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 SUNDAY: SEPTEMBER 7 , 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 * 37.0 30.6 121 Black Bear 8170 .0 .0 * 58.0 53.2 109 Blind Bull Sum 8650 .0 .0 * 34.3 29.4 117 Cottonwood Creek 7670 .1 .0 * 49.3 37.2 133 East Rim Divide 7930 .0 .0 * 23.6 18.9 125 Grand Targhee 9260 .1 .0 * 54.5 46.2 118 Granite Creek 6770 .0 .0 * 34.7 28.5 122 Grassy Lake 7265 .2 .0 * 57.4 50.3 114 Gros Ventre Summit 8750 .0 .0 * 24.5 22.1 111 Gunsight Pass 9820 .0 .0 * 32.0 24.3 132 Lewis Lake Divide 7850 .0 .0 * 58.7 49.0 120 Phillips Bench 8200 .0 .0 * 47.3 39.7 119 Salt River Summit 7760 .0 .0 * 28.4 25.3 112 Snake River Station 6920 .0 .0 * 40.4 33.6 120 Spring Creek Divide 9000 .2 .0 * 43.4 34.2 127 Thumb Divide 7980 .1 .0 * 31.2 28.6 109 Togwotee Pass 9580 .1 .0 * 44.4 36.9 120 Two Ocean Plateau 9240 -M .0 * 48.4 41.3 117 Willow Creek 8380 .1 .0 * 57.7 49.6 116 Younts Peak 8350 -M .0 * -M 27.4 * ----- ----- Basin Index (%) * 119 MADISON-GALLATIN Black Bear 8170 .0 .0 * 58.0 53.2 109 Canyon 7870 .0 .0 * 27.0 26.5 102 Madison Plateau 7750 .0 .0 * 40.0 39.1 102 West Yellowstone 6700 .0 .0 * 27.9 23.1 121 Whiskey Creek 6800 .0 .0 * 34.2 31.5 109 ----- ----- Basin Index (%) * 108 YELLOWSTONE Beartooth Lake 9360 .0 .0 * 43.7 31.6 138 Burnt Mtn 5880 .1 .0 * 32.4 27.9 116 Canyon 7870 .0 .0 * 27.0 26.5 102 Cole Creek 7850 .0 .0 * 30.8 29.0 106 Evening Star 9200 .0 .0 * 56.3 42.8 132 Fisher Creek 9100 .0 .0 * 57.7 49.5 117 Northeast Entrance 7350 .0 .0 * 26.6 23.6 113 Parker Peak 9400 .0 .0 * 45.1 30.2 149 Sylvan Lake 8420 .0 .0 * 44.4 36.3 122 Thumb Divide 7980 .1 .0 * 31.2 28.6 109 Two Ocean Plateau 9240 -M .0 * 48.4 41.3 117 White Mill 8700 .0 .0 * 44.1 38.7 114 Wolverine 7650 -M .0 * 27.6 22.1 125 ----- ----- Basin Index (%) * 120 WIND RIVER Burroughs Creek 8750 .1 .0 * 3.8 26.6 14 Castle Creek 8400 .0 -M * 21.8 -M * Cold Springs 9630 .0 .0 * 21.7 20.3 107 Deer Park 9700 .0 .0 * 30.2 33.3 91 Hobbs Park 10100 .0 .0 * 25.2 26.0 97 Kirwin 9550 .1 .0 * 28.3 24.4 116 Little Warm 9370 .1 .0 * 25.7 24.1 107 Owl Creek 8975 .1 .0 * 13.4 15.9 84 South Pass 9040 .0 .0 * 21.7 28.1 77 St. Lawrence Alt 8620 .0 .0 * 16.1 19.0 85 Togwotee Pass 9580 .1 .0 * 44.4 36.9 120 Townsend Creek 8700 .0 .0 * 19.0 22.9 83 ----- ----- Basin Index (%) * 90 BIGHORN BASIN Bald Mtn. 9380 .1 .0 * 33.9 30.0 113 Bear Trap Meadow 8200 .0 .0 * 24.9 19.1 130 Bone Springs Div 9350 .1 .0 * 30.9 29.1 106 Grave Springs 8550 .0 .0 * 22.3 21.4 104 