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 TUESDAY: JUNE 20 , 2017 ------------------------------------------------------------------------------ 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 * 45.0 27.5 164 Black Bear 8170 14.8 5.3 279 64.8 49.0 132 Blind Bull Sum 8650 -M .0 * 41.8 25.9 161 Cottonwood Creek 7670 .0 .0 * 47.8 33.5 143 East Rim Divide 7930 .2 .0 * 25.3 16.3 155 Grand Targhee 9260 -M 30.4 * 56.2 42.9 131 Granite Creek 6770 .0 .0 * 41.9 25.6 164 Grassy Lake 7265 -M .0 * 65.6 46.4 141 Gros Ventre Summit 8750 .0 .0 * 29.3 18.6 158 Gunsight Pass 9820 .0 .0 * 31.6 20.5 154 Lewis Lake Divide 7850 .0 .0 * -M 45.0 * Phillips Bench 8200 .0 .0 * 53.5 36.3 147 Salt River Summit 7760 .1 .0 * 33.2 22.3 149 Snake River Station 6920 .0 .0 * 41.8 29.8 140 Spring Creek Divide 9000 3.0 .0 * 47.3 30.8 154 Thumb Divide 7980 .5 .0 * 32.5 25.7 126 Togwotee Pass 9580 12.9 8.8 147 47.7 33.0 145 Two Ocean Plateau 9240 -M 11.8 * -M 36.8 * Willow Creek 8380 -M .0 * 62.1 45.1 138 Younts Peak 8350 .0 .0 * 38.6 22.7 170 ----- ----- Basin Index (%) 223* 146 MADISON-GALLATIN Black Bear 8170 14.8 5.3 279 64.8 49.0 132 Canyon 7870 .0 .0 * 31.2 22.9 136 Madison Plateau 7750 .0 .0 * 43.6 35.5 123 West Yellowstone 6700 .0 .0 * 28.1 20.3 138 Whiskey Creek 6800 .1 .0 * 34.1 28.0 122 ----- ----- Basin Index (%) 281* 130 YELLOWSTONE Beartooth Lake 9360 18.0 4.1 439 35.2 27.2 129 Burnt Mtn 5880 .0 .0 * 24.7 23.7 104 Canyon 7870 .0 .0 * 31.2 22.9 136 Cole Creek 7850 .0 .0 * 20.6 23.9 86 Evening Star 9200 12.0 4.6 261 54.5 38.0 143 Fisher Creek 9100 17.6 12.2 144 56.4 43.3 130 Northeast Entrance 7350 .0 .0 * 25.6 18.9 135 Parker Peak 9400 6.1 1.1 555* 44.0 26.3 167 Sylvan Lake 8420 .1 .0 * 45.6 32.1 142 Thumb Divide 7980 .5 .0 * 32.5 25.7 126 Two Ocean Plateau 9240 -M 11.8 * -M 36.8 * White Mill 8700 4.0 3.9 103 42.7 33.2 129 Wolverine 7650 -M .0 * 26.8 18.1 148 ----- ----- Basin Index (%) 225* 132 WIND RIVER Burroughs Creek 8750 .0 -M * 33.1 -M * Castle Creek 8400 .0 -M * 20.6 -M * Cold Springs 9630 .0 .0 * 26.1 16.9 154 Deer Park 9700 5.0 .0 * 48.7 29.3 166 Hobbs Park 10100 5.3 .0 * 39.7 22.4 177 Kirwin 9550 .0 .0 * 33.1 18.9 175 Little Warm 9370 .0 .0 * 30.0 20.1 149 Owl Creek 8975 .0 .0 * 18.4 12.3 150 South Pass 9040 .1 .0 * 39.2 25.2 156 St. Lawrence Alt 8620 .0 .0 * 24.0 16.1 149 Togwotee Pass 9580 12.9 8.8 147 47.7 33.0 145 Townsend Creek 8700 .0 .0 * 33.2 19.7 169 ----- ----- Basin Index (%) 265* 159 BIGHORN BASIN Bald Mtn. 9380 .0 1.0 0* 25.6 26.0 98 Bear Trap Meadow 