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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 27 , 2011
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    21.4    18.1   118     23.5    21.2   111
 COTTONWOOD CREEK         7670    26.8    23.6   114     34.0    27.0   126
 GRAND TARGHEE            9260    46.4      -M      *      -M      -M      *
 GRANITE CREEK            6770    21.7    18.7   116     22.8    19.8   115
 GRASSY LAKE              7265    38.7    35.3   110     39.6    35.6   111
 GROS VENTRE SUMMIT       8750    14.7    14.0   105     14.2    12.7   112
 GUNSIGHT PASS            9820    17.2      -M      *    16.5      -M      *
 LEWIS LAKE DIVIDE        7850    39.9    35.1   114       -M    36.4      *
 PHILLIPS BENCH           8200    31.7    28.5   111     31.4    28.7   109
 SALT RIVER SUMMIT        7760    17.4    14.3   122     21.5    18.5   116
 SNAKE RIVER STATION      6920      -M    19.1      *    25.7    22.0   117
 SPRING CREEK DIVIDE      9000    34.1    26.2   130     31.5    26.1   121
 THUMB DIVIDE             7980    21.9    18.9   116     20.1    18.6   108
 TOGWOTEE PASS            9580    28.0    24.5   114     29.6    24.2   122
 TWO OCEAN PLATEAU        9240      -M    27.6      *      -M    27.3      *
 WILLOW CREEK             8380    35.4    30.0   118     39.1    31.7   123
                                                -----                  -----
                Basin wide percent of average    115                    116


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    25.7    23.1   111     24.5    19.8   124
 BLACK BEAR               8170    46.6    38.7   120     42.5    39.8   107
 CANYON                   7870    17.1    13.5   127     18.3    15.2   120
 FISHER CREEK             9100    40.7    34.5   118     39.1    35.9   109
 MADISON PLATEAU          7750    29.5    24.7   119     31.1    26.3   118
 NORTHEAST ENTRANCE       7350    14.0    11.2   125     15.1    12.5   121
 PARKER PEAK              9400    28.5    21.3   134       -M    16.0      *
 SYLVAN LAKE              8420    24.2    22.2   109     27.7    20.6   134
 THUMB DIVIDE             7980    21.9    18.9   116     20.1    18.6   108
 TWO OCEAN PLATEAU        9240      -M    27.6      *      -M    27.3      *
 WHISKEY CREEK            6800    20.4    16.9   121     23.3    20.7   113
 WHITE MILL               8700    27.9    23.9   117     28.1    26.6   106
 WOLVERINE                7650    14.7    11.5   128     14.2    12.6   113
                                                -----                  -----
                Basin wide percent of average    120                    114


WIND RIVER

 BURROUGHS CREEK          8750    14.8    14.5   102     15.5    16.0    97
 CASTLE CREEK             8400     6.7      -M      *     7.4      -M      *
 COLD SPRINGS             9630     8.4     8.7    97      7.9    10.2    77
 DEER PARK                9700    18.5    16.6   111     21.4    21.3   100
 HOBBS PARK              10100    13.9    14.4    97     12.1    12.3    98
 LITTLE WARM              9370    12.3    11.6   106     12.5    13.0    96
 SOUTH PASS               9040    17.1    16.3   105     14.7    18.0    82
 ST. LAWRENCE ALT         8620     4.7     7.0    67      6.6     8.5    78
 TOGWOTEE PASS            9580    28.0    24.5   114     29.6    24.2   122
 TOWNSEND CREEK           8700     8.1     8.3    98     10.4    11.1    94
                                                -----                  -----
                Basin wide percent of average    103                     97


