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 MONDAY: MAY 12 , 2008

BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg
COLORADO GUNNISON RIVER BASIN BUTTE 10160 16.2 9.1 178 25.6 20.2 127 COCHETOPA PASS 10020 .2 -M * 9.7 -M * COLUMBINE PASS 9400 .4 5.5 7 29.7 26.4 112 IDARADO 9800 11.6 5.7 204 28.2 22.4 126 MC CLURE PASS 9500 15.3 8.8 174 29.1 25.6 114 MESA LAKES 10000 16.5 14.0 118 30.6 26.7 115 OVERLAND RES. 9840 13.8 6.5 212 23.7 20.0 118 PARK CONE 9600 10.7 2.5 428 19.7 15.7 125 PARK RESERVOIR 9960 34.0 29.5 115 38.8 32.0 121 PORPHYRY CREEK 10760 14.6 11.8 124 21.6 19.2 113 RED MOUNTAIN PASS 11200 30.0 25.5 118 38.5 30.6 126 SCHOFIELD PASS 10700 54.8 34.0 161 52.0 39.1 133 SLUMGULLION 11440 15.3 12.0 128 19.4 16.4 118 ----- ----- Basin wide percent of average 141 121 UPPER COLORADO RIVER BASIN ARAPAHO RIDGE 10960 25.3 25.2 100 30.9 32.2 96 ARROW 9680 17.9 11.6 154 21.9 19.0 115 BEAVER CK VILLAGE 8500 8.8 .7 1257 21.7 18.6 117 BERTHOUD SUMMIT 11300 23.2 20.2 115 34.5 28.9 119 BISON LAKE 10880 33.8 29.6 114 36.7 35.6 103 BUFFALO PARK 9240 12.5 7.5 167 23.6 22.3 106 CHAPMAN TUNNEL 10110 19.1 -M * 29.8 -M * COPPER MOUNTAIN 10550 18.8 12.0 157 24.2 20.4 119 FREMONT PASS 11400 25.1 19.7 127 23.7 19.5 122 GRIZZLY PEAK 11100 -M 14.7 * -M 23.0 * HOOSIER PASS 11400 17.9 14.1 127 22.2 20.2 110 INDEPENDENCE PASS 10600 22.0 12.2 180 29.1 23.2 125 IVANHOE 10400 23.4 12.8 183 34.9 24.8 141 JONES PASS 10400 21.9 11.9 184 28.8 21.1 136 KILN 9600 13.5 4.9 276 25.4 18.4 138 LAKE IRENE 10700 24.6 25.4 97 27.7 26.2 106 LYNX PASS 8880 9.4 4.3 219 20.3 16.6 122 MC CLURE PASS 9500 15.3 8.8 174 29.1 25.6 114 MCCOY PARK 9480 13.4 16.7 80 24.4 21.7 112 MESA LAKES 10000 16.5 14.0 118 30.6 26.7 115 MIDDLE FORK CAMP 8940 12.1 3.2 378 23.1 14.4 160 NAST LAKE 8700 1.0 1.4 71 21.2 15.7 135 NORTH LOST TRAIL 9200 -M 7.5 * -M 26.6 * PHANTOM VALLEY 9030 5.8 3.9 149 18.0 17.6 102 SCHOFIELD PASS 10700 54.8 34.0 161 52.0 39.1 133 STILLWATER CREEK 8720 .1 .3 33 15.8 13.2 120 SUMMIT RANCH 9400 8.8 4.7 187 21.8 17.0 128 VAIL MOUNTAIN 10300 29.0 24.4 119 33.4 27.4 122 WILLOW CREEK PASS 9540 21.5 12.3 175 21.0 16.8 125 ----- ----- Basin wide percent of average 142 120 SOUTH PLATTE RIVER BASIN BEAR LAKE 9500 19.0 17.7 107 20.8 25.2 83 BUCKSKIN JOE 11150 13.3 10.7 124 17.7 21.0 84 COPELAND LAKE 8600 .2 .1 200 15.6 18.5 84 DEADMAN HILL 10220 21.3 18.7 114 25.0 22.5 111 ECHO LAKE 10600 6.7 7.9 85 14.6 16.3 90 HOOSIER PASS 11400 17.9 14.1 127 22.2 20.2 110 JACKWHACKER GULCH 10960 12.3 8.5 145 20.4 21.0 97 JOE WRIGHT 10120 29.2 24.4 120 36.0 32.0 112 LAKE ELDORA 9700 2.7 4.6 59 21.4 19.9 108 LOVELAND BASIN 11400 23.9 22.3 107 25.9 22.4 116 MICHIGAN CREEK 10600 12.7 8.3 153 19.8 17.8 111 NIWOT 11300 10.1 9.1 111 12.5 22.0 57 ROUGH AND TUMBLE 10360 8.9 5.6 159 12.6 13.1 96 UNIVERSITY CAMP 10300 17.6 18.9 93 26.8 26.8 100 WILLOW PARK 10700 17.6 17.6 100 30.5 27.5 111 ----- ----- Basin wide percent of average 113 99 LARAMIE AND NORTH PLATTE RIVER BASINS ARAPAHO RIDGE 10960 25.3 25.2 100 30.9 32.2 96 COLUMBINE 9160 22.5 15.1 149 34.4 30.4 113 DEADMAN HILL 10220 21.3 18.7 114 25.0 22.5 111 JOE WRIGHT 10120 29.2 24.4 120 36.0 32.0 112 LAKE IRENE 10700 24.6 25.4 97 27.7 26.2 106 NEVER SUMMER 10280 27.2 23.2 117 