Water Resources Data System & State Climate Office

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 SATURDAY: JUNE 17 , 2017 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7030 .1 .0 * 45.1 27.4 165 Black Bear 8170 19.8 9.6 206 64.8 48.8 133 Blind Bull Sum 8650 -M .0 * 41.8 25.7 163 Cottonwood Creek 7670 .0 .0 * 47.6 33.3 143 East Rim Divide 7930 .2 .0 * 25.3 16.1 157 Grand Targhee 9260 26.0 32.8 79 56.2 42.6 132 Granite Creek 6770 .1 .0 * 41.4 25.4 163 Grassy Lake 7265 -M .0 * 65.9 46.2 143 Gros Ventre Summit 8750 .1 .0 * 28.9 18.5 156 Gunsight Pass 9820 1.7 .0 * 31.5 20.3 155 Lewis Lake Divide 7850 1.4 .0 * 63.1 44.8 141 Phillips Bench 8200 2.7 .0 * 53.5 36.2 148 Salt River Summit 7760 .1 .0 * 33.3 22.1 151 Snake River Station 6920 .0 .0 * 41.8 29.6 141 Spring Creek Divide 9000 8.9 .0 * 47.3 30.6 155 Thumb Divide 7980 .4 .0 * 32.5 25.5 127 Togwotee Pass 9580 16.8 12.2 138 47.5 32.8 145 Two Ocean Plateau 9240 -M 14.5 * -M 36.5 * Willow Creek 8380 -M .0 * 61.9 44.9 138 Younts Peak 8350 .2 .0 * 37.8 22.5 168 ----- ----- Basin Index (%) 144* 146 MADISON-GALLATIN Black Bear 8170 19.8 9.6 206 64.8 48.8 133 Canyon 7870 .0 .0 * 31.0 22.6 137 Madison Plateau 7750 .0 .0 * 43.7 35.3 124 West Yellowstone 6700 .2 .0 * 28.1 20.2 139 Whiskey Creek 6800 .1 .0 * 33.6 27.8 121 ----- ----- Basin Index (%) 209* 130 YELLOWSTONE Beartooth Lake 9360 21.3 7.1 300 35.0 27.0 130 Burnt Mtn 5880 .0 .0 * 24.7 23.5 105 Canyon 7870 .0 .0 * 31.0 22.6 137 Cole Creek 7850 .0 .4 0* 20.5 23.7 86 Evening Star 9200 15.7 7.9 199 54.2 37.6 144 Fisher Creek 9100 23.8 16.5 144 55.7 43.0 130 Northeast Entrance 7350 .0 .0 * 25.6 18.7 137 Parker Peak 9400 10.3 4.5 229 43.7 26.1 167 Sylvan Lake 8420 .2 .0 * 45.7 31.9 143 Thumb Divide 7980 .4 .0 * 32.5 25.5 127 Two Ocean Plateau 9240 -M 14.5 * -M 36.5 * White Mill 8700 9.0 6.7 134 42.7 32.9 130 Wolverine 7650 -M .0 * 26.5 18.0 147 ----- ----- Basin Index (%) 187* 132 WIND RIVER Burroughs Creek 8750 .0 -M * 32.4 -M * Castle Creek 8400 .0 -M * 20.6 -M * Cold Springs 9630 .0 .0 * 25.7 16.8 153 Deer Park 9700 10.0 .0 * 48.6 29.1 167 Hobbs Park 10100 10.8 .0 * 39.2 22.1 177 Kirwin 9550 .2 .0 * 32.5 18.8 173 Little Warm 9370 .0 .0 * 29.6 19.9 149 Owl Creek 8975 .0 .0 * 18.5 12.2 152 South Pass 9040 .9 .0 * 39.0 25.1 155 St. Lawrence Alt 8620 .1 .0 * 24.0 16.0 150 Togwotee Pass 9580 16.8 12.2 138 47.5 32.8 145 Townsend Creek 8700 .1 .0 * 33.5 19.6 171 ----- ----- Basin Index (%) 319* 159 BIGHORN BASIN Bald Mtn. 9380 .3 2.3 13 25.0 25.7 97 Bear Trap Meadow 8200 .0 .0 * 19.6 15.4 127 Bone