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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: FEBRUARY 27 , 2012
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    17.8    15.7   113     21.1    18.2   116
 COTTONWOOD CREEK         7670    16.8    17.9    94     21.7    22.5    96
 EAST RIM DIVIDE          7930     9.9    10.8    92     10.3    10.0   103
 GRAND TARGHEE            9260    29.2      -M      *    23.8      -M      *
 GRANITE CREEK            6770    14.4    15.7    92     14.9    17.1    87
 GRASSY LAKE              7265    26.8    28.9    93     30.4    30.4   100
 GROS VENTRE SUMMIT       8750     8.2    11.2    73      8.6    10.5    82
 GUNSIGHT PASS            9820    10.1      -M      *    10.8      -M      *
 LEWIS LAKE DIVIDE        7850    25.3    29.0    87     28.7    30.8    93
 PHILLIPS BENCH           8200    19.7    23.4    84     21.4    24.1    89
 SALT RIVER SUMMIT        7760     9.6    11.9    81     10.2    15.5    66
 SNAKE RIVER STATION      6920    16.3    16.2   101     21.2    19.1   111
 SPRING CREEK DIVIDE      9000    20.1    21.7    93     20.0    22.1    90
 THUMB DIVIDE             7980    12.4    15.0    83     13.5    15.7    86
 TOGWOTEE PASS            9580    18.1    20.3    89     19.8    20.3    98
 TWO OCEAN PLATEAU        9240    27.7    22.9   121     21.6    22.9    94
 WILLOW CREEK             8380    21.9    24.9    88     26.9    26.5   102
                                                -----                  -----
                Basin wide percent of average     93                     95


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    20.3    19.5   104     19.9    16.8   118
 BLACK BEAR               8170    28.0    32.4    86     28.7    32.5    88
 CANYON                   7870    10.2    11.2    91     11.6    12.8    91
 FISHER CREEK             9100    27.7    29.1    95     27.1    30.0    90
 MADISON PLATEAU          7750    17.0    20.4    83     20.8    21.6    96
 NORTHEAST ENTRANCE       7350     9.0     9.6    94     10.6    10.6   100
 PARKER PEAK              9400    18.6    18.0   103     18.3    13.4   137
 SYLVAN LAKE              8420    15.1    18.6    81     20.1    17.6   114
 THUMB DIVIDE             7980    12.4    15.0    83     13.5    15.7    86
 TWO OCEAN PLATEAU        9240    27.7    22.9   121     21.6    22.9    94
 WHISKEY CREEK            6800    11.9    14.1    84     15.1    17.0    89
 WHITE MILL               8700    18.2    19.9    91     19.1    22.2    86
 WOLVERINE                7650    11.9    10.5   113     11.1    11.0   101
                                                -----                  -----
                Basin wide percent of average     95                     97


WIND RIVER

 BURROUGHS CREEK          8750    12.5    12.6    99     12.7    13.4    95
 CASTLE CREEK             8400     6.7      -M      *     7.4      -M      *
 COLD SPRINGS             9630     7.0     7.2    97      8.0     8.3    96
 DEER PARK                9700     9.8    14.5    68     15.0    17.5    86
 HOBBS PARK              10100    12.4    11.8   105     11.5     9.7   119
 LITTLE WARM              9370     6.9     9.4    73      8.9    10.7    83
 SOUTH PASS               9040    12.0    13.9    86     11.7    14.7    80
 ST. LAWRENCE ALT         8620     4.6     5.9    78      6.6     6.9    96
 TOGWOTEE PASS            9580    18.1    20.3    89     19.8    20.3    98
 TOWNSEND CREEK           8700     7.5     6.9   109     10.1     8.7   116
                                                -----                  -----
                Basin wide percent of average     89                     95


