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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 SUNDAY: MARCH 6 , 2011
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    17.3    16.5   105     20.1    19.2   105
 COTTONWOOD CREEK         7670    22.5    19.5   115     29.9    23.8   126
 GRAND TARGHEE            9260    40.1      -M      *    26.4      -M      *
 GRANITE CREEK            6770    18.2    16.8   108     19.7    18.0   109
 GRASSY LAKE              7265    31.8    30.7   104     34.1    32.0   107
 GROS VENTRE SUMMIT       8750    12.9    12.0   108     12.5    11.1   113
 GUNSIGHT PASS            9820    14.5      -M      *    14.5      -M      *
 LEWIS LAKE DIVIDE        7850    31.0    30.8   101     29.8    32.6    91
 PHILLIPS BENCH           8200    25.9    24.9   104     26.7    25.5   105
 SALT RIVER SUMMIT        7760    14.7    12.6   117     18.8    16.3   115
 SNAKE RIVER STATION      6920      -M    17.2      *    22.0    20.0   110
 SPRING CREEK DIVIDE      9000    29.5    23.0   128     28.4    23.2   122
 THUMB DIVIDE             7980    17.3    16.1   107     17.0    16.6   102
 TOGWOTEE PASS            9580    24.2    21.4   113     25.7    21.3   121
 TWO OCEAN PLATEAU        9240      -M    24.1      *      -M    24.2      *
 WILLOW CREEK             8380    28.8    26.3   110     33.6    28.0   120
                                                -----                  -----
                Basin wide percent of average    109                    111


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    21.5    20.6   104     20.5    17.7   116
 BLACK BEAR               8170    37.0    34.5   107     35.4    34.6   102
 CANYON                   7870    14.1    11.9   118     15.1    13.4   113
 FISHER CREEK             9100    34.0    30.8   110     32.8    31.7   103
 MADISON PLATEAU          7750    23.0    21.9   105     25.0    22.9   109
 NORTHEAST ENTRANCE       7350    11.8    10.1   117     13.1    11.1   118
 PARKER PEAK              9400    24.4    18.9   129       -M    14.2      *
 SYLVAN LAKE              8420    20.1    19.4   104     23.3    18.4   127
 THUMB DIVIDE             7980    17.3    16.1   107     17.0    16.6   102
 TWO OCEAN PLATEAU        9240      -M    24.1      *      -M    24.2      *
 WHISKEY CREEK            6800    16.8    15.2   111     19.2    18.0   107
 WHITE MILL               8700    23.2    21.2   109     23.7    23.5   101
 WOLVERINE                7650    12.9    11.0   117     12.5    11.5   109
                                                -----                  -----
                Basin wide percent of average    111                    108


WIND RIVER

 BURROUGHS CREEK          8750    12.8    13.1    98     13.4    14.1    95
 CASTLE CREEK             8400     5.7      -M      *     6.5      -M      *
 COLD SPRINGS             9630     7.1     7.6    93      6.8     8.7    78
 DEER PARK                9700    16.4    14.6   112     19.1    18.5   103
 HOBBS PARK              10100    12.4    12.5    99     10.8    10.3   105
 LITTLE WARM              9370    10.2    10.0   102     10.2    11.3    90
 SOUTH PASS               9040    15.3    14.7   104     13.4    15.5    86
 ST. LAWRENCE ALT         8620     4.2     6.3    67      5.9     7.2    82
 TOGWOTEE PASS            9580    24.2    21.4   113     25.7    21.3   121
 TOWNSEND CREEK           8700     7.5     7.3   103      9.5     9.2   103
                                                -----                  -----
                Basin wide percent of average    102                     99


