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 THURSDAY: JUNE 2 , 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 12.5 23.4 53 41.1 46.5 88 Blind Bull Sum 8650 15.1 10.7 141 20.7 24.4 85 Cottonwood Creek 7670 .0 .0 * 34.6 31.5 110 East Rim Divide 7930 .0 .0 * 14.7 15.1 97 Grand Targhee 9260 31.9 39.6 81 38.9 38.8 100 Granite Creek 6770 .0 .0 * 21.9 24.2 90 Grassy Lake 7265 .0 3.6 0 41.7 43.9 95 Gros Ventre Summit 8750 .0 .0 * 14.2 17.1 83 Gunsight Pass 9820 6.0 2.3 261 19.5 18.8 104 Lewis Lake Divide 7850 .0 10.6 0 36.0 42.8 84 Phillips Bench 8200 .2 8.8 2 31.1 34.3 91 Salt River Summit 7760 .0 .0 * 22.0 20.9 105 Snake River Station 6920 .0 .0 * 26.1 27.9 94 Spring Creek Divide 9000 16.4 10.7 153 31.1 29.2 107 Thumb Divide 7980 .0 .0 * 18.4 23.9 77 Togwotee Pass 9580 14.0 18.6 75 30.6 31.1 98 Two Ocean Plateau 9240 -M 24.2 * -M 34.5 * Willow Creek 8380 .0 3.0 0 42.1 42.7 99 Younts Peak 8350 .0 2.4 0 17.7 20.8 85 ----- ----- Basin Index (%) 72 94 MADISON-GALLATIN Black Bear 8170 12.5 23.4 53 41.1 46.5 88 Canyon 7870 .0 .0 * 16.8 21.1 80 Madison Plateau 7750 .0 5.2 0 27.3 33.4 82 West Yellowstone 6700 .0 .0 * 16.5 18.7 88 Whiskey Creek 6800 .0 .0 * 20.1 25.8 78 ----- ----- Basin Index (%) 44* 84 YELLOWSTONE Beartooth Lake 9360 12.0 16.5 73 21.9 25.3 87 Burnt Mtn 5880 .0 .0 * 18.2 20.9 87 Canyon 7870 .0 .0 * 16.8 21.1 80 Cole Creek 7850 3.9 8.2 48 20.3 21.4 95 Evening Star 9200 12.7 17.1 74 33.2 35.0 95 Fisher Creek 9100 19.8 27.7 71 31.3 40.2 78 Northeast Entrance 7350 .0 .0 * 14.7 16.8 88 Parker Peak 9400 5.0 13.1 38 25.3 23.9 106 Sylvan Lake 8420 .0 5.4 0 29.0 29.4 99 Thumb Divide 7980 .0 .0 * 18.4 23.9 77 Two Ocean Plateau 9240 -M 24.2 * -M 34.5 * White Mill 8700 9.3 16.2 57 25.7 30.6 84 Wolverine 7650 .0 .0 * 14.6 16.6 88 ----- ----- Basin Index (%) 60 88 WIND RIVER Burroughs Creek 8750 .0 -M * 19.2 -M * Castle Creek 8400 .0 -M * 11.2 -M * Cold Springs 9630 .0 .0 * 18.3 15.4 119 Deer Park 9700 11.1 2.3 483 28.3 27.1 104 Hobbs Park 10100 15.7 5.5 285 28.1 20.6 136 Kirwin 9550 .0 1.3 0 19.7 17.0 116 Little Warm 9370 .0 .0 * 16.3 18.5 88 Owl Creek 8975 .0 .0 * 13.3 10.8 123 South Pass 9040 5.0 .2 2500* 22.6 23.7 95 St. Lawrence Alt 8620 .0 .0 * 19.7 14.6 135 Togwotee Pass 9580 14.0 18.6 75 30.6 31.1 98 Townsend Creek 8700 .0 .0 * 24.9 18.3 136 ----- ----- Basin Index (%) 164* 113 BIGHORN BASIN Bald Mtn. 9380 7.9 13.2 60 18.3 23.6 78 Bear Trap Meadow 8200 .0 .0 * 12.7 14.0 91 Bone Springs Div 9350 3.9 7.6 51 17.0 22.3 76 Grave