BIGHORN BASIN

 BALD MTN.                9380    21.3    19.1   112     17.5    16.9   104
 BEAR TRAP MEADOW         8200     7.9     5.2   152      7.6     7.9    96
 BLACKWATER               9780    25.5    24.0   106     24.7    20.1   123
 BONE SPRINGS DIV         9350    18.2    15.8   115     15.1    14.1   107
 EVENING STAR             9200    31.1    29.3   106     32.8    24.9   132
 GRAVE SPRINGS            8550     8.8     9.0    98      8.8     9.4    94
 KIRWIN                   9550    11.0    11.0   100     12.0    10.9   110
 MARQUETTE                8760     2.6      -M      *     5.8     9.3    62
 MIDDLE POWDER            7760    10.2    11.3    90     11.1    11.9    93
 OWL CREEK                8975     5.3     5.3   100      5.2     5.6    93
 POWDER RIVER PASS        9480    13.3    10.5   127     15.3    11.9   129
 SHELL CREEK              9580    15.9    14.3   111     14.5    12.9   112
 SYLVAN LAKE              8420    24.2    22.2   109     27.7    20.6   134
 SYLVAN ROAD              7120    16.0    12.6   127     20.3    17.4   117
 TIMBER CREEK             7950     3.6     5.4    67      4.5     7.0    64
 YOUNTS PEAK              8350    17.3    16.9   102     14.9    15.9    94
                                                -----                  -----
                Basin wide percent of average    108                    110


SHOSHONE RIVER

 BLACKWATER               9780    25.5    24.0   106     24.7    20.1   123
 EVENING STAR             9200    31.1    29.3   106     32.8    24.9   132
 KIRWIN                   9550    11.0    11.0   100     12.0    10.9   110
 MARQUETTE                8760     2.6      -M      *     5.8     9.3    62
 SYLVAN LAKE              8420    24.2    22.2   109     27.7    20.6   134
 SYLVAN ROAD              7120    16.0    12.6   127     20.3    17.4   117
 YOUNTS PEAK              8350    17.3    16.9   102     14.9    15.9    94
                                                -----                  -----
                Basin wide percent of average    108                    116


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     7.9     5.2   152      7.6     7.9    96
 BIG GOOSE                7990     7.4    10.0    74      9.1     8.2   111
 BONE SPRINGS DIV         9350    18.2    15.8   115     15.1    14.1   107
 BURGESS JUNCTION         7880    10.0    11.2    89     10.8    11.7    92
 CLOUD PEAK RESERVOIR     9860    14.9    12.8   116     13.4    12.3   109
 DOME LAKE                8880    12.4    11.9   104     12.2    12.6    97
 GRAVE SPRINGS            8550     8.8     9.0    98      8.8     9.4    94
 HANSEN SAWMILL           8360     6.6     6.3   105      7.2     7.8    92
 LITTLE GOOSE             8870     8.4      -M      *    12.7      -M      *
 MIDDLE POWDER            7760    10.2    11.3    90     11.1    11.9    93
 POWDER RIVER PASS        9480    13.3    10.5   127     15.3    11.9   129
 SOLDIER PARK             8720     7.3      -M      *     8.5      -M      *
 SUCKER CREEK             8880    12.0    11.3   106     13.3    13.0   102
 TIE CREEK                6870     6.1     5.7   107      9.2     9.5    97
                                                -----                  -----
                Basin wide percent of average    106                    102


BELLE FOURCHE

 BLIND PARK               6890     9.0     8.5   106     15.8    10.8   146
 COLE CANYON              5910     7.6     6.7   113     11.4     6.5   175
 NORTH RAPID CREEK        6130     8.2     8.0   103     13.4     8.4   160
                                                -----                  -----
                Basin wide percent of average    107                    158


UPPER N. PLATTE RIVER

 CINNABAR PARK            9574    24.2    17.8   136     30.3    19.6   155
 COLUMBINE                9160    32.6    24.8   131     33.4    24.7   135
 DIVIDE PEAK              8880    23.6    19.4   122     27.0    20.3   133
 ELK RIVER                8700    25.0    19.1   131     26.0    19.1   136
 JOE WRIGHT              10120    30.5    20.7   147     33.8    24.1   140
 NORTH FRENCH CREEK      10130    42.6    28.3   151       -M    24.0      *
 OLD BATTLE              10000    41.9    31.5   133     29.3    33.9    86
 SAGE CREEK BASIN         7850    20.8    11.3   184     18.4    11.8   156
 SOUTH BRUSH CREEK        8440    18.5    12.8   145     21.2    15.9   133
 TOWER                   10500    52.7    44.5   118     46.2    37.6   123
 WEBBER SPRINGS           9250    30.8    26.1   118     35.4    26.1   136
 WILLOW CREEK PASS        9540    18.8    11.6   162     17.3    12.4   140
                                                -----                  -----
                Basin wide percent of average    135                    130


