.0 83 Gunsight Pass 9820 7.1 2.8 254 19.4 18.7 104 Lewis Lake Divide 7850 .0 11.6 0 36.0 42.7 84 Phillips Bench 8200 .9 9.6 9 31.2 34.2 91 Salt River Summit 7760 .0 .0 * 22.0 20.8 106 Snake River Station 6920 .0 .0 * 26.1 27.8 94 Spring Creek Divide 9000 17.4 11.5 151 31.1 29.2 107 Thumb Divide 7980 .0 .0 * 18.3 23.8 77 Togwotee Pass 9580 15.1 19.0 79 30.5 31.0 98 Two Ocean Plateau 9240 -M 24.9 * -M 34.4 * Willow Creek 8380 .0 3.8 0 42.1 42.6 99 Younts Peak 8350 .0 3.2 0 17.4 20.7 84 ----- ----- Basin Index (%) 73 94 MADISON-GALLATIN Black Bear 8170 14.0 24.5 57 41.1 46.4 89 Canyon 7870 .0 .0 * 16.7 21.0 80 Madison Plateau 7750 .0 6.2 0 27.3 33.1 82 West Yellowstone 6700 .0 .0 * 16.5 18.5 89 Whiskey Creek 6800 .0 .0 * 20.1 25.7 78 ----- ----- Basin Index (%) 46* 84 YELLOWSTONE Beartooth Lake 9360 12.9 17.1 75 21.8 25.2 87 Burnt Mtn 5880 .0 .0 * 18.2 20.8 88 Canyon 7870 .0 .0 * 16.7 21.0 80 Cole Creek 7850 4.9 9.2 53 20.3 21.3 95 Evening Star 9200 13.7 17.8 77 33.1 34.9 95 Fisher Creek 9100 21.1 28.1 75 31.4 40.1 78 Northeast Entrance 7350 .0 .0 * 14.6 16.7 87 Parker Peak 9400 6.2 13.8 45 25.2 23.8 106 Sylvan Lake 8420 .0 6.6 0 29.0 29.3 99 Thumb Divide 7980 .0 .0 * 18.3 23.8 77 Two Ocean Plateau 9240 -M 24.9 * -M 34.4 * White Mill 8700 10.4 16.9 62 25.7 30.4 85 Wolverine 7650 .0 .0 * 14.6 16.5 88 ----- ----- Basin Index (%) 63 89 WIND RIVER Burroughs Creek 8750 .0 -M * 19.0 -M * Castle Creek 8400 .0 -M * 11.2 -M * Cold Springs 9630 .0 .0 * 18.0 15.4 117 Deer Park 9700 12.2 3.1 394 28.2 27.0 104 Hobbs Park 10100 16.8 6.1 275 28.1 20.5 137 Kirwin 9550 .0 1.7 0 19.6 17.0 115 Little Warm 9370 .0 .0 * 16.1 18.4 88 Owl Creek 8975 .0 .0 * 13.3 10.7 124 South Pass 9040 6.7 .2 3350* 22.5 23.6 95 St. Lawrence Alt 8620 .0 .0 * 19.7 14.5 136 Togwotee Pass 9580 15.1 19.0 79 30.5 31.0 98 Townsend Creek 8700 .0 .0 * 24.8 18.2 136 ----- ----- Basin Index (%) 169* 112 BIGHORN BASIN Bald Mtn. 9380 9.3 13.7 68 17.9 23.5 76 Bear Trap Meadow 8200 .0 .0 * 12.5 13.8 91 Bone Springs Div 9350 5.0 8.6 58 17.0 22.2 77 Grave Springs 8550 .0 .0 * 12.1 16.2 75 Kirwin 9550 .0 1.7 0 19.6 17.0 115 Marquette 8760 .0 -M * 16.4 -M * Middle Powder 7760 .0 .0 * 14.7 17.4 84 Owl Creek 8975 .0 .0 * 13.3 10.7 124 Powder River Pass 9480 .0 .0 * 14.1 18.7 75 Shell Creek 9580 7.1 8.9 80 15.2 19.9 76 Timber Creek 7950 .0 .0 * 17.9 13.6 132 ----- ----- Basin Index (%) 65* 89 SHOSHONE RIVER Blackwater 