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 WEDNESDAY: SEPTEMBER 24 , 2014 ------------------------------------------------------------------------------ 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 * 37.5 31.5 119 Black Bear 8170 -M .0 * -M 54.4 * Blind Bull Sum 8650 .0 .0 * 35.6 30.4 117 Cottonwood Creek 7670 .1 .0 * 50.7 38.6 131 East Rim Divide 7930 .1 .0 * 24.2 19.7 123 Grand Targhee 9260 .3 .0 * 55.5 47.3 117 Granite Creek 6770 .0 .0 * 35.5 29.3 121 Grassy Lake 7265 .2 .0 * 59.1 51.6 115 Gros Ventre Summit 8750 .0 .0 * 24.9 23.2 107 Gunsight Pass 9820 .0 .0 * 32.7 25.5 128 Lewis Lake Divide 7850 .0 .0 * 60.0 50.1 120 Phillips Bench 8200 .0 .0 * 48.3 40.9 118 Salt River Summit 7760 .0 .0 * 29.5 26.4 112 Snake River Station 6920 .0 .0 * 41.6 34.6 120 Spring Creek Divide 9000 .2 .0 * 44.7 35.4 126 Thumb Divide 7980 .0 .0 * 32.1 29.3 110 Togwotee Pass 9580 .2 .0 * 45.3 38.2 119 Two Ocean Plateau 9240 .0 .0 * 49.1 42.6 115 Willow Creek 8380 .1 .0 * 58.9 51.2 115 Younts Peak 8350 -M .0 * -M 28.8 * ----- ----- Basin Index (%) * 118 MADISON-GALLATIN Black Bear 8170 -M .0 * -M 54.4 * Canyon 7870 .0 .0 * 28.0 27.3 103 Madison Plateau 7750 .0 .0 * 41.0 40.1 102 West Yellowstone 6700 .1 .0 * 28.5 23.8 120 Whiskey Creek 6800 .0 .0 * 34.9 32.5 107 ----- ----- Basin Index (%) * 107 YELLOWSTONE Beartooth Lake 9360 .0 .0 * 45.2 32.5 139 Burnt Mtn 5880 .1 .0 * 34.4 29.2 118 Canyon 7870 .0 .0 * 28.0 27.3 103 Cole Creek 7850 .0 .0 * 32.7 30.6 107 Evening Star 9200 .1 .0 * 58.6 44.3 132 Fisher Creek 9100 .0 .0 * 59.6 51.0 117 Northeast Entrance 7350 .0 .0 * 28.7 24.5 117 Parker Peak 9400 .0 .0 * 46.6 31.3 149 Sylvan Lake 8420 .0 .0 * 46.6 37.5 124 Thumb Divide 7980 .0 .0 * 32.1 29.3 110 Two Ocean Plateau 9240 .0 .0 * 49.1 42.6 115 White Mill 8700 .0 .0 * 46.2 39.9 116 Wolverine 7650 .0 .0 * 29.2 23.0 127 ----- ----- Basin Index (%) * 121 WIND RIVER Burroughs Creek 8750 .1 .0 * 4.8 27.8 17 Castle Creek 8400 .1 -M * 22.1 -M * Cold Springs 9630 .0 .0 * 22.0 21.4 103 Deer Park 9700 .0 .0 * 30.8 34.6 89 Hobbs Park 10100 .0 .0 * 25.2 27.3 92 Kirwin 9550 .1 .0 * 29.2 25.8 113 Little Warm 9370 .1 .0 * 26.7 25.5 105 Owl Creek 8975 .1 .0 * 14.2 16.9 84 South Pass 9040 .0 .0 * 22.3 29.2 76 St. Lawrence Alt 8620 .1 .0 * 16.5 20.0 82 Togwotee Pass 9580 .2 .0 * 45.3 38.2 119 Townsend Creek 8700 .0 .0 * 19.2 24.2 79 ----- ----- Basin Index (%) * 88 BIGHORN BASIN Bald Mtn. 9380 .1 .0 * 35.4 31.6 112 Bear Trap Meadow 8200 .0 .0 * 25.6 20.4 125 Bone Springs Div 9350 .1 .0 * 