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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: MARCH 7 , 2011
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    17.5    16.6   105     20.5    19.3   106
 COTTONWOOD CREEK         7670    23.0    19.7   117     30.5    23.9   128
 GRAND TARGHEE            9260    40.6      -M      *    26.3      -M      *
 GRANITE CREEK            6770    18.7    16.9   111     20.1    18.1   111
 GRASSY LAKE              7265    32.1    30.9   104     34.3    32.1   107
 GROS VENTRE SUMMIT       8750    13.0    12.1   107     12.6    11.2   113
 GUNSIGHT PASS            9820    14.8      -M      *    14.7      -M      *
 LEWIS LAKE DIVIDE        7850    31.3    31.0   101     30.1    32.8    92
 PHILLIPS BENCH           8200    26.3    25.1   105     27.0    25.6   105
 SALT RIVER SUMMIT        7760    15.1    12.7   119     19.1    16.4   116
 SNAKE RIVER STATION      6920      -M    17.3      *    22.2    20.1   110
 SPRING CREEK DIVIDE      9000    29.9    23.1   129     28.7    23.3   123
 THUMB DIVIDE             7980    17.3    16.3   106     17.0    16.7   102
 TOGWOTEE PASS            9580    24.8    21.6   115     26.2    21.5   122
 TWO OCEAN PLATEAU        9240      -M    24.3      *      -M    24.4      *
 WILLOW CREEK             8380    29.5    26.5   111     34.2    28.1   122
                                                -----                  -----
                Basin wide percent of average    110                    112


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    21.5    20.8   103     20.4    17.8   115
 BLACK BEAR               8170    37.1    34.8   107     35.7    34.8   103
 CANYON                   7870    14.2    12.0   118     15.2    13.5   113
 FISHER CREEK             9100    34.0    31.0   110     32.9    31.9   103
 MADISON PLATEAU          7750    23.1    22.0   105     25.0    23.1   108
 NORTHEAST ENTRANCE       7350    11.8    10.2   116     13.1    11.2   117
 PARKER PEAK              9400    24.4    19.0   128     21.5    14.2   151
 SYLVAN LAKE              8420    20.1    19.6   103     23.4    18.5   126
 THUMB DIVIDE             7980    17.3    16.3   106     17.0    16.7   102
 TWO OCEAN PLATEAU        9240      -M    24.3      *      -M    24.4      *
 WHISKEY CREEK            6800    16.8    15.3   110     19.3    18.2   106
 WHITE MILL               8700    23.2    21.4   108     23.7    23.7   100
 WOLVERINE                7650    13.0    11.1   117     12.5    11.6   108
                                                -----                  -----
                Basin wide percent of average    110                    110


WIND RIVER

 BURROUGHS CREEK          8750    13.4    13.2   102     13.9    14.2    98
 CASTLE CREEK             8400     6.1      -M      *     7.0      -M      *
 COLD SPRINGS             9630     7.3     7.7    95      6.9     8.7    79
 DEER PARK                9700    16.5    14.8   111     19.1    18.7   102
 HOBBS PARK              10100    12.4    12.6    98     10.8    10.3   105
 LITTLE WARM              9370    10.5    10.0   105     10.6    11.3    94
 SOUTH PASS               9040    15.5    14.8   105     13.5    15.6    87
 ST. LAWRENCE ALT         8620     4.2     6.3    67      6.0     7.3    82
 TOGWOTEE PASS            9580    24.8    21.6   115     26.2    21.5   122
 TOWNSEND CREEK           8700     7.5     7.3   103      9.5     9.3   102
                                                -----                  -----
                Basin wide percent of average    104                    100


