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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 FRIDAY: MARCH 4 , 2011
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    16.6    16.3   102     19.7    18.9   104
 COTTONWOOD CREEK         7670    22.1    19.1   116     29.5    23.5   126
 GRAND TARGHEE            9260    39.3      -M      *    26.4      -M      *
 GRANITE CREEK            6770    17.5    16.5   106     19.1    17.8   107
 GRASSY LAKE              7265    30.6    30.2   101     33.0    31.6   104
 GROS VENTRE SUMMIT       8750    12.7    11.8   108     12.3    11.0   112
 GUNSIGHT PASS            9820    14.3      -M      *    14.3      -M      *
 LEWIS LAKE DIVIDE        7850    29.5    30.3    97     28.9    32.2    90
 PHILLIPS BENCH           8200    25.3    24.5   103     26.2    25.1   104
 SALT RIVER SUMMIT        7760    14.5    12.4   117     18.6    16.1   116
 SNAKE RIVER STATION      6920      -M    16.9      *    21.4    19.8   108
 SPRING CREEK DIVIDE      9000    29.0    22.7   128     28.0    22.9   122
 THUMB DIVIDE             7980    17.0    15.8   108     16.8    16.4   102
 TOGWOTEE PASS            9580    23.6    21.1   112     25.1    21.1   119
 TWO OCEAN PLATEAU        9240      -M    23.8      *      -M    23.9      *
 WILLOW CREEK             8380    28.3    26.0   109     33.1    27.6   120
                                                -----                  -----
                Basin wide percent of average    108                    110


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    21.1    20.2   104     20.3    17.4   117
 BLACK BEAR               8170    36.2    33.9   107     34.9    34.1   102
 CANYON                   7870    13.8    11.7   118     15.0    13.3   113
 FISHER CREEK             9100    33.4    30.3   110     32.2    31.3   103
 MADISON PLATEAU          7750    22.6    21.4   106     24.6    22.6   109
 NORTHEAST ENTRANCE       7350    11.5    10.0   115     12.9    11.0   117
 PARKER PEAK              9400    24.0    18.6   129     21.2    14.0   151
 SYLVAN LAKE              8420    19.9    19.2   104     23.1    18.2   127
 THUMB DIVIDE             7980    17.0    15.8   108     16.8    16.4   102
 TWO OCEAN PLATEAU        9240      -M    23.8      *      -M    23.9      *
 WHISKEY CREEK            6800    16.4    14.8   111     18.9    17.8   106
 WHITE MILL               8700    22.7    20.8   109     23.2    23.2   100
 WOLVERINE                7650    12.6    10.8   117     12.4    11.4   109
                                                -----                  -----
                Basin wide percent of average    110                    111


WIND RIVER

 BURROUGHS CREEK          8750    12.4    12.9    96     13.0    14.0    93
 CASTLE CREEK             8400     5.5      -M      *     6.3      -M      *
 COLD SPRINGS             9630     7.1     7.4    96      6.8     8.6    79
 DEER PARK                9700    16.4    14.5   113     19.0    18.3   104
 HOBBS PARK              10100    12.3    12.1   102     10.8    10.1   107
 LITTLE WARM              9370    10.0     9.7   103     10.1    11.1    91
 SOUTH PASS               9040    15.3    14.4   106     13.4    15.3    88
 ST. LAWRENCE ALT         8620     4.2     6.1    69      5.9     7.1    83
 TOGWOTEE PASS            9580    23.6    21.1   112     25.1    21.1   119
 TOWNSEND CREEK           8700     7.7     7.1   108      9.6     9.1   105
                                                -----                  -----
                Basin wide percent of average    104                     99


