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Water Resources Data System
Dept 3943
1000 E. University Ave.
Laramie, WY 82071

wrds@uwyo.edu
Ph (307) 766-6651
Fax (307) 766-3785


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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: DECEMBER 13 , 2010
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030     7.7     5.7   135     10.4     7.9   132
 COTTONWOOD CREEK         7670    11.2     6.6   170     15.3    10.1   151
 GRAND TARGHEE            9260    19.5      -M      *    14.6      -M      *
 GRANITE CREEK            6770     7.1     5.0   142      9.6     7.0   137
 GRASSY LAKE              7265    11.8    10.4   113     15.2    12.5   122
 GROS VENTRE SUMMIT       8750     6.5     5.1   127      6.7     5.1   131
 GUNSIGHT PASS            9820     7.0      -M      *     7.3      -M      *
 LEWIS LAKE DIVIDE        7850    13.3    10.4   128     15.6    12.9   121
 PHILLIPS BENCH           8200    12.2     8.9   137     13.8     9.8   141
 SALT RIVER SUMMIT        7760     5.7     3.7   154      9.3     6.5   143
 SNAKE RIVER STATION      6920     6.2     5.6   111     11.2     8.3   135
 SPRING CREEK DIVIDE      9000    12.1     9.2   132     13.1     9.5   138
 THUMB DIVIDE             7980     8.1     5.4   150      9.0     6.8   132
 TOGWOTEE PASS            9580    12.1     8.8   138     13.1     9.2   142
 TWO OCEAN PLATEAU        9240    15.4    10.4   148     12.2    10.4   117
 WILLOW CREEK             8380    11.6    10.3   113     16.7    11.8   142
                                                -----                  -----
                Basin wide percent of average    134                    134


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360     9.9     8.7   114      9.9     7.6   130
 BLACK BEAR               8170    15.9    12.8   124     17.4    13.2   132
 CANYON                   7870     6.1     4.4   139      7.6     6.0   127
 FISHER CREEK             9100    13.6    12.3   111     14.3    12.7   113
 MADISON PLATEAU          7750     9.9     8.3   119     12.0     9.5   126
 NORTHEAST ENTRANCE       7350     4.0     3.5   114      6.3     5.0   126
 PARKER PEAK              9400    11.0     8.3   133     11.6     6.7   173
 SYLVAN LAKE              8420     8.5     8.1   105     11.2     8.8   127
 THUMB DIVIDE             7980     8.1     5.4   150      9.0     6.8   132
 TWO OCEAN PLATEAU        9240    15.4    10.4   148     12.2    10.4   117
 WHISKEY CREEK            6800     6.4     5.3   121      9.1     7.5   121
 WHITE MILL               8700     9.8     8.6   114     11.2     9.9   113
 WOLVERINE                7650     5.7     4.1   139      6.2     5.6   111
                                                -----                  -----
                Basin wide percent of average    124                    126


WIND RIVER

 BURROUGHS CREEK          8750     5.7     5.1   112      6.2     6.1   102
 CASTLE CREEK             8400     2.6      -M      *     3.4      -M      *
 COLD SPRINGS             9630     3.6     3.8    95      3.7     4.8    77
 DEER PARK                9700     8.7     5.2   167      9.7     8.6   113
 HOBBS PARK              10100     6.6     6.4   103      6.2     5.3   117
 LITTLE WARM              9370     4.8     4.3   112      4.9     5.5    89
 SOUTH PASS               9040     7.0     6.6   106      6.6     7.4    89
 ST. LAWRENCE ALT         8620     2.4     3.2    75      3.1     4.0    78
 TOGWOTEE PASS            9580    12.1     8.8   138     13.1     9.2   142
 TOWNSEND CREEK           8700     3.8     3.6   106      5.6     5.2   108
                                                -----                  -----
                Basin wide percent of average    116                    105