BIGHORN BASIN

 BALD MTN.                9380    19.8    16.7   119     16.3    14.7   111
 BEAR TRAP MEADOW         8200     7.0     4.7   149      7.0     6.7   104
 BLACKWATER               9780    21.9    21.4   102     21.5    17.9   120
 BONE SPRINGS DIV         9350    16.4    13.8   119     13.6    12.1   112
 EVENING STAR             9200    26.9    26.1   103     29.6    22.5   132
 GRAVE SPRINGS            8550     7.3     7.8    94      7.5     8.2    91
 KIRWIN                   9550     9.8     9.6   102     10.8     9.6   113
 MARQUETTE                8760     2.3     7.1    32      5.3     7.8    68
 MIDDLE POWDER            7760     8.1     9.5    85      9.8    10.0    98
 OWL CREEK                8975     5.0     4.4   114      4.9     4.6   107
 POWDER RIVER PASS        9480    12.0     9.2   130     14.0    10.4   135
 SHELL CREEK              9580    14.2    12.3   115     12.9    11.2   115
 SYLVAN LAKE              8420    20.1    19.6   103     23.4    18.5   126
 SYLVAN ROAD              7120    13.7    11.9   115     17.6    16.0   110
 TIMBER CREEK             7950     3.4     4.4    77      4.1     5.7    72
 YOUNTS PEAK              8350    14.9    15.2    98     12.8    14.1    91
                                                -----                  -----
                Basin wide percent of average    105                    111


SHOSHONE RIVER

 BLACKWATER               9780    21.9    21.4   102     21.5    17.9   120
 EVENING STAR             9200    26.9    26.1   103     29.6    22.5   132
 KIRWIN                   9550     9.8     9.6   102     10.8     9.6   113
 MARQUETTE                8760     2.3     7.1    32      5.3     7.8    68
 SYLVAN LAKE              8420    20.1    19.6   103     23.4    18.5   126
 SYLVAN ROAD              7120    13.7    11.9   115     17.6    16.0   110
 YOUNTS PEAK              8350    14.9    15.2    98     12.8    14.1    91
                                                -----                  -----
                Basin wide percent of average     99                    114


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     7.0     4.7   149      7.0     6.7   104
 BIG GOOSE                7990     6.5     8.1    80      8.2     7.0   117
 BONE SPRINGS DIV         9350    16.4    13.8   119     13.6    12.1   112
 BURGESS JUNCTION         7880     9.3     9.5    98     10.2     9.9   103
 CLOUD PEAK RESERVOIR     9860    13.4    10.6   126     12.2    10.3   118
 DOME LAKE                8880    10.5     9.9   106     10.8    10.7   101
 GRAVE SPRINGS            8550     7.3     7.8    94      7.5     8.2    91
 HANSEN SAWMILL           8360     5.9     5.5   107      6.5     6.6    98
 LITTLE GOOSE             8870     7.4      -M      *    11.5      -M      *
 MIDDLE POWDER            7760     8.1     9.5    85      9.8    10.0    98
 POWDER RIVER PASS        9480    12.0     9.2   130     14.0    10.4   135
 SOLDIER PARK             8720     5.9      -M      *     7.3      -M      *
 SUCKER CREEK             8880    10.9     9.7   112     12.0    11.0   109
 TIE CREEK                6870     5.8     5.3   109      8.3     8.2   101
                                                -----                  -----
                Basin wide percent of average    109                    108


BELLE FOURCHE

 BLIND PARK               6890     9.1     7.7   118     14.8     9.6   154
 COLE CANYON              5910     7.5     5.9   127     10.6     5.7   186
 NORTH RAPID CREEK        6130     8.3     7.1   117     12.5     7.7   162
                                                -----                  -----
                Basin wide percent of average    120                    165


UPPER N. PLATTE RIVER

 CINNABAR PARK            9574    21.6    16.4   132     22.0    17.7   124
 COLUMBINE                9160    29.5    22.8   129     29.5    21.8   135
 DIVIDE PEAK              8880    19.7    16.4   120     23.7    17.8   133
 ELK RIVER                8700    21.8    16.8   130     23.1    16.8   138
 JOE WRIGHT              10120    24.6    18.0   137     29.6    21.1   140
 NORTH FRENCH CREEK      10130    38.2    23.8   161     32.2    21.1   153
 OLD BATTLE              10000    36.9    27.6   134     28.2    29.8    95
 SAGE CREEK BASIN         7850    18.4     9.5   194     16.5    10.3   160
 SOUTH BRUSH CREEK        8440    16.3    10.7   152     19.1    13.9   137
 TOWER                   10500    47.6    39.1   122     45.6    33.3   137
 WEBBER SPRINGS           9250    26.8    22.6   119     31.7    23.0   138
 WILLOW CREEK PASS        9540    16.2    10.0   162     15.1    10.8   140
                                                -----                  -----
                Basin wide percent of average    136                    133