BIGHORN BASIN

 BALD MTN.                9380    19.5    16.3   120     16.1    14.4   112
 BEAR TRAP MEADOW         8200     6.6     4.5   147      7.0     6.5   108
 BLACKWATER               9780    21.2    20.9   101     20.8    17.5   119
 BONE SPRINGS DIV         9350    16.0    13.5   119     13.3    11.9   112
 EVENING STAR             9200    26.1    25.6   102     28.9    22.2   130
 GRAVE SPRINGS            8550     6.9     7.5    92      7.0     8.0    88
 KIRWIN                   9550     9.2     9.3    99     10.2     9.4   109
 MARQUETTE                8760     1.8     7.0    26      5.3     7.7    69
 MIDDLE POWDER            7760     7.8     9.2    85      9.5     9.8    97
 OWL CREEK                8975     4.6     4.2   110      4.6     4.5   102
 POWDER RIVER PASS        9480    11.7     8.9   131     13.6    10.2   133
 SHELL CREEK              9580    13.8    12.1   114     12.4    11.0   113
 SYLVAN LAKE              8420    19.9    19.2   104     23.1    18.2   127
 SYLVAN ROAD              7120    13.5    11.6   116     17.3    15.8   109
 TIMBER CREEK             7950     3.2     4.3    74      3.8     5.5    69
 YOUNTS PEAK              8350    14.1    14.9    95     12.2    13.9    88
                                                -----                  -----
                Basin wide percent of average    104                    110


SHOSHONE RIVER

 BLACKWATER               9780    21.2    20.9   101     20.8    17.5   119
 EVENING STAR             9200    26.1    25.6   102     28.9    22.2   130
 KIRWIN                   9550     9.2     9.3    99     10.2     9.4   109
 MARQUETTE                8760     1.8     7.0    26      5.3     7.7    69
 SYLVAN LAKE              8420    19.9    19.2   104     23.1    18.2   127
 SYLVAN ROAD              7120    13.5    11.6   116     17.3    15.8   109
 YOUNTS PEAK              8350    14.1    14.9    95     12.2    13.9    88
                                                -----                  -----
                Basin wide percent of average     98                    113


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     6.6     4.5   147      7.0     6.5   108
 BIG GOOSE                7990     6.3     7.9    80      8.0     6.9   116
 BONE SPRINGS DIV         9350    16.0    13.5   119     13.3    11.9   112
 BURGESS JUNCTION         7880     9.1     9.2    99     10.0     9.7   103
 CLOUD PEAK RESERVOIR     9860    13.2    10.3   128     12.5    10.0   125
 DOME LAKE                8880    10.2     9.7   105     10.6    10.4   102
 GRAVE SPRINGS            8550     6.9     7.5    92      7.0     8.0    88
 HANSEN SAWMILL           8360     5.6     5.3   106      6.2     6.4    97
 LITTLE GOOSE             8870     7.2      -M      *    11.3      -M      *
 MIDDLE POWDER            7760     7.8     9.2    85      9.5     9.8    97
 POWDER RIVER PASS        9480    11.7     8.9   131     13.6    10.2   133
 SOLDIER PARK             8720     5.7      -M      *     7.1      -M      *
 SUCKER CREEK             8880    10.6     9.4   113     11.8    10.7   110
 TIE CREEK                6870     5.9     5.1   116      8.4     8.0   105
                                                -----                  -----
                Basin wide percent of average    109                    109


BELLE FOURCHE

 BLIND PARK               6890     8.7     7.4   118     14.4     9.5   152
 COLE CANYON              5910     7.1     5.9   120     10.4     5.6   186
 NORTH RAPID CREEK        6130     8.0     7.0   114     12.4     7.6   163
                                                -----                  -----
                Basin wide percent of average    117                    164


UPPER N. PLATTE RIVER

 CINNABAR PARK            9574    20.9    16.2   129     21.9    17.4   126
 COLUMBINE                9160    28.7    22.4   128     29.3    21.3   138
 DIVIDE PEAK              8880    18.9    16.0   118     23.0    17.4   132
 ELK RIVER                8700    21.3    16.5   129     22.7    16.5   138
 JOE WRIGHT              10120    24.1    17.6   137     29.6    20.6   144
 NORTH FRENCH CREEK      10130    36.7    23.2   158     32.2    20.7   156
 OLD BATTLE              10000    35.1    26.9   130     28.2    29.1    97
 SAGE CREEK BASIN         7850    17.5     9.3   188     15.8    10.1   156
 SOUTH BRUSH CREEK        8440    15.6    10.3   151     18.6    13.6   137
 TOWER                   10500    45.9    38.3   120     45.3    32.6   139
 WEBBER SPRINGS           9250    25.7    22.0   117     30.7    22.5   136
 WILLOW CREEK PASS        9540    15.9     9.8   162     14.9    10.6   141
                                                -----                  -----
                Basin wide percent of average    134                    134