BIGHORN BASIN

 BALD MTN.                9380    19.7    16.6   119     16.1    14.6   110
 BEAR TRAP MEADOW         8200     6.8     4.6   148      6.8     6.6   103
 BLACKWATER               9780    21.4    21.2   101     21.0    17.8   118
 BONE SPRINGS DIV         9350    16.1    13.7   118     13.3    12.0   111
 EVENING STAR             9200    26.8    26.0   103     29.5    22.4   132
 GRAVE SPRINGS            8550     7.2     7.7    94      7.3     8.1    90
 KIRWIN                   9550     9.4     9.6    98     10.4     9.5   109
 MARQUETTE                8760     2.0     7.1    28      5.3     7.8    68
 MIDDLE POWDER            7760     8.0     9.4    85      9.8    10.0    98
 OWL CREEK                8975     4.6     4.3   107      4.5     4.6    98
 POWDER RIVER PASS        9480    11.9     9.1   131     13.9    10.3   135
 SHELL CREEK              9580    13.9    12.3   113     12.6    11.1   114
 SYLVAN LAKE              8420    20.1    19.4   104     23.3    18.4   127
 SYLVAN ROAD              7120    13.5    11.9   113     17.5    15.9   110
 TIMBER CREEK             7950     3.0     4.4    68      3.8     5.6    68
 YOUNTS PEAK              8350    14.5    15.1    96     12.5    14.0    89
                                                -----                  -----
                Basin wide percent of average    103                    110


SHOSHONE RIVER

 BLACKWATER               9780    21.4    21.2   101     21.0    17.8   118
 EVENING STAR             9200    26.8    26.0   103     29.5    22.4   132
 KIRWIN                   9550     9.4     9.6    98     10.4     9.5   109
 MARQUETTE                8760     2.0     7.1    28      5.3     7.8    68
 SYLVAN LAKE              8420    20.1    19.4   104     23.3    18.4   127
 SYLVAN ROAD              7120    13.5    11.9   113     17.5    15.9   110
 YOUNTS PEAK              8350    14.5    15.1    96     12.5    14.0    89
                                                -----                  -----
                Basin wide percent of average     98                    113


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     6.8     4.6   148      6.8     6.6   103
 BIG GOOSE                7990     6.5     8.0    81      8.2     7.0   117
 BONE SPRINGS DIV         9350    16.1    13.7   118     13.3    12.0   111
 BURGESS JUNCTION         7880     9.2     9.4    98     10.1     9.9   102
 CLOUD PEAK RESERVOIR     9860    13.3    10.5   127     12.0    10.2   118
 DOME LAKE                8880    10.4     9.9   105     10.6    10.6   100
 GRAVE SPRINGS            8550     7.2     7.7    94      7.3     8.1    90
 HANSEN SAWMILL           8360     5.8     5.4   107      6.4     6.5    98
 LITTLE GOOSE             8870     7.3      -M      *    11.5      -M      *
 MIDDLE POWDER            7760     8.0     9.4    85      9.8    10.0    98
 POWDER RIVER PASS        9480    11.9     9.1   131     13.9    10.3   135
 SOLDIER PARK             8720     5.8      -M      *     7.2      -M      *
 SUCKER CREEK             8880    10.8     9.6   113     11.9    10.9   109
 TIE CREEK                6870     5.9     5.2   113      8.5     8.1   105
                                                -----                  -----
                Basin wide percent of average    109                    108


BELLE FOURCHE

 BLIND PARK               6890     8.9     7.7   116     14.5     9.6   151
 COLE CANYON              5910     7.5     5.9   127     10.6     5.7   186
 NORTH RAPID CREEK        6130     8.3     7.0   119     12.5     7.7   162
                                                -----                  -----
                Basin wide percent of average    120                    163


UPPER N. PLATTE RIVER

 CINNABAR PARK            9574    21.1    16.3   129     21.9    17.6   124
 COLUMBINE                9160    28.9    22.6   128     29.4    21.6   136
 DIVIDE PEAK              8880    19.0    16.3   117     23.0    17.7   130
 ELK RIVER                8700    21.4    16.7   128     22.7    16.7   136
 JOE WRIGHT              10120    24.2    17.9   135     29.6    20.9   142
 NORTH FRENCH CREEK      10130    37.1    23.6   157     32.2    21.0   153
 OLD BATTLE              10000    35.9    27.4   131     28.2    29.6    95
 SAGE CREEK BASIN         7850    17.6     9.5   185     15.8    10.3   153
 SOUTH BRUSH CREEK        8440    15.7    10.6   148     18.6    13.8   135
 TOWER                   10500    46.6    38.8   120     45.5    33.1   137
 WEBBER SPRINGS           9250    26.3    22.4   117     30.6    22.8   134
 WILLOW CREEK PASS        9540    16.0    10.0   160     15.0    10.7   140
                                                -----                  -----
                Basin wide percent of average    133                    133