Springs Div 9350 .0 .0 * 24.8 24.5 101 Grave Springs 8550 .0 .0 * 16.8 17.6 95 Kirwin 9550 .2 .0 * 32.5 18.8 173 Marquette 8760 .1 -M * 28.2 -M * Middle Powder 7760 .0 .0 * 18.2 19.1 95 Owl Creek 8975 .0 .0 * 18.5 12.2 152 Powder River Pass 9480 .1 .0 * 22.9 20.9 110 Shell Creek 9580 .0 .0 * 22.6 22.1 102 Timber Creek 7950 .0 .0 * 20.0 15.5 129 ----- ----- Basin Index (%) 26* 115 SHOSHONE RIVER Blackwater 9780 24.5 11.4 215 51.1 29.5 173 Evening Star 9200 15.7 7.9 199 54.2 37.6 144 Marquette 8760 .1 -M * 28.2 -M * Sylvan Road 7120 .0 .0 * -M 23.2 * Younts Peak 8350 .2 .0 * 37.8 22.5 168 ----- ----- Basin Index (%) 209* 160 POWDER RIVER Bear Trap Meadow 8200 .0 .0 * 19.6 15.4 127 Cloud Peak Reservoir 9860 .0 .0 * 30.7 23.3 132 Grave Springs 8550 .0 .0 * 16.8 17.6 95 Hansen Sawmill 8360 .0 .0 * -M 16.0 * Middle Powder 7760 .0 .0 * 18.2 19.1 95 Powder River Pass 9480 .1 .0 * 22.9 20.9 110 Soldier Park 8720 .0 -M * 25.2 -M * ----- ----- Basin Index (%) * 112 TONGUE RIVER Big Goose 7990 .2 .0 * 22.7 19.7 115 Bone Springs Div 9350 .0 .0 * 24.8 24.5 101 Burgess Junction 7880 .0 .0 * 22.2 19.9 112 Dome Lake 8880 -M .0 * 26.9 22.3 121 Little Goose 8870 .0 -M * 27.2 -M * Sucker Creek 8880 .0 .0 * 24.5 23.6 104 Tie Creek 6870 .1 .0 * 26.0 21.0 124 ----- ----- Basin Index (%) * 112 BELLE FOURCHE Cole Canyon 5910 .0 .0 * 15.8 19.1 83 ----- ----- Basin Index (%) * 83 CHEYENNE RIVER BASIN Blind Park 6890 .0 .0 * 16.9 20.7 82 North Rapid Creek 6130 .0 .0 * 17.4 18.5 94 ----- ----- Basin Index (%) * 88 UPPER N. PLATTE Arapaho Ridge 10960 .7 .0 * 33.6 31.0 108 Blackhall Mtn 9820 1.5 -M * 45.9 -M * Columbine 9160 .0 .0 * 35.4 32.5 109 Divide Peak 8880 .0 .0 * 28.4 28.6 99 Joe Wright 10120 .2 1.7 12* 38.3 35.9 107 Laprele Creek 8375 .0 .0 * 19.1 19.3 99 Med Bow 10500 13.4 -M * 45.0 -M * North French Creek 10130 .3 7.4 4 37.2 36.8 101 Never Summer 10280 1.9 3.5 54 26.7 -M * Old Battle 10000 15.1 2.2 686* 47.2 45.1 105 Rawah 9020 .1 .0 * 23.5 21.2 111 Sage Creek Basin 7850 -M .0 * 19.4 18.9 103 Sand Lake 10050 14.0 7.5 187 36.5 35.1 104 South Brush Creek 8440 .0 .0 * 18.4 22.3 83 Tower 10500 16.1 18.6 87 56.5 51.1 111 Webber Springs 9250 .1 .0 * 40.5 34.3 118 Willow Creek Pass 9540 .1 .0 * 23.8 19.7 121 Zirkel 9340 .0 .0 * 51.0 36.0 142 ----- ----- Basin Index (%) 119* 109 SWEETWATER Deer Park 9700 10.0 .0 * 48.6 29.1 167 Larsen Creek 9000 .2 .0 * 29.1 -M * South Pass 9040 .9 .0 * 39.0 25.1 155 ----- ----- Basin Index (%) * 162 LOWER N. PLATTE Casper Mtn. 7900 .0 .0 * 23.8 23.4 102 Laprele Creek 8375 .0 .0 * 19.1 19.3 99 