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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 THURSDAY: FEBRUARY 24 , 2011
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    15.8    15.4   103     18.9    17.8   106
 COTTONWOOD CREEK         7670    21.0    17.4   121     28.0    22.1   127
 GRAND TARGHEE            9260    38.1      -M      *    26.1      -M      *
 GRANITE CREEK            6770    15.8    15.3   103     17.7    16.7   106
 GRASSY LAKE              7265    28.6    28.2   101     31.2    29.8   105
 GROS VENTRE SUMMIT       8750    12.0    11.0   109     11.6    10.3   113
 GUNSIGHT PASS            9820    13.3      -M      *    13.4      -M      *
 LEWIS LAKE DIVIDE        7850    27.6    28.3    98     27.3    30.2    90
 PHILLIPS BENCH           8200    24.0    22.8   105     24.8    23.6   105
 SALT RIVER SUMMIT        7760    13.3    11.6   115     17.4    15.1   115
 SNAKE RIVER STATION      6920    10.7    15.8    68     20.5    18.7   110
 SPRING CREEK DIVIDE      9000    27.1    21.2   128     26.4    21.6   122
 THUMB DIVIDE             7980    15.8    14.6   108     15.7    15.3   103
 TOGWOTEE PASS            9580    22.7    19.9   114     24.1    19.9   121
 TWO OCEAN PLATEAU        9240      -M    22.4      *      -M    22.4      *
 WILLOW CREEK             8380    26.5    24.3   109     31.4    25.9   121
                                                -----                  -----
                Basin wide percent of average    106                    110


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    19.9    19.3   103     19.2    16.5   116
 BLACK BEAR               8170    34.5    31.8   108     33.4    31.8   105
 CANYON                   7870    13.2    11.0   120     14.2    12.5   114
 FISHER CREEK             9100    31.8    28.6   111     30.5    29.3   104
 MADISON PLATEAU          7750    21.9    20.1   109     23.7    21.2   112
 NORTHEAST ENTRANCE       7350    10.7     9.4   114     12.3    10.4   118
 PARKER PEAK              9400    22.5    17.7   127     20.3    13.2   154
 SYLVAN LAKE              8420    18.8    18.2   103     22.0    17.3   127
 THUMB DIVIDE             7980    15.8    14.6   108     15.7    15.3   103
 TWO OCEAN PLATEAU        9240      -M    22.4      *      -M    22.4      *
 WHISKEY CREEK            6800    15.6    13.9   112     18.4    16.6   111
 WHITE MILL               8700    21.7    19.6   111     22.1    21.8   101
 WOLVERINE                7650    12.2    10.4   117     11.5    10.8   106
                                                -----                  -----
                Basin wide percent of average    111                    112


WIND RIVER

 BURROUGHS CREEK          8750    11.6    12.3    94     12.1    13.2    92
 CASTLE CREEK             8400     5.1      -M      *     5.9      -M      *
 COLD SPRINGS             9630     6.6     7.0    94      6.7     8.1    83
 DEER PARK                9700    15.5    13.9   112     17.3    17.2   101
 HOBBS PARK              10100    11.4    11.6    98     10.2     9.5   107
 LITTLE WARM              9370     9.3     9.2   101      9.3    10.5    89
 SOUTH PASS               9040    13.8    13.6   101     11.8    14.5    81
 ST. LAWRENCE ALT         8620     4.5     5.7    79      5.7     6.7    85
 TOGWOTEE PASS            9580    22.7    19.9   114     24.1    19.9   121
 TOWNSEND CREEK           8700     6.9     6.7   103      9.0     8.6   105
                                                -----                  -----
                Basin wide percent of average    102                     98