BIGHORN BASIN

 BALD MTN.                9380     8.5     7.3   116      7.4     6.5   114
 BEAR TRAP MEADOW         8200     2.1     2.0   105      3.3     3.9    85
 BLACKWATER               9780    11.0     9.7   113     10.6     8.8   120
 BONE SPRINGS DIV         9350     5.9     6.2    95      5.0     5.8    86
 EVENING STAR             9200    12.1    10.8   112     13.7    10.1   136
 GRAVE SPRINGS            8550     2.9     3.0    97      3.4     4.1    83
 KIRWIN                   9550     5.6     5.0   112      6.2     4.8   129
 MARQUETTE                8760     1.4     4.2    33      3.1     4.6    67
 MIDDLE POWDER            7760     4.4     4.2   105      3.0     5.7    53
 OWL CREEK                8975     1.8     2.2    82      2.3     2.5    92
 POWDER RIVER PASS        9480     4.8     4.0   120      5.8     4.9   118
 SHELL CREEK              9580     5.9     5.8   102      5.0     5.4    93
 SYLVAN LAKE              8420     8.5     8.1   105     11.2     8.8   127
 SYLVAN ROAD              7120     5.2     4.7   111      8.0     8.2    98
 TIMBER CREEK             7950     1.9     2.6    73      2.3     3.3    70
 YOUNTS PEAK              8350     7.4     6.0   123      6.8     6.3   108
                                                -----                  -----
                Basin wide percent of average    104                    104


SHOSHONE RIVER

 BLACKWATER               9780    11.0     9.7   113     10.6     8.8   120
 EVENING STAR             9200    12.1    10.8   112     13.7    10.1   136
 KIRWIN                   9550     5.6     5.0   112      6.2     4.8   129
 MARQUETTE                8760     1.4     4.2    33      3.1     4.6    67
 SYLVAN LAKE              8420     8.5     8.1   105     11.2     8.8   127
 SYLVAN ROAD              7120     5.2     4.7   111      8.0     8.2    98
 YOUNTS PEAK              8350     7.4     6.0   123      6.8     6.3   108
                                                -----                  -----
                Basin wide percent of average    106                    116


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     2.1     2.0   105      3.3     3.9    85
 BIG GOOSE                7990     2.2     3.1    71      3.8     3.7   103
 BONE SPRINGS DIV         9350     5.9     6.2    95      5.0     5.8    86
 BURGESS JUNCTION         7880     3.0     4.1    73      4.5     5.0    90
 CLOUD PEAK RESERVOIR     9860     5.6     4.4   127      6.3     5.5   115
 DOME LAKE                8880     2.7     4.8    56      4.7     5.7    82
 GRAVE SPRINGS            8550     2.9     3.0    97      3.4     4.1    83
 HANSEN SAWMILL           8360     2.0     2.5    80      2.5     3.7    68
 LITTLE GOOSE             8870     2.7      -M      *     6.4      -M      *
 MIDDLE POWDER            7760     4.4     4.2   105      3.0     5.7    53
 POWDER RIVER PASS        9480     4.8     4.0   120      5.8     4.9   118
 SOLDIER PARK             8720     1.7      -M      *     3.3      -M      *
 SUCKER CREEK             8880     4.3     3.9   110      4.5     5.4    83
 TIE CREEK                6870     2.0     1.4   143      3.6     4.3    84
                                                -----                  -----
                Basin wide percent of average     96                     87


BELLE FOURCHE

 BLIND PARK               6890     2.1     2.3    91      7.3     5.1   143
 COLE CANYON              5910     2.6     2.6   100      4.5     3.3   136
 NORTH RAPID CREEK        6130     2.5     2.3   109      6.4     4.4   145
                                                -----                  -----
                Basin wide percent of average    100                    142


UPPER N. PLATTE RIVER

 COLUMBINE                9160    11.1     6.8   163     14.2     8.4   169
 DIVIDE PEAK              8880     7.1     6.6   108     10.7     7.7   139
 ELK RIVER                8700     6.1     4.5   136      9.6     6.6   145
 JOE WRIGHT              10120    11.0     7.5   147     15.8     9.4   168
 NORTH FRENCH CREEK      10130    15.5    10.0   155     15.9     9.2   173
 OLD BATTLE              10000    14.2    11.4   125     16.2    11.9   136
 SAGE CREEK BASIN         7850     4.2     3.8   111      7.3     4.5   162
 SOUTH BRUSH CREEK        8440     6.6     3.8   174      9.8     6.2   158
 TOWER                   10500    19.5    15.8   123     21.6    13.5   160
 WEBBER SPRINGS           9250     9.2     8.6   107     13.5     9.8   138
 WILLOW CREEK PASS        9540     6.8     4.4   155      7.8     5.2   150
                                                -----                  -----
                Basin wide percent of average    134                    154