BIGHORN BASIN

 BALD MTN.                9380    18.1    15.8   115     13.1    13.8    95
 BEAR TRAP MEADOW         8200     7.0     4.3   163      7.2     6.3   114
 BLACKWATER               9780    20.8    20.2   103     20.5    16.9   121
 BONE SPRINGS DIV         9350    17.7    13.0   136     13.6    11.4   119
 EVENING STAR             9200    23.9    24.7    97     26.1    21.4   122
 GRAVE SPRINGS            8550     7.1     7.2    99      8.5     7.6   112
 KIRWIN                   9550    10.5     9.1   115     12.4     9.0   138
 MARQUETTE                8760     8.3      -M      *    11.0     7.4   149
 MIDDLE POWDER            7760     9.0     8.9   101      9.4     9.4   100
 OWL CREEK                8975     3.8     4.1    93      4.6     4.3   107
 POWDER RIVER PASS        9480    10.7     8.7   123     12.5     9.8   128
 SHELL CREEK              9580    15.9    11.7   136     13.9    10.6   131
 SYLVAN LAKE              8420    15.1    18.6    81     20.1    17.6   114
 SYLVAN ROAD              7120    11.7    11.3   104     15.3    15.4    99
 TIMBER CREEK             7950     4.4     4.2   105      8.0     5.3   151
 YOUNTS PEAK              8350    14.4    14.5    99     13.8    13.4   103
                                                -----                  -----
                Basin wide percent of average    108                    117


SHOSHONE RIVER

 BLACKWATER               9780    20.8    20.2   103     20.5    16.9   121
 EVENING STAR             9200    23.9    24.7    97     26.1    21.4   122
 KIRWIN                   9550    10.5     9.1   115     12.4     9.0   138
 MARQUETTE                8760     8.3      -M      *    11.0     7.4   149
 SYLVAN LAKE              8420    15.1    18.6    81     20.1    17.6   114
 SYLVAN ROAD              7120    11.7    11.3   104     15.3    15.4    99
 YOUNTS PEAK              8350    14.4    14.5    99     13.8    13.4   103
                                                -----                  -----
                Basin wide percent of average     98                    118


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     7.0     4.3   163      7.2     6.3   114
 BIG GOOSE                7990     8.9     7.5   119     12.5     6.6   189
 BONE SPRINGS DIV         9350    17.7    13.0   136     13.6    11.4   119
 BURGESS JUNCTION         7880    11.2     8.9   126     13.1     9.3   141
 CLOUD PEAK RESERVOIR     9860    14.4     9.9   145     13.1     9.6   136
 DOME LAKE                8880    12.8     9.5   135     13.3    10.0   133
 GRAVE SPRINGS            8550     7.1     7.2    99      8.5     7.6   112
 HANSEN SAWMILL           8360     5.2     5.1   102      7.2     6.2   116
 LITTLE GOOSE             8870     9.9      -M      *    14.4      -M      *
 MIDDLE POWDER            7760     9.0     8.9   101      9.4     9.4   100
 POWDER RIVER PASS        9480    10.7     8.7   123     12.5     9.8   128
 SOLDIER PARK             8720    11.5      -M      *     8.7      -M      *
 SUCKER CREEK             8880    13.1     9.0   146     13.6    10.3   132
 TIE CREEK                6870     6.8     4.9   139     12.7     7.8   163
                                                -----                  -----
                Basin wide percent of average    128                    131


BELLE FOURCHE

 BLIND PARK               6890     8.2     7.0   117      9.1     9.1   100
 COLE CANYON              5910     6.1     5.6   109      7.5     5.4   139
 NORTH RAPID CREEK        6130     7.4     6.6   112      7.1     7.3    97
                                                -----                  -----
                Basin wide percent of average    113                    109


UPPER N. PLATTE RIVER

 BLACKHALL MTN            9820    19.2      -M      *    20.6      -M      *
 CINNABAR PARK            9574    14.9    15.8    94     18.4    17.0   108
 COLUMBINE                9160    16.2    21.4    76     16.8    20.4    82
 DIVIDE PEAK              8880    12.5    15.3    82     16.5    16.7    99
 ELK RIVER                8700    12.7    15.7    81     13.1    15.7    83
 JOE WRIGHT              10120    12.0    16.9    71     17.0    19.7    86
 NORTH FRENCH CREEK      10130    17.9    22.1    81     17.7    19.8    89
 OLD BATTLE              10000    19.5    25.6    76     22.8    27.8    82
 SAGE CREEK BASIN         7850    12.8     8.9   144      9.2     9.7    95
 SOUTH BRUSH CREEK        8440     7.5     9.7    77     10.3    13.1    79
 TOWER                   10500    25.3    36.8    69     26.2    31.3    84
 WEBBER SPRINGS           9250    15.0    20.7    72     18.6    21.6    86
 WILLOW CREEK PASS        9540      -M     9.4      *     8.1    10.1    80
                                                -----                  -----
                Basin wide percent of average     80                     87