BIGHORN BASIN

 BALD MTN.                9380    19.1    15.5   123     15.7    13.6   115
 BEAR TRAP MEADOW         8200     6.1     4.2   145      6.6     6.2   106
 BLACKWATER               9780    20.2    19.9   102     19.6    16.6   118
 BONE SPRINGS DIV         9350    15.4    12.6   122     12.6    11.2   113
 EVENING STAR             9200    25.4    24.3   105     27.7    21.0   132
 GRAVE SPRINGS            8550     6.4     6.8    94      6.7     7.4    91
 KIRWIN                   9550     8.8     8.9    99      9.7     8.9   109
 MARQUETTE                8760     1.8     6.7    27      5.2     7.2    72
 MIDDLE POWDER            7760     7.4     8.6    86      9.1     9.3    98
 OWL CREEK                8975     4.3     4.0   108      4.2     4.3    98
 POWDER RIVER PASS        9480    11.4     8.4   136     13.2     9.6   138
 SHELL CREEK              9580    13.4    11.4   118     12.1    10.5   115
 SYLVAN LAKE              8420    18.8    18.2   103     22.0    17.3   127
 SYLVAN ROAD              7120    12.8    10.9   117     16.4    15.2   108
 TIMBER CREEK             7950     2.8     4.1    68      3.6     5.2    69
 YOUNTS PEAK              8350    13.3    14.3    93     11.5    13.1    88
                                                -----                  -----
                Basin wide percent of average    105                    111


SHOSHONE RIVER

 BLACKWATER               9780    20.2    19.9   102     19.6    16.6   118
 EVENING STAR             9200    25.4    24.3   105     27.7    21.0   132
 KIRWIN                   9550     8.8     8.9    99      9.7     8.9   109
 MARQUETTE                8760     1.8     6.7    27      5.2     7.2    72
 SYLVAN LAKE              8420    18.8    18.2   103     22.0    17.3   127
 SYLVAN ROAD              7120    12.8    10.9   117     16.4    15.2   108
 YOUNTS PEAK              8350    13.3    14.3    93     11.5    13.1    88
                                                -----                  -----
                Basin wide percent of average     98                    113


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     6.1     4.2   145      6.6     6.2   106
 BIG GOOSE                7990     5.9     7.3    81      7.8     6.5   120
 BONE SPRINGS DIV         9350    15.4    12.6   122     12.6    11.2   113
 BURGESS JUNCTION         7880     8.6     8.7    99      9.5     9.1   104
 CLOUD PEAK RESERVOIR     9860    12.4     9.6   129     11.8     9.4   126
 DOME LAKE                8880     9.3     9.3   100     10.1     9.9   102
 GRAVE SPRINGS            8550     6.4     6.8    94      6.7     7.4    91
 HANSEN SAWMILL           8360     5.1     4.9   104      5.8     6.1    95
 LITTLE GOOSE             8870     6.8      -M      *    10.8      -M      *
 MIDDLE POWDER            7760     7.4     8.6    86      9.1     9.3    98
 POWDER RIVER PASS        9480    11.4     8.4   136     13.2     9.6   138
 SOLDIER PARK             8720     5.4      -M      *     6.8      -M      *
 SUCKER CREEK             8880    10.1     8.7   116     11.1    10.1   110
 TIE CREEK                6870     5.5     4.7   117      8.0     7.6   105
                                                -----                  -----
                Basin wide percent of average    110                    110


BELLE FOURCHE

 BLIND PARK               6890     8.3     6.4   130     14.0     8.9   157
 COLE CANYON              5910     6.8     5.5   124     10.1     5.3   191
 NORTH RAPID CREEK        6130     7.9     6.5   122     12.2     7.2   169
                                                -----                  -----
                Basin wide percent of average    125                    170


UPPER N. PLATTE RIVER

 CINNABAR PARK            9574    20.5    15.5   132     21.9    16.7   131
 COLUMBINE                9160    26.9    20.9   129     28.2    20.0   141
 DIVIDE PEAK              8880    17.5    15.0   117     21.5    16.3   132
 ELK RIVER                8700    19.8    15.4   129     21.4    15.4   139
 JOE WRIGHT              10120    22.4    16.6   135     27.9    19.3   145
 NORTH FRENCH CREEK      10130    34.6    21.6   160     32.2    19.3   167
 OLD BATTLE              10000    33.4    25.0   134     27.8    27.1   103
 SAGE CREEK BASIN         7850    16.4     8.7   189     15.0     9.4   160
 SOUTH BRUSH CREEK        8440    14.3     9.4   152     17.3    12.8   135
 TOWER                   10500    43.8    36.1   121     44.1    30.6   144
 WEBBER SPRINGS           9250    24.1    20.1   120     28.9    21.2   136
 WILLOW CREEK PASS        9540    14.2     9.2   154     13.7     9.9   138
                                                -----                  -----
                Basin wide percent of average    135                    138