32.6 30.8 106 Grave Springs 8550 .0 .0 * 22.7 22.7 100 Kirwin 9550 .1 .0 * 29.2 25.8 113 Marquette 8760 .0 -M * 24.9 -M * Middle Powder 7760 .0 .0 * 29.7 24.5 121 Owl Creek 8975 .1 .0 * 14.2 16.9 84 Powder River Pass 9480 .0 .0 * 31.8 26.3 121 Shell Creek 9580 .1 .0 * 33.1 27.8 119 Timber Creek 7950 .1 .0 * 21.7 20.9 104 ----- ----- Basin Index (%) * 111 SHOSHONE RIVER Blackwater 9780 .1 .0 * 45.3 35.7 127 Evening Star 9200 .1 .0 * 58.6 44.3 132 Marquette 8760 .0 -M * 24.9 -M * Sylvan Road 7120 .0 .0 * 34.7 28.1 123 Younts Peak 8350 -M .0 * -M 28.8 * ----- ----- Basin Index (%) * 128 POWDER RIVER Bear Trap Meadow 8200 .0 .0 * 25.6 20.4 125 Cloud Peak Reservoir 9860 .0 .0 * 37.4 29.9 125 Grave Springs 8550 .0 .0 * 22.7 22.7 100 Hansen Sawmill 8360 .2 .0 * 25.7 21.6 119 Middle Powder 7760 .0 .0 * 29.7 24.5 121 Powder River Pass 9480 .0 .0 * 31.8 26.3 121 Soldier Park 8720 .0 -M * 26.3 -M * ----- ----- Basin Index (%) * 119 TONGUE RIVER Big Goose 7990 .2 .0 * 28.2 24.3 116 Bone Springs Div 9350 .1 .0 * 32.6 30.8 106 Burgess Junction 7880 .2 .0 * 27.6 25.1 110 Dome Lake 8880 .0 .0 * 34.1 27.8 123 Little Goose 8870 .1 -M * 34.4 -M * Sucker Creek 8880 .0 .0 * 33.8 29.3 115 Tie Creek 6870 .1 .0 * 28.7 26.3 109 ----- ----- Basin Index (%) * 113 BELLE FOURCHE Cole Canyon 5910 .0 .0 * 27.3 25.1 109 ----- ----- Basin Index (%) * 109 CHEYENNE RIVER BASIN Blind Park 6890 .1 .0 * 30.8 27.4 112 North Rapid Creek 6130 .1 .0 * 31.9 27.0 118 ----- ----- Basin Index (%) * 115 UPPER N. PLATTE Arapaho Ridge 10960 .0 .0 * 44.6 38.0 117 Blackhall Mtn 9820 .0 -M * 52.6 -M * Columbine 9160 .0 .0 * 49.3 37.8 130 Divide Peak 8880 .0 .0 * 37.4 33.4 112 Joe Wright 10120 .0 .0 * 54.7 43.6 125 Laprele Creek 8375 .2 .0 * 22.4 23.9 94 Med Bow 10500 .0 -M * 58.4 -M * North French Creek 10130 .0 .0 * 52.4 42.8 122 Never Summer 10280 .1 .0 * 42.0 -M * Old Battle 10000 .1 .0 * 54.7 51.2 107 Rawah 9020 .0 .0 * 34.9 26.8 130 Sage Creek Basin 7850 .2 .0 * 21.7 22.8 95 Sand Lake 10050 .0 .0 * 50.3 40.5 124 South Brush Creek 8440 .0 .0 * 25.5 27.1 94 Tower 10500 .0 .0 * 70.4 57.9 122 Webber Springs 9250 .0 .0 * 46.1 40.0 115 Willow Creek Pass 9540 .0 .0 * 31.5 25.6 123 Zirkel 9340 .0 .0 * 57.2 43.0 133 ----- ----- Basin Index (%) * 118 SWEETWATER Deer Park 9700 .0 .0 * 30.8 34.6 89 Larsen Creek 9000 .0 .0 * 23.6 -M * South Pass 9040 .0 .0 * 22.3 29.2 76 ----- ----- Basin Index (%) * 83 LOWER N. PLATTE Casper Mtn. 7900 .0 .0 * 25.8 27.6 93 Laprele Creek 8375 .2 .0 * 22.4 23.9 94 Reno Hill 8400 -M .0 * -M 28.4 * Windy Peak 7900 .0 .0 * 24.9 22.6 110 ----- ----- Basin Index (%) * 99 LARAMIE RIVER Brooklyn Lake 10240 .0 .0 * 44.8 35.0 128 Cinnabar Park 9574 .0 .0 * 45.2 37.7 120 Crow Creek 8330 .0 .0 * 26.5 25.6 104 Deadman Hill 10220 .0 .0 * 40.1 30.6 131 Rawah 9020 .0 .0 * 34.9 26.8 130 Roach 9700 .1 .0 * 41.6 32.9 126 ----- ----- Basin Index (%) * 124 S. PLATTE Black Mountain 8920 .0 -M * 28.7 -M * Crow Creek 8330 .0 .0 * 26.5 25.6 104 Deadman Hill 10220 .0 .0 * 40.1 30.6 131 ----- ----- Basin Index (%) * 119 LITTLE SNAKE RIVER Battle Mountain 7440 .0 .0 * 26.9 23.9 113 Divide Peak 8880 .0 .0 * 37.4 33.4 112 Elk River 8700 .0 .0 * 35.4 32.0 111 Little Snake River 8915 .2 .0 * 49.9 43.3 115 Old Battle 10000 .1 .0 * 54.7 51.2 107 Sage Creek Basin 7850 .2 .0 * 21.7 22.8 95 Sandstone RS 8150 .0 .0 * 26.6 29.0 92 Whiskey Park 8950 .1 .0 * 54.9 41.4 133 ----- ----- Basin Index (%) * 111 UPPER GREEN RIVER Big Sandy Opening 9080 .0 .0 * 22.8 23.7 96 Blind Bull Sum 8650 .0 .0 * 35.6 30.4 117 East Rim Divide 7930 .1 .0 * 24.2 19.7 123 Elkhart Park G.S. 9400 .2 .0 * 27.6 24.3 114 Gros Ventre Summit 8750 .0 .0 * 24.9 23.2 107 Gunsight Pass 9820 .0 .0 * 32.7 25.5 128 Kendall R.S. 7740 .0 .0 * 31.1 22.6 138 Loomis Park 8240 .0 .0 * 34.8 27.3 127 New Fork Lake 8340 .1 .0 * 22.1 19.9 111 Pocket Creek 9360 -M -M * 27.7 -M * Snider Basin 8060 .0 .0 * 28.2 21.6 131 Spring Creek Divide 9000 .2 .0 * 44.7 35.4 126 Triple Peak 8500 .0 .0 * 50.5 37.7 134 ----- ----- Basin Index (%) * 122 LOWER GREEN RIVER Blacks Fork Jct 8870 .0 -M * 24.5 -M * Buck Pasture 9700 .0 -M * 25.5 -M * EF Blacks Fork GS 9360 .0 -M * 22.5 -M * Hams Fork 7840 .1 .0 * 24.7 19.5 127 Hewinta 9519 .0 .0 * 27.6 25.7 107 Hickerson Park 9145 .2 .0 * 21.8 21.4 102 Hole-in-Rock 9150 .0 .0 * 22.3 20.9 107 Indian Creek 9425 .0 .0 * 39.1 33.3 117 Kelley R.S. 8180 .4 .0 * 32.1 27.7 116 Spirit Lk 10235 .0 -M * 30.3 -M * Steel Creek Park 10200 .0 .0 * 30.5 29.6 103 ----- ----- Basin Index (%) * 111 UPPER BEAR RIVER Bear River RS 8777 .0 -M * 23.1 -M * Bug Lake 7950 .5 .0 * 33.0 29.3 113 Burts Miller Ranch 8000 .0 -M * 13.6 -M * Chalk Creek #1 8993 .1 .0 * -M 39.8 * Hayden Fork 9212 .0 .0 * 36.6 33.8 108 Kelley R.S. 8180 .4 .0 * 32.1 27.7 116 Lily Lake 9156 .0 .0 * 27.7 29.0 96 Monte Cristo 8960 -M .0 * -M 38.8 * Salt River Summit 7760 .0 .0 * 29.5 26.4 112 ----- ----- Basin Index (%) * 109 ----------------------------------------------------------------------------- -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.