Kirwin 9550 .1 .0 * 28.3 24.4 116 Marquette 8760 .0 -M * 24.0 -M * Middle Powder 7760 .0 .0 * 28.9 23.0 126 Owl Creek 8975 .1 .0 * 13.4 15.9 84 Powder River Pass 9480 .0 .0 * 30.6 24.9 123 Shell Creek 9580 .0 .0 * 30.7 26.3 117 Timber Creek 7950 .1 .0 * 21.0 19.6 107 ----- ----- Basin Index (%) * 113 SHOSHONE RIVER Blackwater 9780 .1 .0 * 43.9 34.3 128 Evening Star 9200 .0 .0 * 56.3 42.8 132 Marquette 8760 .0 -M * 24.0 -M * Sylvan Road 7120 .0 .0 * 33.1 27.0 123 Younts Peak 8350 -M .0 * -M 27.4 * ----- ----- Basin Index (%) * 128 POWDER RIVER Bear Trap Meadow 8200 .0 .0 * 24.9 19.1 130 Cloud Peak Reservoir 9860 .0 .0 * 35.3 28.3 125 Grave Springs 8550 .0 .0 * 22.3 21.4 104 Hansen Sawmill 8360 .1 .0 * 24.2 20.4 119 Middle Powder 7760 .0 .0 * 28.9 23.0 126 Powder River Pass 9480 .0 .0 * 30.6 24.9 123 Soldier Park 8720 .0 -M * 24.4 -M * ----- ----- Basin Index (%) * 121 TONGUE RIVER Big Goose 7990 .0 .0 * 26.3 22.9 115 Bone Springs Div 9350 .1 .0 * 30.9 29.1 106 Burgess Junction 7880 .2 .0 * 26.2 23.8 110 Dome Lake 8880 .0 .0 * 32.2 26.3 122 Little Goose 8870 .1 -M * 32.1 -M * Sucker Creek 8880 .1 .0 * 32.6 27.9 117 Tie Creek 6870 .0 .0 * 26.8 25.0 107 ----- ----- Basin Index (%) * 113 BELLE FOURCHE Cole Canyon 5910 .0 .0 * 26.0 24.0 108 ----- ----- Basin Index (%) * 108 CHEYENNE RIVER BASIN Blind Park 6890 .0 .0 * 30.3 26.2 116 North Rapid Creek 6130 .0 .0 * 31.0 25.5 122 ----- ----- Basin Index (%) * 119 UPPER N. PLATTE Arapaho Ridge 10960 .0 .0 * 42.9 36.0 119 Blackhall Mtn 9820 .0 -M * 51.2 -M * Columbine 9160 .0 .0 * 48.2 36.3 133 Divide Peak 8880 .0 .0 * 35.4 31.9 111 Joe Wright 10120 .0 .0 * 52.2 41.8 125 Laprele Creek 8375 .0 .0 * 22.1 22.9 97 Med Bow 10500 -M -M * 57.0 -M * North French Creek 10130 -M .0 * 51.4 41.3 124 Never Summer 10280 .0 .0 * 38.9 -M * Old Battle 10000 .1 .0 * 52.8 49.3 107 Rawah 9020 .0 .0 * 33.5 25.4 132 Sage Creek Basin 7850 .1 .0 * 20.3 21.5 94 Sand Lake 10050 .0 .0 * 49.1 39.1 126 South Brush Creek 8440 .1 .0 * 24.4 25.8 95 Tower 10500 .0 .0 * 68.6 55.7 123 Webber Springs 9250 .0 .0 * 44.6 38.3 116 Willow Creek Pass 9540 .0 .0 * 29.7 24.5 121 Zirkel 9340 .0 .0 * 56.3 40.7 138 ----- ----- Basin Index (%) * 119 SWEETWATER Deer Park 9700 .0 .0 * 30.2 33.3 91 Larsen Creek 9000 .0 .0 * 22.9 -M * South Pass 9040 .0 .0 * 21.7 28.1 77 ----- ----- Basin Index (%) * 85 LOWER N. PLATTE Casper Mtn. 7900 .0 .0 * 25.3 26.4 96 Laprele Creek 8375 .0 .0 * 22.1 22.9 97 Reno Hill 8400 .0 .0 * 32.8 27.2 121 Windy Peak 7900 .0 .0 * 24.7 21.7 114 ----- ----- Basin Index (%) * 107 LARAMIE RIVER Brooklyn Lake 10240 .1 .0 * 43.9 33.8 130 Cinnabar Park 9574 .0 .0 * 43.5 36.1 120 Crow Creek 8330 .0 .0 * 25.8 24.4 106 Deadman Hill 10220 .0 .0 * 39.3 29.4 134 Rawah 9020 .0 .0 * 33.5 25.4 132 Roach 9700 .1 .0 * 40.3 31.3 129 ----- ----- Basin Index (%) * 125 S. PLATTE Black Mountain 8920 .1 -M * 27.1 -M * Crow Creek 8330 .0 .0 * 25.8 24.4 106 Deadman Hill 10220 .0 .0 * 39.3 29.4 134 ----- ----- Basin Index (%) * 121 LITTLE SNAKE RIVER Battle Mountain 7440 .0 .0 * 25.5 22.7 112 Divide Peak 8880 .0 .0 * 35.4 31.9 111 Elk River 8700 .0 .0 * 34.4 30.6 112 Little Snake River 8915 -M .0 * 48.3 41.1 118 Old Battle 10000 .1 .0 * 52.8 49.3 107 Sage Creek Basin 7850 .1 .0 * 20.3 21.5 94 Sandstone RS 8150 .2 .0 * 24.5 27.6 89 Whiskey Park 8950 .0 .0 * 53.0 39.8 133 ----- ----- Basin Index (%) * 111 UPPER GREEN RIVER Big Sandy Opening 9080 .0 .0 * 22.4 22.6 99 Blind Bull Sum 8650 .0 .0 * 34.3 29.4 117 East Rim Divide 7930 .0 .0 * 23.6 18.9 125 Elkhart Park G.S. 9400 .1 .0 * 26.4 23.0 115 Gros Ventre Summit 8750 .0 .0 * 24.5 22.1 111 Gunsight Pass 9820 .0 .0 * 32.0 24.3 132 Kendall R.S. 7740 .0 .0 * 30.5 21.8 140 Loomis Park 8240 .0 .0 * 34.5 26.3 131 New Fork Lake 8340 .0 .0 * 21.7 19.1 114 Pocket Creek 9360 -M -M * 27.1 -M * Snider Basin 8060 .0 .0 * 27.3 20.8 131 Spring Creek Divide 9000 .2 .0 * 43.4 34.2 127 Triple Peak 8500 .0 .0 * 49.2 36.7 134 ----- ----- Basin Index (%) * 124 LOWER GREEN RIVER Blacks Fork Jct 8870 .0 -M * 23.1 -M * Buck Pasture 9700 .0 -M * 25.5 -M * EF Blacks Fork GS 9360 .0 -M * 21.1 -M * Hams Fork 7840 .1 .0 * 23.8 18.8 127 Hewinta 9519 .1 .0 * 26.7 24.5 109 Hickerson Park 9145 .3 .0 * -M 20.4 * Hole-in-Rock 9150 .0 .0 * 21.2 19.8 107 Indian Creek 9425 .0 .0 * 37.8 32.4 117 Kelley R.S. 8180 .2 .0 * 31.0 26.8 116 Spirit Lk 10235 .0 -M * 28.8 -M * Steel Creek Park 10200 .0 .0 * 29.2 28.2 104 ----- ----- Basin Index (%) * 113 UPPER BEAR RIVER Bear River RS 8777 .0 -M * 21.4 -M * Bug Lake 7950 .2 .0 * 32.4 28.3 114 Burts Miller Ranch 8000 .0 -M * 12.7 -M * Chalk Creek #1 8993 .1 .0 * 32.0 38.1 84 Hayden Fork 9212 .0 .0 * 34.7 32.4 107 Kelley R.S. 8180 .2 .0 * 31.0 26.8 116 Lily Lake 9156 .0 .0 * 26.1 27.8 94 Monte Cristo 8960 .2 .0 * 40.4 37.5 108 Salt River Summit 7760 .0 .0 * 28.4 25.3 112 ----- ----- Basin Index (%) * 104 ----------------------------------------------------------------------------- -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.