24.8 30.4 82 RABBIT EARS 9400 33.3 26.8 124 44.6 38.3 116 RAWAH 9020 9.4 13.0 72 21.8 21.1 103 ROACH 9700 20.0 14.8 135 27.6 24.0 115 TOWER 10500 51.0 52.1 98 49.9 47.3 105 WHISKEY PARK 8950 36.1 27.9 129 42.8 35.6 120 WILLOW CREEK PASS 9540 21.5 12.3 175 21.0 16.8 125 ZIRKEL 9340 26.6 15.6 171 38.3 31.3 122 ----- ----- Basin wide percent of average 118 109 YAMPA AND WHITE RIVER BASINS BATTLE MOUNTAIN 7440 .1 1.5 7 20.1 19.6 103 BEAR RIVER 9080 11.7 -M * 19.3 -M * BISON LAKE 10880 33.8 29.6 114 36.7 35.6 103 BUFFALO PARK 9240 12.5 7.5 167 23.6 22.3 106 BURRO MOUNTAIN 9400 14.6 13.1 111 29.6 26.3 113 COLUMBINE 9160 22.5 15.1 149 34.4 30.4 113 CROSHO 9100 9.4 4.3 219 25.2 20.8 121 DIVIDE PEAK 8880 20.5 14.5 141 28.2 25.6 110 DRY LAKE 8400 18.4 11.6 159 34.5 30.2 114 ELK RIVER 8700 17.3 9.2 188 28.2 24.2 117 LITTLE SNAKE RIVER 8915 26.3 -M * 40.1 -M * LOST DOG 9320 27.6 29.6 93 32.2 32.1 100 LYNX PASS 8880 9.4 4.3 219 20.3 16.6 122 RABBIT EARS 9400 33.3 26.8 124 44.6 38.3 116 RIPPLE CREEK 10340 -M 25.8 * 35.5 36.8 96 SANDSTONE RS 8150 10.1 4.9 206 25.4 23.1 110 TOWER 10500 51.0 52.1 98 49.9 47.3 105 TRAPPER LAKE 9700 18.0 19.6 92 28.4 26.7 106 WHISKEY PARK 8950 36.1 27.9 129 42.8 35.6 120 ----- ----- Basin wide percent of average 123 110 ARKANSAS RIVER BASIN APISHAPA 10000 .2 1.4 14 16.7 16.2 103 BRUMLEY 10600 13.7 6.6 208 21.5 17.1 126 FREMONT PASS 11400 25.1 19.7 127 23.7 19.5 122 GLEN COVE 11460 4.0 -M * 14.6 -M * HAYDEN PASS 10720 16.0 -M * 18.0 -M * PORPHYRY CREEK 10760 14.6 11.8 124 21.6 19.2 113 SAINT ELMO 10540 4.1 -M * 17.4 -M * SOUTH COLONY 10800 -M 15.1 * -M 26.7 * WHISKEY CK 10220 .1 3.0 3 18.8 20.3 93 ----- ----- Basin wide percent of average 126 111 UPPER RIO GRANDE BASIN BEARTOWN 11600 22.7 23.1 98 32.3 28.3 114 COCHETOPA PASS 10020 .2 -M * 9.7 -M * CULEBRA #2 10500 .0 4.4 0 13.9 17.2 81 CUMBRES TRESTLE 10040 16.3 16.5 99 41.1 29.8 138 GRAYBACK 11620 10.1 -M * 23.4 -M * HAYDEN PASS 10720 16.0 -M * 18.0 -M * LILY POND 11000 11.9 11.3 105 29.0 24.5 118 MEDANO PASS 9649 .5 .1 500 19.9 11.0 181 MIDDLE CREEK 11250 15.8 18.1 87 30.0 28.7 105 TRINCHERA 10860 .0 3.0 0 15.6 14.4 108 UPPER RIO GRANDE 9400 .0 .9 0 13.5 14.1 96 UTE CREEK 10650 9.5 4.8 198 25.1 20.0 126 WOLF CREEK SUMMIT 11000 43.4 36.2 120 48.1 39.8 121 ----- ----- Basin wide percent of average 101 118 SAN MIGUEL, DOLORES, ANIMAS AND SAN JUAN RIVER BASINS CASCADE 8880 .0 1.6 0 26.3 24.0 110 COLUMBUS BASIN 10785 24.0 22.9 105 35.0 38.4 91 EL DIENTE PEAK 10000 10.4 7.0 149 27.6 24.9 111 LIZARD HEAD PASS 10200 12.8 13.0 98 20.4 21.3 96 LONE CONE 9600 .2 4.0 5 26.7 25.1 106 MANCOS 10000 .0 7.8 0 22.4 22.9 98 MINERAL CREEK 10040 11.9 9.3 128 26.1 21.8 120 MOLAS LAKE 10500 20.5 16.3 126 28.8 24.8 116 RED MOUNTAIN PASS 11200 30.0 25.5 118 38.5 30.6 126 SCOTCH CREEK 9100 .0 1.5 0 22.0 22.6 97 SHARKSTOOTH 10720 19.2 -M * 30.2 -M * SPUD MOUNTAIN 10660 -M 22.6 * -M 38.1 * STUMP LAKES 11200 18.5 20.2 92 24.5 26.7 92 UPPER SAN JUAN 10200 32.6 25.0 130 47.2 38.4 123 VALLECITO 10880 14.7 12.3 120 25.3 24.5 103 WOLF CREEK SUMMIT 11000 43.4 36.2 120 48.1 39.8 121 ----- ----- Basin wide percent of average 108 109
-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.


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