Springs 8550 .0 .0 * 12.2 16.2 75 Kirwin 9550 .0 1.3 0 19.7 17.0 116 Marquette 8760 .0 -M * 16.6 -M * Middle Powder 7760 .0 .0 * 14.9 17.4 86 Owl Creek 8975 .0 .0 * 13.3 10.8 123 Powder River Pass 9480 .0 .0 * 14.4 18.8 77 Shell Creek 9580 6.0 8.2 73 15.2 20.0 76 Timber Creek 7950 .0 .0 * 17.9 13.6 132 ----- ----- Basin Index (%) 59* 90 SHOSHONE RIVER Blackwater 9780 17.7 18.8 94 30.1 27.5 109 Evening Star 9200 12.7 17.1 74 33.2 35.0 95 Marquette 8760 .0 -M * 16.6 -M * Sylvan Road 7120 .0 .0 * 18.8 21.4 88 Younts Peak 8350 .0 2.4 0 17.7 20.8 85 ----- ----- Basin Index (%) 79 95 POWDER RIVER Bear Trap Meadow 8200 .0 .0 * 12.7 14.0 91 Cloud Peak Reservoir 9860 5.9 4.0 148 20.5 21.3 96 Grave Springs 8550 .0 .0 * 12.2 16.2 75 Hansen Sawmill 8360 .1 .0 * 14.3 14.2 101 Middle Powder 7760 .0 .0 * 14.9 17.4 86 Powder River Pass 9480 .0 .0 * 14.4 18.8 77 Soldier Park 8720 .0 -M * 13.8 -M * ----- ----- Basin Index (%) 150* 87 TONGUE RIVER Big Goose 7990 .2 .0 * 16.3 18.2 90 Bone Springs Div 9350 3.9 7.6 51 17.0 22.3 76 Burgess Junction 7880 .0 .0 * 16.9 18.2 93 Dome Lake 8880 .5 .0 * 19.4 20.4 95 Little Goose 8870 .1 -M * 19.1 -M * Sucker Creek 8880 .0 .0 * 18.7 21.6 87 Tie Creek 6870 -M .0 * 15.4 18.8 82 ----- ----- Basin Index (%) 61* 87 BELLE FOURCHE Cole Canyon 5910 .0 .0 * 12.4 17.0 73 ----- ----- Basin Index (%) * 73 CHEYENNE RIVER BASIN Blind Park 6890 .0 .0 * 13.6 18.6 73 North Rapid Creek 6130 .0 .0 * 10.8 16.2 67 ----- ----- Basin Index (%) * 70 UPPER N. PLATTE Arapaho Ridge 10960 22.1 7.0 316 33.3 29.3 114 Blackhall Mtn 9820 25.2 -M * 41.3 -M * Columbine 9160 .0 .0 * 33.0 31.6 104 Divide Peak 8880 .2 .0 * 35.3 27.5 128 Joe Wright 10120 -M 13.4 * -M 34.4 * Laprele Creek 8375 .0 .0 * 18.2 18.1 101 Med Bow 10500 36.7 -M * 43.5 -M * North French Creek 10130 24.8 19.6 127 38.0 35.1 108 Never Summer 10280 18.8 15.2 124 23.7 -M * Old Battle 10000 33.2 23.0 144 42.7 43.6 98 Rawah 9020 .1 .0 * 25.5 19.7 129 Sage Creek Basin 7850 -M .0 * 18.7 18.0 104 Sand Lake 10050 28.1 20.0 140 37.4 33.3 112 South Brush Creek 8440 .0 .0 * 23.2 21.1 110 Tower 10500 38.2 35.6 107 50.3 49.4 102 Webber Springs 9250 11.3 .0 * 36.2 33.2 109 Willow Creek Pass 9540 3.9 .0 * 21.6 18.6 116 Zirkel 9340 1.5 .0 * 39.0 34.2 114 ----- ----- Basin Index (%) 151* 110 SWEETWATER Deer Park 9700 11.1 2.3 483 28.3 27.1 104 Larsen Creek 9000 .1 .0 * 19.4 -M * South Pass 9040 5.0 .2 2500* 22.6 23.7 95 ----- ----- Basin Index (%) 648* 100 LOWER N. PLATTE Casper Mtn. 7900 .0 .0 * 23.7 