9780 18.4 19.6 94 30.0 27.4 109 Evening Star 9200 13.7 17.8 77 33.1 34.9 95 Marquette 8760 .0 -M * 16.4 -M * Sylvan Road 7120 .0 .0 * 18.9 21.3 89 Younts Peak 8350 .0 3.2 0 17.4 20.7 84 ----- ----- Basin Index (%) 79 95 POWDER RIVER Bear Trap Meadow 8200 .0 .0 * 12.5 13.8 91 Cloud Peak Reservoir 9860 6.9 5.1 135 20.3 21.2 96 Grave Springs 8550 .0 .0 * 12.1 16.2 75 Hansen Sawmill 8360 .0 .0 * 14.2 14.1 101 Middle Powder 7760 .0 .0 * 14.7 17.4 84 Powder River Pass 9480 .0 .0 * 14.1 18.7 75 Soldier Park 8720 .0 -M * 13.8 -M * ----- ----- Basin Index (%) 135* 87 TONGUE RIVER Big Goose 7990 .0 .0 * 16.0 18.2 88 Bone Springs Div 9350 5.0 8.6 58 17.0 22.2 77 Burgess Junction 7880 .0 .0 * 16.6 18.1 92 Dome Lake 8880 .0 .0 * 19.0 20.3 94 Little Goose 8870 .9 -M * 19.1 -M * Sucker Creek 8880 .0 .2 0* 17.8 21.6 82 Tie Creek 6870 .0 .0 * 15.3 18.7 82 ----- ----- Basin Index (%) 57* 85 BELLE FOURCHE Cole Canyon 5910 .0 .0 * 12.1 16.8 72 ----- ----- Basin Index (%) * 72 CHEYENNE RIVER BASIN Blind Park 6890 .0 .0 * 13.7 18.4 74 North Rapid Creek 6130 .0 .0 * 10.8 16.0 68 ----- ----- Basin Index (%) * 71 UPPER N. PLATTE Arapaho Ridge 10960 23.1 7.8 296 33.3 29.2 114 Blackhall Mtn 9820 26.5 -M * 41.2 -M * Columbine 9160 .0 .0 * 33.2 31.4 106 Divide Peak 8880 1.0 .0 * 35.4 27.4 129 Joe Wright 10120 -M 13.9 * -M 34.3 * Laprele Creek 8375 .0 .0 * 18.0 18.0 100 Med Bow 10500 37.1 -M * 43.5 -M * North French Creek 10130 25.8 20.3 127 38.0 35.0 109 Never Summer 10280 18.7 15.5 121 23.7 -M * Old Battle 10000 34.1 23.9 143 42.8 43.5 98 Rawah 9020 .1 .0 * 25.6 19.6 131 Sage Creek Basin 7850 -M .0 * 18.7 17.8 105 Sand Lake 10050 28.9 20.4 142 37.4 33.2 113 South Brush Creek 8440 .0 .0 * 23.4 21.1 111 Tower 10500 39.8 36.3 110 50.3 49.3 102 Webber Springs 9250 12.3 .0 * 36.2 33.1 109 Willow Creek Pass 9540 5.1 .0 * 21.5 18.5 116 Zirkel 9340 -M .0 * 38.9 34.0 114 ----- ----- Basin Index (%) 152* 110 SWEETWATER Deer Park 9700 12.2 3.1 394 28.2 27.0 104 Larsen Creek 9000 .0 .0 * 19.3 -M * South Pass 9040 6.7 .2 3350* 22.5 23.6 95 ----- ----- Basin Index (%) 573* 100 LOWER N. PLATTE Casper Mtn. 7900 .3 .0 * 23.5 21.7 108 Laprele Creek 8375 .0 .0 * 18.0 18.0 100 Reno Hill 8400 1.4 .0 * 26.7 22.7 118 Windy Peak 7900 .0 .0 * 18.7 16.1 116 ----- ----- Basin Index (%) * 111 LARAMIE RIVER Brooklyn Lake 10240 13.4 5.0 268 32.2 28.4 113 Cinnabar Park 9574 14.0 1.1 1273* 32.3 30.2 107 Crow Creek 