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 SATURDAY: JUNE 12 , 1999 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .0 .0 100* 34.3 28.7 120 COTTONWOOD CREEK 7600 .0 .0 100* 40.2 31.9 127 GRANITE CREEK 6770 1.5 .5 375* 31.7 30.7 103 GRASSY LAKE 7265 12.9 2.7 493* 54.9 47.3 117 GROS VENTRE SUMMIT 8775 .0 .0 100* 22.7 20.7 110 LEWIS LAKE DIVIDE 7860 18.9 4.3 440 50.4 48.2 105 PHILLIPS BENCH 8200 15.0 3.8 395 41.3 37.9 109 SALT RIVER SUMMIT 7600 .3 .0 * 25.4 22.0 116 SNAKE RIVER STATION 6920 .0 .0 100* 34.3 33.3 104 SPRING CREEK DIVIDE 9000 18.7 4.1 457 38.8 34.5 113 THUMB DIVIDE 7980 .0 .0 100* 30.7 26.7 115 TOGWOTEE PASS 9580 -M 15.6 * 38.7 36.2 107 TWO OCEAN PLATEAU 9360 33.0 17.2 192 41.2 39.3 105 WILLOW CREEK 8450 8.9 4.3 210 53.7 40.9 132 ----- ----- Basin wide percent of average 297* 113 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 19.9 11.7 170 30.4 26.0 117 BLACK BEAR 7950 44.5 16.9 264 65.0 52.0 125 CANYON 7940 .0 .5 0* 25.2 19.9 127 FISHER CREEK 9100 34.7 23.7 146 47.4 48.5 98 MADISON PLATEAU 7750 -M 2.0 * 42.3 34.4 123 NORTHEAST ENTRANCE 7350 .0 .2 0* 20.2 17.5 115 PARKER PEAK 9400 14.5 12.9 114 -M 22.7 * SYLVAN LAKE 8420 16.9 7.8 217 -M 27.5 * THUMB DIVIDE 7980 .0 .0 100* 30.7 26.7 115 TWO OCEAN PLATEAU 9360 33.0 17.2 192 41.2 39.3 105 WHISKEY CREEK 6800 .0 .3 0* 34.3 28.9 120 WHITE MILL 8700 21.5 12.9 168 33.0 37.8 88 WOLVERINE 7650 .0 .0 100* 16.9 19.0 89 ----- ----- Basin wide percent of average 179 111 WIND RIVER BURROUGHS CREEK 8750 2.8 .5 560* 26.5 23.2 115 COLD SPRINGS 9630 .3 .2 200* 26.7 16.9 158 DEER PARK 9700 15.0 -M * 36.3 -M * HOBBS PARK 10100 17.2 4.8 359 31.5 21.9 145 LITTLE WARM 9620 1.2 .3 600* 27.5 20.0 138 SOUTH PASS 9040 -M 5.3 * 32.9 24.9 133 ST. LAWRENCE ALT 8620 .0 .2 0* 23.4 15.5 151 TOGWOTEE PASS 9580 -M 15.6 * 38.7 36.2 107 TOWNSEND CREEK 8700 .0 .5 0* 27.7 19.5 143 ----- ----- Basin wide percent of average 351* 132 BIGHORN BASIN BALD MTN. 9375 16.2 11.5 142 28.5 26.2 109 BEAR TRAP MEADOW 7900 .0 .0 100* 20.4 15.0 137 BLACKWATER 9780 30.0 10.4 292 34.2 25.5 134 BONE SPRINGS DIV 9350 8.2 3.8 216 28.9 23.4 124 EVENING STAR 9200 26.2 17.4 152 44.5 31.5 142 GRAVE SPRINGS 8550 .0 .5 0* 21.2 17.4 122 KIRWIN 9550 7.3 1.9 385 24.4 17.2 143 MARQUETTE 8760 6.8 1.7 425 24.5 18.4 134 MIDDLE POWDER 7760 .2 .6 17* 22.9 19.4 119 OWL CREEK 8975 .0 .2 0* 19.0 11.5 167 POWDER RIVER PASS 9480 .2 .3 34* 25.2 19.4 131 SHELL CREEK 9580 6.8 5.6 120 24.7 21.2 118 SYLVAN LAKE 8420 16.9 7.8 217 -M 27.5 * SYLVAN ROAD 8120 -M .3 * -M 23.0 * TIMBER CREEK 7950 .0 .2 0* 20.2 14.6 139 YOUNTS PEAK 8350 5.5 3.7 151 25.7 23.4 110 ----- ----- Basin wide percent of average 191 129 SHOSHONE RIVER BLACKWATER 9780 30.0 10.4 292 34.2 25.5 134 EVENING STAR 9200 26.2 17.4 152 44.5 31.5 142 KIRWIN 9550 7.3 1.9 385 24.4 17.2 143 MARQUETTE 8760 6.8 1.7 425 24.5 18.4 134 SYLVAN LAKE 8420 16.9 7.8 217 -M 27.5 * SYLVAN ROAD 8120 -M .3 * -M 23.0 * YOUNTS PEAK 8350 5.5 3.7 151 25.7 23.4 110 ----- ----- Basin wide percent of average 218 133 POWDER-TONGUE BEAR TRAP MEADOW 7900 .0 .0 100* 20.4 15.0 137 BIG GOOSE 7990 .0 -M * 21.5 -M * BONE SPRINGS DIV 9350 8.2 3.8 216 28.9 23.4 124 BURGESS JUNCTION 7880 .0 .5 0* 20.9 18.7 113 CLOUD PEAK RESERVOIR 9860 6.0 4.3 138 28.7 22.5 128 DOME LAKE 8880 -M 1.5 * 20.4 21.2 96 GRAVE SPRINGS 8550 .0 .5 0* 21.2 17.4 122 HANSEN SAWMILL 8760 .0 .3 0* 19.7 14.2 139 MIDDLE POWDER 7760 .2 .6 17* 22.9 19.4 119 POWDER RIVER PASS 9480 .2 .3 34* 25.2 19.4 131 SUCKER CREEK 8880 .2 1.0 11* 25.9 21.7 119 TIE CREEK 6870 .0 -M * 21.7 17.9 122 ----- ----- Basin wide percent of average 129* 122 BELLE FOURCHE BLIND PARK 6890 .2 .0 * 25.7 19.7 131 NORTH RAPID CREEK 6130 .0 -M * 23.4 -M * WARREN PEAK 6520 .2 .2 100* -M 14.6 * ----- ----- Basin wide percent of average 100* 131* UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .6 0* 31.4 31.5 100 DIVIDE PEAK 8800 .0 .0 0* 34.7 31.4 111 ELK RIVER 8700 .0 .2 0* 31.7 25.2 126 JOE WRIGHT 10120 9.5 9.5 102 37.3 35.8 104 NORTH FRENCH CREEK 10100 27.4 14.5 191 42.8 33.2 130 OLD BATTLE 10000 24.5 12.5 198 51.8 40.5 128 SOUTH BRUSH CREEK 8400 6.8 .3 2234* 29.5 24.4 122 TOWER 10500 36.8 31.2 119 53.2 50.3 106 WEBBER SPRINGS 9200 .0 3.8 0 37.9 34.5 110 WILLOW CREEK PASS 9540 .0 .5 0* 19.5 19.2 103 ----- ----- Basin wide percent of average 143 114 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 10.5 6.0 178 35.8 27.9 129 CASPER MTN. 7900 .3 1.5 14* 27.0 23.9 113 DEADMAN HILL 10220 1.5 5.3 29 26.5 25.4 105 DEER PARK 9700 15.0 -M * 36.3 -M * LAPRELE CREEK 8320 .0 .3 0* 26.7 19.0 141 RENO HILL 8400 .0 1.2 0* 29.5 25.4 117 ROACH 9700 .5 2.5 17 29.0 31.0 94 SAND LAKE 10080 38.4 16.0 242 44.2 29.4 151 SOUTH PASS 9040 -M 5.3 * 32.9 24.9 133 WINDY PEAK 7840 .0 .0 100* 22.7 16.7 137 ----- ----- Basin wide percent of average 157* 123 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .2 .0 * 24.9 21.4 117 DIVIDE PEAK 8800 .0 .0 0* 34.7 31.4 111 OLD BATTLE 10000 24.5 12.5 198 51.8 40.5 128 SANDSTONE RS 8150 .0 .0 100* 28.7 26.5 108 WHISKEY PARK 8950 9.1 2.8 326* 41.3 38.8 107 ----- ----- Basin wide percent of average 209* 115 UPPER GREEN RIVER BIG SANDY OPENING 9100 .0 .0 100* 22.4 21.2 106 BLIND BULL SUM 8650 20.0 10.6 189 31.4 30.2 104 EAST RIM DIVIDE 7930 .0 1.5 0* 20.7 19.9 105 ELKHART PARK G.S. 9400 .0 1.0 0* 23.7 20.9 114 GROS VENTRE SUMMIT 8775 .0 .0 100* 22.7 20.7 110 KENDALL R.S. 7740 .0 .0 100* 22.2 20.4 109 LOOMIS PARK 8240 -M .0 * 27.5 24.5 113 NEW FORK LAKE 8340 .0 .0 100* 19.9 18.9 106 SNIDER BASIN 8250 .0 .0 100* 24.9 19.9 126 SPRING CREEK DIVIDE 9000 18.7 4.1 457 38.8 34.5 113 TRIPLE PEAK 8500 4.5 3.3 141 41.5 39.8 105 ----- ----- Basin wide percent of average 212* 110 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 20.4 17.4 118 HEWINTA 9500 .0 .0 100* 22.0 19.9 112 HICKERSON PARK 9150 .2 .0 * 16.9 16.0 106 HOLE-IN-ROCK 9150 .0 .2 0* 17.5 16.0 110 INDIAN CREEK 9425 21.9 3.8 574 37.3 33.0 113 KELLEY R.S. 8180 .0 .0 100* 27.2 24.5 111 STEEL CREEK PARK 10100 13.5 5.5 244 26.4 21.2 125 ----- ----- Basin wide percent of average 375* 114 UPPER BEAR RIVER BUG LAKE 7950 .2 .5 21* 31.9 25.5 126 HAYDEN FORK 9400 .0 .0 100* 31.0 27.0 115 KELLEY R.S. 8180 .0 .0 100* 27.2 24.5 111 LILY LAKE 9050 .0 .3 0* 27.7 21.9 127 MONTE CRISTO 8960 12.5 5.1 244 41.3 34.5 120 SALT RIVER SUMMIT 7600 .3 .0 * 25.4 22.0 116 TRIAL LAKE 9960 10.1 5.8 175 34.2 32.5 105 ----- ----- Basin wide percent of average 194* 117 ----------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. If the Basin wide percent of average 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 Average represents the snow water equivalent found at selected SNOTEL sites in or near the basin compared to the average 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. Reference period for average conditions is 1961-90. Provisional data, subject to revision. ---------------------------------------------------------------------------- -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.