21.8 109 Laprele Creek 8375 .0 .0 * 18.2 18.1 101 Reno Hill 8400 .6 .0 * 27.0 22.8 118 Windy Peak 7900 .0 .0 * 18.9 16.2 117 ----- ----- Basin Index (%) * 111 LARAMIE RIVER Brooklyn Lake 10240 12.0 4.0 300 32.2 28.4 113 Cinnabar Park 9574 13.0 .0 * 32.2 30.5 106 Crow Creek 8330 .2 .0 * 24.0 16.3 147 Deadman Hill 10220 14.7 6.8 216 27.2 24.1 113 Rawah 9020 .1 .0 * 25.5 19.7 129 Roach 9700 10.4 1.4 743* 32.0 25.8 124 ----- ----- Basin Index (%) 413* 120 S. PLATTE Black Mountain 8920 .0 -M * 24.5 -M * Crow Creek 8330 .2 .0 * 24.0 16.3 147 Deadman Hill 10220 14.7 6.8 216 27.2 24.1 113 ----- ----- Basin Index (%) 219* 127 LITTLE SNAKE RIVER Battle Mountain 7440 .0 .0 * 24.6 19.3 127 Divide Peak 8880 .2 .0 * 35.3 27.5 128 Elk River 8700 .1 .0 * 24.5 25.5 96 Little Snake River 8915 11.0 1.4 786* 43.6 36.3 120 Old Battle 10000 33.2 23.0 144 42.7 43.6 98 Sage Creek Basin 7850 -M .0 * 18.7 18.0 104 Sandstone RS 8150 -M .0 * 21.5 23.3 92 Whiskey Park 8950 17.6 5.2 338 39.9 35.0 114 ----- ----- Basin Index (%) 210* 110 UPPER GREEN RIVER Big Sandy Opening 9080 .0 .0 * 18.9 17.9 106 Blind Bull Sum 8650 15.1 10.7 141 20.7 24.4 85 East Rim Divide 7930 .0 .0 * 14.7 15.1 97 Elkhart Park G.S. 9400 .0 .0 * 17.3 18.0 96 Gros Ventre Summit 8750 .0 .0 * 14.2 17.1 83 Gunsight Pass 9820 6.0 2.3 261 19.5 18.8 104 Kendall R.S. 7740 -M .0 * 15.9 17.7 90 Loomis Park 8240 .0 .0 * 20.4 21.6 94 New Fork Lake 8340 .0 .0 * 16.1 14.6 110 Pocket Creek 9360 -M -M * 16.6 -M * Snider Basin 8060 .0 .0 * 19.9 17.6 113 Spring Creek Divide 9000 16.4 10.7 153 31.1 29.2 107 Triple Peak 8500 .0 .0 * 33.5 31.6 106 ----- ----- Basin Index (%) 158* 99 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 15.3 111 Hewinta 9519 .0 .0 * 20.3 18.7 109 Hickerson Park 9145 .0 .0 * 20.9 14.4 145 Hole-in-Rock 9150 .0 .0 * 20.9 14.0 149 Indian Creek 9425 10.7 9.8 109 26.3 28.1 94 Kelley R.S. 8180 -M .0 * 23.2 22.9 101 Spirit Lk 10235 10.4 -M * 28.6 -M * Steel Creek Park 10200 15.7 9.1 173 28.9 22.2 130 ----- ----- Basin Index (%) 140* 116 UPPER BEAR RIVER Bear River RS 8777 .0 -M * 18.8 -M * Bug Lake 7950 .2 .0 * 24.9 24.5 102 Burts Miller Ranch 8000 .0 -M * 9.9 -M * Chalk Creek #1 8993 .9 5.1 18 29.5 32.1 92 Hayden Fork 9212 .0 .0 * 27.6 26.8 103 Kelley R.S. 8180 -M .0 * 23.2 22.9 101 Lily Lake 9156 .0 .0 * 21.8 22.4 97 Monte Cristo 8960 6.8 3.4 200 35.6 32.9 108 Salt River Summit 7760 .0 .0 * 22.0 20.9 105 ----- ----- Basin Index (%) 93* 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.