8330 .2 .0 * 24.0 16.2 148 Deadman Hill 10220 14.9 7.8 191 27.2 24.0 113 Rawah 9020 .1 .0 * 25.6 19.6 131 Roach 9700 11.6 1.8 644 32.0 25.7 125 ----- ----- Basin Index (%) 345 120 S. PLATTE Black Mountain 8920 .0 -M * 24.5 -M * Crow Creek 8330 .2 .0 * 24.0 16.2 148 Deadman Hill 10220 14.9 7.8 191 27.2 24.0 113 ----- ----- Basin Index (%) 194* 127 LITTLE SNAKE RIVER Battle Mountain 7440 .0 .0 * 24.6 19.2 128 Divide Peak 8880 1.0 .0 * 35.4 27.4 129 Elk River 8700 .0 .0 * 24.5 25.4 96 Little Snake River 8915 12.2 1.9 642* 43.7 36.1 121 Old Battle 10000 34.1 23.9 143 42.8 43.5 98 Sage Creek Basin 7850 -M .0 * 18.7 17.8 105 Sandstone RS 8150 -M .0 * 21.4 23.2 92 Whiskey Park 8950 21.3 6.3 338 39.9 34.9 114 ----- ----- Basin Index (%) 214* 110 UPPER GREEN RIVER Big Sandy Opening 9080 .0 .0 * 18.9 17.8 106 Blind Bull Sum 8650 16.6 11.5 144 20.7 24.4 85 East Rim Divide 7930 .0 .0 * 14.7 15.0 98 Elkhart Park G.S. 9400 .0 .0 * 17.4 17.9 97 Gros Ventre Summit 8750 .0 .0 * 14.1 17.0 83 Gunsight Pass 9820 7.1 2.8 254 19.4 18.7 104 Kendall R.S. 7740 -M .0 * 15.9 17.6 90 Loomis Park 8240 .0 .0 * 20.4 21.5 95 New Fork Lake 8340 .0 .0 * 16.0 14.6 110 Pocket Creek 9360 -M -M * 16.6 -M * Snider Basin 8060 .0 .0 * 19.9 17.5 114 Spring Creek Divide 9000 17.4 11.5 151 31.1 29.2 107 Triple Peak 8500 .0 .0 * 33.5 31.5 106 ----- ----- Basin Index (%) 159* 100 LOWER GREEN RIVER Blacks Fork Jct 8870 .1 -M * 18.6 -M * Buck Pasture 9700 .0 -M * 25.0 -M * EF Blacks Fork GS 9360 .0 -M * 20.5 -M * Hams Fork 7840 .0 .0 * 17.0 15.2 112 Hewinta 9519 .0 .0 * 20.4 18.6 110 Hickerson Park 9145 .0 .0 * 20.9 14.4 145 Hole-in-Rock 9150 .0 .0 * 20.8 14.0 149 Indian Creek 9425 11.9 10.4 114 26.2 28.0 94 Kelley R.S. 8180 -M .0 * 23.2 22.8 102 Spirit Lk 10235 11.6 -M * 28.6 -M * Steel Creek Park 10200 16.8 9.4 179 28.9 22.1 131 ----- ----- Basin Index (%) 145* 117 UPPER BEAR RIVER Bear River RS 8777 .0 -M * 18.8 -M * Bug Lake 7950 .3 .0 * 24.8 24.4 102 Burts Miller Ranch 8000 .0 -M * 9.9 -M * Chalk Creek #1 8993 2.4 6.0 40 29.5 32.0 92 Hayden Fork 9212 .0 .0 * 27.6 26.8 103 Kelley R.S. 8180 -M .0 * 23.2 22.8 102 Lily Lake 9156 .0 .0 * 21.8 22.3 98 Monte Cristo 8960 8.3 4.2 198 35.6 32.8 109 Salt River Summit 7760 .0 .0 * 22.0 20.8 106 ----- ----- Basin Index (%) 108* 101 ----------------------------------------------------------------------------- -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.