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    25.5    19.4   131     25.9    17.9   145
 CASPER MTN.              7900     9.6    11.5    83     12.2    11.3   108
 DEADMAN HILL            10220    18.2    13.2   138     18.9    13.6   139
 DEER PARK                9700    16.4    14.5   113     19.0    18.3   104
 LAPRELE CREEK            8375    10.9     9.1   120     12.1    10.3   117
 RENO HILL                8400    12.3    10.7   115     14.4    11.8   122
 ROACH                    9700    17.6    14.2   124     21.1    15.3   138
 SAND LAKE               10050    30.8    25.9   119     29.3    19.7   149
 SOUTH PASS               9040    15.3    14.4   106     13.4    15.3    88
 WINDY PEAK               7900     8.8     6.2   142     11.1     8.7   128
                                                -----                  -----
                Basin wide percent of average    119                    125


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      -M    10.0      *    11.1    12.6    88
 DIVIDE PEAK              8880    18.9    16.0   118     23.0    17.4   132
 OLD BATTLE              10000    35.1    26.9   130     28.2    29.1    97
 SANDSTONE RS             8150    12.6    12.8    98       -M    16.0      *
 WHISKEY PARK             8950      -M    24.5      *    33.2    23.9   139
                                                -----                  -----
                Basin wide percent of average    120                    115


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    12.8    12.4   103     13.1    11.6   113
 BLIND BULL SUM           8650    24.4    23.6   103     17.3    19.4    89
 EAST RIM DIVIDE          7930    12.9    11.3   114     11.2    10.4   108
 ELKHART PARK G.S.        9400    11.3    11.4    99     11.3    11.2   101
 GROS VENTRE SUMMIT       8750    12.7    11.8   108     12.3    11.0   112
 GUNSIGHT PASS            9820    14.3      -M      *    14.3      -M      *
 KENDALL R.S.             7740    11.3    12.7    89     12.9    12.8   101
 LOOMIS PARK              8240    16.8    14.9   113     17.5    15.1   116
 NEW FORK LAKE            8340    10.9     9.8   111     10.1     9.8   103
 POCKET CREEK             9360    10.0      -M      *    12.5      -M      *
 SNIDER BASIN             8060    17.2    12.7   135     16.8    14.0   120
 SPRING CREEK DIVIDE      9000    29.0    22.7   128     28.0    22.9   122
 TRIPLE PEAK              8500    25.3    21.3   119     27.4    21.2   129
                                                -----                  -----
                Basin wide percent of average    112                    112


LOWER GREEN RIVER

 HAMS FORK                7840    14.4    11.3   127     13.4    10.6   126
 HEWINTA                  9519    10.9     9.4   116     14.2    11.9   119
 HICKERSON PARK           9145     6.5     6.0   108      8.2     6.4   128
 HOLE-IN-ROCK             9150     6.9     5.9   117      8.6     5.9   146
 INDIAN CREEK             9425    26.3    22.9   115     23.9    21.5   111
 KELLEY R.S.              8180    17.6    14.3   123     20.7    17.5   118
 STEEL CREEK PARK        10200    14.4    13.0   111     17.0    13.2   129
                                                -----                  -----
                Basin wide percent of average    117                    122


UPPER BEAR RIVER

 BUG LAKE                 7950    25.2    17.5   144     24.3    16.5   147
 HAYDEN FORK              9212    19.9    13.5   147     25.5    17.5   146
 KELLEY R.S.              8180    17.6    14.3   123     20.7    17.5   118
 LILY LAKE                9156    17.1    11.1   154     18.5    14.6   127
 MONTE CRISTO             8960    31.3    25.4   123     31.4    21.6   145
 SALT RIVER SUMMIT        7760    14.5    12.4   117     18.6    16.1   116
 TRIAL LAKE               9992    30.4    21.1   144     29.9    21.0   142
                                                -----                  -----
                Basin wide percent of average    135                    135

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


 -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.