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    10.0     7.8   128     11.5     7.7   149
 CASPER MTN.              7900     3.5     5.6    63      6.2     6.1   102
 DEADMAN HILL            10220     6.5     6.0   108     10.6     6.3   168
 DEER PARK                9700     8.7     5.2   167      9.7     8.6   113
 LAPRELE CREEK            8375     3.4     4.0    85      4.8     5.0    96
 RENO HILL                8400     4.7     5.2    90      6.6     5.9   112
 ROACH                    9700     7.1     5.4   131      9.7     6.5   149
 SAND LAKE               10050    14.0    11.5   122     13.7     8.9   154
 SOUTH PASS               9040     7.0     6.6   106      6.6     7.4    89
 WINDY PEAK               7900     2.7     2.9    93      5.1     4.5   113
                                                -----                  -----
                Basin wide percent of average    112                    126


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440     3.3     2.5   132      5.8     5.4   107
 DIVIDE PEAK              8880     7.1     6.6   108     10.7     7.7   139
 OLD BATTLE              10000    14.2    11.4   125     16.2    11.9   136
 SANDSTONE RS             8150     3.1     3.4    91      9.3     6.8   137
 WHISKEY PARK             8950     4.7     7.9    59     14.2    10.0   142
                                                -----                  -----
                Basin wide percent of average    102                    134


UPPER GREEN RIVER

 BIG SANDY OPENING        9080     5.6     5.2   108      6.3     5.2   121
 BLIND BULL SUM           8650    10.5     9.5   111      7.6     8.4    90
 EAST RIM DIVIDE          7930     4.3     4.3   100      4.7     4.3   109
 ELKHART PARK G.S.        9400     4.4     4.6    96      4.9     5.3    92
 GROS VENTRE SUMMIT       8750     6.5     5.1   127      6.7     5.1   131
 GUNSIGHT PASS            9820     7.0      -M      *     7.3      -M      *
 KENDALL R.S.             7740     4.1     4.5    91      6.0     5.1   118
 LOOMIS PARK              8240     6.6     5.9   112      7.5     6.2   121
 NEW FORK LAKE            8340     4.2     3.8   111      4.4     4.6    96
 POCKET CREEK             9360     4.6      -M      *     5.8      -M      *
 SNIDER BASIN             8060     7.3     4.9   149      8.2     5.8   141
 SPRING CREEK DIVIDE      9000    12.1     9.2   132     13.1     9.5   138
 TRIPLE PEAK              8500    10.7     8.6   124     12.9     8.3   155
                                                -----                  -----
                Basin wide percent of average    116                    121


LOWER GREEN RIVER

 HAMS FORK                7840     4.7     3.6   131      6.0     4.4   136
 HEWINTA                  9519     2.9     2.8   104      6.8     5.8   117
 HICKERSON PARK           9145     1.4     2.0    70      3.4     3.6    94
 HOLE-IN-ROCK             9150     1.6     1.9    84      3.9     3.3   118
 INDIAN CREEK             9425    12.2     9.0   136     11.8     9.0   131
 KELLEY R.S.              8180     7.6     5.6   136     10.2     7.4   138
 STEEL CREEK PARK        10200     4.9     5.0    98      8.1     6.1   133
                                                -----                  -----
                Basin wide percent of average    118                    127


UPPER BEAR RIVER

 BUG LAKE                 7950     8.7     5.6   155     11.6     7.1   163
 HAYDEN FORK              9212     5.6     4.2   133     12.0     7.7   156
 KELLEY R.S.              8180     7.6     5.6   136     10.2     7.4   138
 LILY LAKE                9156     6.1     3.9   156      9.2     6.9   133
 MONTE CRISTO             8960    11.5     7.2   160     14.0     9.2   152
 SALT RIVER SUMMIT        7760     5.7     3.7   154      9.3     6.5   143
 TRIAL LAKE               9992    11.3     7.4   153     13.4     8.4   160
                                                -----                  -----
                Basin wide percent of average    150                    150

-----------------------------------------------------------------------------


 -M   = Missing data
  *   = Data may not provide a valid measure of conditions.
Units = inches for the Current and Average Snow Water Equivalent and

Total Precipitation values

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 1971-2000.

Provisional data, subject to revision.