Reno Hill 8400 .0 .0 * 23.5 24.2 97 Windy Peak 7900 .1 .0 * 19.1 17.7 108 ----- ----- Basin Index (%) * 101 LARAMIE RIVER Brooklyn Lake 10240 .4 .0 * 31.6 29.8 106 Cinnabar Park 9574 .0 .0 * 30.2 32.3 93 Crow Creek 8330 .0 .0 * 16.5 18.7 88 Deadman Hill 10220 .2 .0 * 30.3 25.3 120 Rawah 9020 .1 .0 * 23.5 21.2 111 Roach 9700 .0 .0 * 29.0 27.2 107 ----- ----- Basin Index (%) * 104 S. PLATTE Black Mountain 8920 -M -M * 21.2 -M * Crow Creek 8330 .0 .0 * 16.5 18.7 88 Deadman Hill 10220 .2 .0 * 30.3 25.3 120 ----- ----- Basin Index (%) * 106 LITTLE SNAKE RIVER Battle Mountain 7440 .0 .0 * 21.1 20.2 104 Divide Peak 8880 .0 .0 * 28.4 28.6 99 Elk River 8700 .0 .0 * 24.9 26.7 93 Little Snake River 8915 .2 .0 * 46.1 38.1 121 Old Battle 10000 15.1 2.2 686* 47.2 45.1 105 Sage Creek Basin 7850 -M .0 * 19.4 18.9 103 Sandstone RS 8150 .0 .0 * 20.3 24.3 84 Whiskey Park 8950 .1 .0 * 37.7 36.4 104 ----- ----- Basin Index (%) 700* 103 UPPER GREEN RIVER Big Sandy Opening 9080 .0 .0 * 28.4 19.4 146 Blind Bull Sum 8650 -M .0 * 41.8 25.7 163 East Rim Divide 7930 .2 .0 * 25.3 16.1 157 Elkhart Park G.S. 9400 .0 .0 * 29.0 19.3 150 Gros Ventre Summit 8750 .1 .0 * 28.9 18.5 156 Gunsight Pass 9820 1.7 .0 * 31.5 20.3 155 Kendall R.S. 7740 .0 .0 * 33.8 18.7 181 Loomis Park 8240 .3 .0 * 37.1 22.7 163 New Fork Lake 8340 .0 .0 * 23.7 15.9 149 Pocket Creek 9360 -M -M * -M -M * Snider Basin 8060 .0 .0 * 30.7 18.5 166 Spring Creek Divide 9000 8.9 .0 * 47.3 30.6 155 Triple Peak 8500 .2 .0 * 47.7 33.1 144 ----- ----- Basin Index (%) * 157 LOWER GREEN RIVER Blacks Fork Jct 8869 .1 -M * 20.0 -M * Buck Pasture 9632 .0 -M * 28.8 -M * EF Blacks Fork GS 9360 -M -M * 24.3 -M * Hams Fork 7840 .3 .0 * 25.8 16.4 157 Hewinta 9500 .0 .0 * 22.6 19.7 115 Hickerson Park 9122 .0 .0 * 16.7 15.3 109 Hole-in-Rock 9168 .0 .0 * 17.5 15.0 117 Indian Creek 9425 8.2 .0 * 48.3 29.4 164 Kelley R.S. 8180 .0 .0 * 36.8 24.1 153 Spirit Lk 10235 .0 -M * 22.7 -M * Steel Creek Park 10158 -M .0 * 27.1 23.1 117 ----- ----- Basin Index (%) * 136 UPPER BEAR RIVER Bear River RS 8777 .0 -M * 22.6 -M * Bug Lake 7987 .8 .0 * 40.2 25.6 157 Burts Miller Ranch 8000 .0 -M * 12.7 -M * Chalk Creek #1 9171 .0 .0 * 43.2 33.6 129 Hayden Fork 9130 .0 .0 * 33.2 28.1 118 Kelley R.S. 8180 .0 .0 * 36.8 24.1 153 Lily Lake 9133 .0 .0 * 24.5 23.6 104 Monte Cristo 8932 .4 .0 * 48.1 34.3 140 Salt River Summit 7760 .1 .0 * 33.3 22.1 151 ----- ----- Basin Index (%) * 135 ----------------------------------------------------------------------------- -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.