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    26.2    19.7   133     26.0    18.2   143
 CASPER MTN.              7900     9.8    11.7    84     12.5    11.5   109
 DEADMAN HILL            10220    18.2    13.4   136     18.9    13.9   136
 DEER PARK                9700    16.4    14.6   112     19.1    18.5   103
 LAPRELE CREEK            8375    10.9     9.3   117     12.1    10.4   116
 RENO HILL                8400    12.5    10.9   115     14.5    12.0   121
 ROACH                    9700    17.7    14.4   123     21.1    15.5   136
 SAND LAKE               10050    31.4    26.4   119     29.8    20.0   149
 SOUTH PASS               9040    15.3    14.7   104     13.4    15.5    86
 WINDY PEAK               7900     9.0     6.4   141     11.3     8.8   128
                                                -----                  -----
                Basin wide percent of average    118                    124


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      -M    10.2      *    11.0    12.8    86
 DIVIDE PEAK              8880    19.0    16.3   117     23.0    17.7   130
 OLD BATTLE              10000    35.9    27.4   131     28.2    29.6    95
 SANDSTONE RS             8150    12.7    13.1    97       -M    16.2      *
 WHISKEY PARK             8950      -M    25.0      *    33.5    24.3   138
                                                -----                  -----
                Basin wide percent of average    119                    113


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    12.9    12.6   102     13.1    11.7   112
 BLIND BULL SUM           8650    25.3    24.0   105     17.9    19.6    91
 EAST RIM DIVIDE          7930    13.1    11.5   114     11.4    10.6   108
 ELKHART PARK G.S.        9400    11.5    11.5   100     11.4    11.3   101
 GROS VENTRE SUMMIT       8750    12.9    12.0   108     12.5    11.1   113
 GUNSIGHT PASS            9820    14.5      -M      *    14.5      -M      *
 KENDALL R.S.             7740    11.6    13.0    89     13.2    13.0   102
 LOOMIS PARK              8240    17.2    15.1   114     17.7    15.3   116
 NEW FORK LAKE            8340    11.1     9.9   112     10.2     9.9   103
 POCKET CREEK             9360    10.0      -M      *    12.5      -M      *
 SNIDER BASIN             8060    17.6    12.9   136     17.1    14.2   120
 SPRING CREEK DIVIDE      9000    29.5    23.0   128     28.4    23.2   122
 TRIPLE PEAK              8500    26.0    21.6   120     28.1    21.5   131
                                                -----                  -----
                Basin wide percent of average    113                    112


LOWER GREEN RIVER

 HAMS FORK                7840    14.7    11.5   128     13.6    10.7   127
 HEWINTA                  9519    10.8     9.6   113     14.3    12.1   118
 HICKERSON PARK           9145     6.4     6.1   105      8.1     6.5   125
 HOLE-IN-ROCK             9150     7.0     5.9   119      8.6     6.0   143
 INDIAN CREEK             9425    26.8    23.3   115     24.1    21.8   111
 KELLEY R.S.              8180    17.9    14.6   123     20.9    17.7   118
 STEEL CREEK PARK        10200    14.5    13.2   110     17.0    13.4   127
                                                -----                  -----
                Basin wide percent of average    117                    121


UPPER BEAR RIVER

 BUG LAKE                 7950    25.4    17.8   143     24.6    16.7   147
 HAYDEN FORK              9212    20.3    13.8   147     25.6    17.7   145
 KELLEY R.S.              8180    17.9    14.6   123     20.9    17.7   118
 LILY LAKE                9156    17.2    11.2   154     18.8    14.8   127
 MONTE CRISTO             8960    31.6    25.8   122     31.6    21.9   144
 SALT RIVER SUMMIT        7760    14.7    12.6   117     18.8    16.3   115
 TRIAL LAKE               9992    30.7    21.5   143     29.9    21.3   140
                                                -----                  -----
                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.