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    23.8    18.2   131     24.4    16.7   146
 CASPER MTN.              7900     9.0    10.8    83     11.6    10.6   109
 DEADMAN HILL            10220    16.7    12.5   134     17.6    12.6   140
 DEER PARK                9700    15.5    13.9   112     17.3    17.2   101
 LAPRELE CREEK            8375    10.1     8.5   119     11.2     9.6   117
 RENO HILL                8400    11.6     9.9   117     13.4    11.0   122
 ROACH                    9700    16.6    13.4   124     20.0    14.1   142
 SAND LAKE               10050    28.7    23.9   120     27.3    18.5   148
 SOUTH PASS               9040    13.8    13.6   101     11.8    14.5    81
 WINDY PEAK               7900     8.2     5.7   144     10.5     8.1   130
                                                -----                  -----
                Basin wide percent of average    118                    124


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      -M     9.2      *    10.6    11.8    90
 DIVIDE PEAK              8880    17.5    15.0   117     21.5    16.3   132
 OLD BATTLE              10000    33.4    25.0   134     27.8    27.1   103
 SANDSTONE RS             8150    11.5    11.9    97       -M    15.0      *
 WHISKEY PARK             8950      -M    22.6      *    31.7    22.5   141
                                                -----                  -----
                Basin wide percent of average    120                    118


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    11.5    11.6    99     11.9    10.9   109
 BLIND BULL SUM           8650    22.6    22.0   103     16.0    18.3    87
 EAST RIM DIVIDE          7930    11.9    10.5   113     10.3     9.8   105
 ELKHART PARK G.S.        9400    10.3    10.6    97     10.2    10.5    97
 GROS VENTRE SUMMIT       8750    12.0    11.0   109     11.6    10.3   113
 GUNSIGHT PASS            9820    13.3      -M      *    13.4      -M      *
 KENDALL R.S.             7740    10.2    11.8    86     11.8    12.0    98
 LOOMIS PARK              8240    15.3    13.8   111     16.1    14.2   113
 NEW FORK LAKE            8340     9.9     9.2   108      9.2     9.3    99
 POCKET CREEK             9360     9.0      -M      *    11.5      -M      *
 SNIDER BASIN             8060    15.8    11.9   133     15.6    13.2   118
 SPRING CREEK DIVIDE      9000    27.1    21.2   128     26.4    21.6   122
 TRIPLE PEAK              8500    23.8    19.9   120     25.8    19.8   130
                                                -----                  -----
                Basin wide percent of average    111                    110


LOWER GREEN RIVER

 HAMS FORK                7840    12.8    10.4   123     12.2    10.0   122
 HEWINTA                  9519    10.0     8.6   116     13.4    11.1   121
 HICKERSON PARK           9145     5.9     5.6   105      7.6     6.0   127
 HOLE-IN-ROCK             9150     6.5     5.4   120      8.2     5.5   149
 INDIAN CREEK             9425    24.6    21.2   116     22.4    20.2   111
 KELLEY R.S.              8180    16.3    13.3   123     19.1    16.5   116
 STEEL CREEK PARK        10200    13.6    12.0   113     16.3    12.3   133
                                                -----                  -----
                Basin wide percent of average    117                    122


UPPER BEAR RIVER

 BUG LAKE                 7950    22.3    16.3   137     22.3    15.5   144
 HAYDEN FORK              9212    17.9    12.4   144     23.8    16.3   146
 KELLEY R.S.              8180    16.3    13.3   123     19.1    16.5   116
 LILY LAKE                9156    15.2    10.3   148     17.6    13.7   128
 MONTE CRISTO             8960    27.4    23.4   117     27.7    20.2   137
 SALT RIVER SUMMIT        7760    13.3    11.6   115     17.4    15.1   115
 TRIAL LAKE               9992    27.9    19.6   142     27.4    19.5   141
                                                -----                  -----
                Basin wide percent of average    131                    133

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


 -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.