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    30.6    23.0   133     30.1    21.4   141
 CASPER MTN.              7900    11.2    13.9    81     13.8    13.8   100
 DEADMAN HILL            10220    21.1    15.8   134     21.3    16.4   130
 DEER PARK                9700    18.5    16.6   111     21.4    21.3   100
 LAPRELE CREEK            8375    13.0    10.8   120     13.9    12.2   114
 RENO HILL                8400    14.2    13.6   104     16.6    14.3   116
 ROACH                    9700    20.1    16.6   121     23.0    18.1   127
 SAND LAKE               10050    35.7    31.6   113     33.8    23.4   144
 SOUTH PASS               9040    17.1    16.3   105     14.7    18.0    82
 WINDY PEAK               7900    10.7     7.9   135     13.0    10.2   127
                                                -----                  -----
                Basin wide percent of average    116                    119


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      -M    11.4      *    13.9    15.4    90
 DIVIDE PEAK              8880    23.6    19.4   122     27.0    20.3   133
 OLD BATTLE              10000    41.9    31.5   133     29.3    33.9    86
 SANDSTONE RS             8150    16.7    15.0   111     25.0    18.4   136
 WHISKEY PARK             8950      -M    29.8      *    39.6    28.0   141
                                                -----                  -----
                Basin wide percent of average    125                    116


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    15.1    14.3   106     15.1    13.1   115
 BLIND BULL SUM           8650    30.8    27.7   111     21.6    21.9    99
 EAST RIM DIVIDE          7930    15.6    13.0   120     13.0    11.9   109
 ELKHART PARK G.S.        9400    13.5    13.2   102     13.2    13.0   102
 GROS VENTRE SUMMIT       8750    14.7    14.0   105     14.2    12.7   112
 GUNSIGHT PASS            9820    17.2      -M      *    16.5      -M      *
 KENDALL R.S.             7740    14.0    14.6    96     15.4    14.4   107
 LOOMIS PARK              8240    20.5    17.3   118     20.3    17.2   118
 NEW FORK LAKE            8340    12.9    11.1   116     11.6    11.1   105
 POCKET CREEK             9360    12.3      -M      *    14.1      -M      *
 SNIDER BASIN             8060    20.7    14.5   143     19.2    15.9   121
 SPRING CREEK DIVIDE      9000    34.1    26.2   130     31.5    26.1   121
 TRIPLE PEAK              8500    31.3    24.7   127     32.1    24.4   132
                                                -----                  -----
                Basin wide percent of average    117                    114


LOWER GREEN RIVER

 HAMS FORK                7840    17.0    12.3   138     15.2    12.0   127
 HEWINTA                  9519    13.3    11.6   115     16.5    14.2   116
 HICKERSON PARK           9145     8.8     7.2   122      9.9     7.7   129
 HOLE-IN-ROCK             9150     8.7     6.9   126     10.4     7.2   144
 INDIAN CREEK             9425    31.3    27.4   114     27.1    24.9   109
 KELLEY R.S.              8180    20.8    16.7   125     23.6    20.0   118
 STEEL CREEK PARK        10200    16.6    15.4   108     19.1    15.7   122
                                                -----                  -----
                Basin wide percent of average    119                    120


UPPER BEAR RIVER

 BUG LAKE                 7950      -M    20.7      *      -M    18.9      *
 HAYDEN FORK              9212    23.0    16.2   142     28.1    20.5   137
 KELLEY R.S.              8180    20.8    16.7   125     23.6    20.0   118
 LILY LAKE                9156    20.7    12.8   162     21.2    17.0   125
 MONTE CRISTO             8960    37.1    29.5   126     36.0    25.0   144
 SALT RIVER SUMMIT        7760    17.4    14.3   122     21.5    18.5   116
 TRIAL LAKE               9992    34.9    24.7   141     32.8    24.5   134
                                                -----                  -----
                Basin wide percent of average    135                    130

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


 -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.