8200 .0 .0 * 19.7 15.7 125 Bone Springs Div 9350 .0 .0 * 25.0 24.7 101 Grave Springs 8550 .0 .0 * 16.6 17.8 93 Kirwin 9550 .0 .0 * 33.1 18.9 175 Marquette 8760 .0 -M * 28.4 -M * Middle Powder 7760 .0 .0 * 18.1 19.3 94 Owl Creek 8975 .0 .0 * 18.4 12.3 150 Powder River Pass 9480 .0 .0 * 22.7 21.1 108 Shell Creek 9580 .0 .0 * 23.2 22.3 104 Timber Creek 7950 .0 .0 * 20.0 15.6 128 ----- ----- Basin Index (%) 0* 115 SHOSHONE RIVER Blackwater 9780 20.6 8.6 240 51.3 29.7 173 Evening Star 9200 12.0 4.6 261 54.5 38.0 143 Marquette 8760 .0 -M * 28.4 -M * Sylvan Road 7120 .0 .0 * 35.6 23.4 152 Younts Peak 8350 .0 .0 * 38.6 22.7 170 ----- ----- Basin Index (%) 247* 158 POWDER RIVER Bear Trap Meadow 8200 .0 .0 * 19.7 15.7 125 Cloud Peak Reservoir 9860 .0 .0 * 30.5 23.6 129 Grave Springs 8550 .0 .0 * 16.6 17.8 93 Hansen Sawmill 8360 .0 .0 * -M 16.2 * Middle Powder 7760 .0 .0 * 18.1 19.3 94 Powder River Pass 9480 .0 .0 * 22.7 21.1 108 Soldier Park 8720 .0 -M * 25.3 -M * ----- ----- Basin Index (%) * 110 TONGUE RIVER Big Goose 7990 .0 .0 * 22.7 19.9 114 Bone Springs Div 9350 .0 .0 * 25.0 24.7 101 Burgess Junction 7880 .0 .0 * 22.6 20.1 112 Dome Lake 8880 -M .0 * 27.3 22.4 122 Little Goose 8870 .0 -M * 27.2 -M * Sucker Creek 8880 .0 .0 * 25.0 23.8 105 Tie Creek 6870 .0 .0 * 26.2 21.1 124 ----- ----- Basin Index (%) * 113 BELLE FOURCHE Cole Canyon 5910 .0 .0 * 16.0 19.2 83 ----- ----- Basin Index (%) * 83 CHEYENNE RIVER BASIN Blind Park 6890 .0 .0 * 17.1 21.1 81 North Rapid Creek 6130 .0 .0 * 17.5 19.0 92 ----- ----- Basin Index (%) * 86 UPPER N. PLATTE Arapaho Ridge 10960 .1 .0 * 33.6 31.1 108 Blackhall Mtn 9820 .0 -M * 45.9 -M * Columbine 9160 .0 .0 * 35.4 32.7 108 Divide Peak 8880 .0 .0 * 28.3 28.7 99 Joe Wright 10120 .0 .0 * 38.3 36.2 106 Laprele Creek 8375 .0 .0 * 19.1 19.6 97 Med Bow 10500 8.0 -M * 45.4 -M * North French Creek 10130 .2 3.5 6 37.3 37.0 101 Never Summer 10280 .3 1.3 23* 26.7 -M * Old Battle 10000 9.0 .2 4500* 47.3 45.3 104 Rawah 9020 .1 .0 * 23.5 21.3 110 Sage Creek Basin 7850 -M .0 * 19.5 19.0 103 Sand Lake 10050 8.2 4.6 178 36.9 35.3 105 South Brush Creek 8440 .0 .0 * 18.1 22.5 80 Tower 10500 11.0 13.4 82 56.4 51.3 110 Webber Springs 9250 .0 .0 * 40.5 34.6 117 Willow Creek Pass 9540 .1 .0 * 23.8 19.9 120 Zirkel 9340 .0 .0 * 51.0 36.3 140 ----- ----- Basin Index (%) 126* 108 SWEETWATER Deer Park 9700 5.0 .0 * 48.7 29.3 166 Larsen Creek 9000 .0 .0 * 29.1 -M * South Pass 9040 .1 .0 * 39.2 25.2 156 ----- ----- Basin Index (%) * 161 LOWER N. PLATTE Casper Mtn. 7900 .0 .0 * 23.8 23.7 100 Laprele Creek 8375 .0 .0 * 19.1 19.6 97 Reno Hill 8400 .0 .0 * 23.4 24.3 96 Windy Peak 7900 .1 .0 * 19.4 17.9 108 ----- ----- Basin Index (%) * 100 LARAMIE RIVER Brooklyn Lake 10240 .2 .0 * 31.8 30.0 106 Cinnabar Park 9574 .0 .0 * 30.3 32.4 94 Crow Creek 8330 .0 .0 * 16.5 18.9 87 Deadman Hill 10220 .2 .0 * 30.3 25.4 119 Rawah 9020 .1 .0 * 23.5 21.3 110 Roach 9700 .0 .0 * 29.0 27.4 106 ----- ----- Basin Index (%) * 104 S. PLATTE Black Mountain 8920 -M -M * 21.3 -M * Crow Creek 8330 .0 .0 * 16.5 18.9 87 Deadman Hill 10220 .2 .0 * 30.3 25.4 119 ----- ----- Basin Index (%) * 106 LITTLE SNAKE RIVER Battle Mountain 7440 .0 .0 * 21.0 20.3 103 Divide Peak 8880 .0 .0 * 28.3 28.7 99 Elk River 8700 .0 .0 * 24.9 26.8 93 Little Snake River 8915 .1 .0 * 46.1 38.1 121 Old Battle 10000 9.0 .2 4500* 47.3 45.3 104 Sage Creek Basin 7850 -M .0 * 19.5 19.0 103 Sandstone RS 8150 .0 .0 * 20.1 24.5 82 Whiskey Park 8950 .1 .0 * 37.7 36.6 103 ----- ----- Basin Index (%) 4600* 102 UPPER GREEN RIVER Big Sandy Opening 9080 .0 .0 * 28.6 19.5 147 Blind Bull Sum 8650 -M .0 * 41.8 25.9 161 East Rim Divide 7930 .2 .0 * 25.3 16.3 155 Elkhart Park G.S. 9400 -M .0 * 28.9 19.5 148 Gros Ventre Summit 8750 .0 .0 * 29.3 18.6 158 Gunsight Pass 9820 .0 .0 * 31.6 20.5 154 Kendall R.S. 7740 .0 .0 * 34.0 18.9 180 Loomis Park 8240 .2 .0 * 37.2 22.8 163 New Fork Lake 8340 .0 .0 * 24.4 16.0 152 Pocket Creek 9360 -M -M * -M -M * Snider Basin 8060 .0 .0 * 30.6 18.5 165 Spring Creek Divide 9000 3.0 .0 * 47.3 30.8 154 Triple Peak 8500 .0 .0 * 48.3 33.3 145 ----- ----- Basin Index (%) * 156 LOWER GREEN RIVER Blacks Fork Jct 8869 .0 -M * 20.1 -M * Buck Pasture 9632 .0 -M * 29.1 -M * EF Blacks Fork GS 9360 .0 -M * 24.3 -M * Hams Fork 7840 .2 .0 * 25.7 16.5 156 Hewinta 9500 .0 .0 * 22.6 19.8 114 Hickerson Park 9122 .0 .0 * 16.7 15.5 108 Hole-in-Rock 9168 .0 .0 * 17.5 15.1 116 Indian Creek 9425 3.1 .0 * 48.1 29.6 162 Kelley R.S. 8180 .0 .0 * 36.8 24.2 152 Spirit Lk 10235 .0 -M * 22.7 -M * Steel Creek Park 10158 .0 .0 * 27.1 23.3 116 ----- ----- Basin Index (%) * 135 UPPER BEAR RIVER Bear River RS 8777 .0 -M * 22.7 -M * Bug Lake 7987 .0 .0 * 40.2 25.8 156 Burts Miller Ranch 8000 .0 -M * 12.7 -M * Chalk Creek #1 9171 .0 .0 * 43.3 33.7 128 Hayden Fork 9130 .0 .0 * 33.5 28.2 119 Kelley R.S. 8180 .0 .0 * 36.8 24.2 152 Lily Lake 9133 .0 .0 * 24.6 23.8 103 Monte Cristo 8932 .0 .0 * 48.3 34.4 140 Salt River Summit 7760 .1 .0 * 33.2 22.3 149 ----- ----- 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.