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    27.0    19.8   136     26.6    18.3   145
 CASPER MTN.              7900    10.2    11.8    86     12.8    11.6   110
 DEADMAN HILL            10220    18.4    13.5   136     19.0    14.0   136
 DEER PARK                9700    16.5    14.8   111     19.1    18.7   102
 LAPRELE CREEK            8375    11.6     9.4   123     12.8    10.5   122
 RENO HILL                8400    12.9    11.0   117     15.0    12.1   124
 ROACH                    9700    17.8    14.5   123     21.3    15.6   137
 SAND LAKE               10050    32.1    26.6   121     30.4    20.1   151
 SOUTH PASS               9040    15.5    14.8   105     13.5    15.6    87
 WINDY PEAK               7900     9.7     6.5   149     12.1     8.8   138
                                                -----                  -----
                Basin wide percent of average    120                    126


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      -M    10.4      *    11.6    13.0    89
 DIVIDE PEAK              8880    19.7    16.4   120     23.7    17.8   133
 OLD BATTLE              10000    36.9    27.6   134     28.2    29.8    95
 SANDSTONE RS             8150    13.5    13.2   102       -M    16.3      *
 WHISKEY PARK             8950      -M    25.3      *    34.0    24.4   139
                                                -----                  -----
                Basin wide percent of average    123                    115


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    12.9    12.6   102     13.2    11.8   112
 BLIND BULL SUM           8650    25.9    24.2   107     18.4    19.7    93
 EAST RIM DIVIDE          7930    13.3    11.5   116     11.6    10.6   109
 ELKHART PARK G.S.        9400    11.7    11.6   101     11.6    11.4   102
 GROS VENTRE SUMMIT       8750    13.0    12.1   107     12.6    11.2   113
 GUNSIGHT PASS            9820    14.8      -M      *    14.7      -M      *
 KENDALL R.S.             7740    12.0    13.1    92     13.5    13.0   104
 LOOMIS PARK              8240    17.6    15.2   116     18.1    15.4   118
 NEW FORK LAKE            8340    11.3    10.0   113     10.3    10.0   103
 POCKET CREEK             9360    10.2      -M      *    12.6      -M      *
 SNIDER BASIN             8060    17.8    13.0   137     17.3    14.2   122
 SPRING CREEK DIVIDE      9000    29.9    23.1   129     28.7    23.3   123
 TRIPLE PEAK              8500    26.4    21.8   121     28.5    21.6   132
                                                -----                  -----
                Basin wide percent of average    114                    113


LOWER GREEN RIVER

 HAMS FORK                7840    15.1    11.6   130     13.9    10.8   129
 HEWINTA                  9519    11.0     9.6   115     14.4    12.2   118
 HICKERSON PARK           9145     6.8     6.1   111      8.6     6.5   132
 HOLE-IN-ROCK             9150     7.1     6.0   118      8.8     6.1   144
 INDIAN CREEK             9425    27.4    23.5   117     24.5    21.9   112
 KELLEY R.S.              8180    18.4    14.7   125     21.3    17.8   120
 STEEL CREEK PARK        10200    14.7    13.3   111     17.3    13.5   128
                                                -----                  -----
                Basin wide percent of average    119                    123


UPPER BEAR RIVER

 BUG LAKE                 7950    25.9    18.0   144     25.1    16.8   149
 HAYDEN FORK              9212    20.4    13.9   147     25.8    17.8   145
 KELLEY R.S.              8180    18.4    14.7   125     21.3    17.8   120
 LILY LAKE                9156    17.4    11.3   154     19.1    14.8   129
 MONTE CRISTO             8960    32.3    26.0   124     32.2    22.1   146
 SALT RIVER SUMMIT        7760    15.1    12.7   119     19.1    16.4   116
 TRIAL LAKE               9992    31.2    21.7   144     30.7    21.5   143
                                                -----                  -----
                Basin wide percent of average    136                    136

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


 -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.