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    16.0    18.6    86     17.2    17.1   101
 CASPER MTN.              7900    17.3    11.1   156     17.0    10.8   157
 DEADMAN HILL            10220    15.1    12.7   119     14.2    13.0   109
 DEER PARK                9700     9.8    14.5    68     15.0    17.5    86
 LAPRELE CREEK            8375     8.5     8.7    98     11.1     9.8   113
 RENO HILL                8400    14.7    10.1   146     16.1    11.3   142
 ROACH                    9700    11.9    13.6    88     14.8    14.5   102
 SAND LAKE               10050    21.1    24.5    86     20.7    18.9   110
 SOUTH PASS               9040    12.0    13.9    86     11.7    14.7    80
 WINDY PEAK               7900     6.7     5.8   116      8.6     8.3   104
                                                -----                  -----
                Basin wide percent of average    100                    108


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440    10.1     9.4   107     10.1    12.1    83
 DIVIDE PEAK              8880    12.5    15.3    82     16.5    16.7    99
 OLD BATTLE              10000    19.5    25.6    76     22.8    27.8    82
 SANDSTONE RS             8150     9.7    12.2    80     10.7    15.3    70
 WHISKEY PARK             8950    17.9    23.2    77     21.1    23.0    92
                                                -----                  -----
                Basin wide percent of average     81                     86


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    11.2    11.9    94     11.2    11.1   101
 BLIND BULL SUM           8650    19.6    22.5    87     15.3    18.7    82
 EAST RIM DIVIDE          7930     9.9    10.8    92     10.3    10.0   103
 ELKHART PARK G.S.        9400    11.1    10.9   102     12.2    10.7   114
 GROS VENTRE SUMMIT       8750     8.2    11.2    73      8.6    10.5    82
 GUNSIGHT PASS            9820    10.1      -M      *    10.8      -M      *
 KENDALL R.S.             7740    13.3    12.1   110     13.8    12.2   113
 LOOMIS PARK              8240    12.4    14.1    88     14.5    14.5   100
 NEW FORK LAKE            8340    10.1     9.4   107      9.5     9.4   101
 POCKET CREEK             9360     8.5      -M      *    10.5      -M      *
 SNIDER BASIN             8060    11.4    12.2    93     11.5    13.5    85
 SPRING CREEK DIVIDE      9000    20.1    21.7    93     20.0    22.1    90
 TRIPLE PEAK              8500    20.0    20.4    98     22.5    20.2   111
                                                -----                  -----
                Basin wide percent of average     94                     98


LOWER GREEN RIVER

 HAMS FORK                7840     8.9    10.7    83      8.2    10.2    80
 HEWINTA                  9519     7.3     8.8    83     10.3    11.4    90
 HICKERSON PARK           9145     7.8     5.7   137     10.4     6.1   170
 HOLE-IN-ROCK             9150     6.9     5.6   123     10.1     5.7   177
 INDIAN CREEK             9425    17.1    21.7    79     15.3    20.7    74
 KELLEY R.S.              8180    11.4    13.6    84     13.2    16.9    78
 STEEL CREEK PARK        10200     3.8    12.3    31     11.6    12.6    92
                                                -----                  -----
                Basin wide percent of average     81                     95


UPPER BEAR RIVER

 BUG LAKE                 7950    11.9    16.7    71     13.1    15.8    83
 HAYDEN FORK              9212     9.5    12.8    74     14.3    16.7    86
 KELLEY R.S.              8180    11.4    13.6    84     13.2    16.9    78
 LILY LAKE                9156     7.9    10.6    75      9.6    14.0    69
 MONTE CRISTO             8960    15.1    24.1    63     15.6    20.7    75
 SALT RIVER SUMMIT        7760     9.6    11.9    81     10.2    15.5    66
 TRIAL LAKE               9992    11.1    20.1    55     11.2    20.0    56
                                                -----                  -----
                Basin wide percent of average     70                     73

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


 -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.