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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

At 2:08a, 5/26/18
Temperature 59.9°F
Wind 0.0 mph


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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 TUESDAY: MAY 10 , 2011
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    22.9     8.7   263     33.3    25.2   132
 COTTONWOOD CREEK         7670    36.9    16.2   228     46.8    33.2   141
 GRAND TARGHEE            9260    65.9      -M      *    46.0      -M      *
 GRANITE CREEK            6770    23.7     9.7   244     32.5    23.1   141
 GRASSY LAKE              7265    46.2    29.3   158     54.6    42.2   129
 GROS VENTRE SUMMIT       8750    20.1    11.3   178     21.5    16.0   134
 GUNSIGHT PASS            9820      -M      -M      *    24.6      -M      *
 LEWIS LAKE DIVIDE        7850    56.9    31.4   181     48.8    42.8   114
 PHILLIPS BENCH           8200    43.7    26.4   166     44.9    34.2   131
 SALT RIVER SUMMIT        7760    19.1     7.1   269     27.7    22.4   124
 SNAKE RIVER STATION      6920      -M     8.2      *    35.2    26.4   133
 SPRING CREEK DIVIDE      9000    44.9    26.6   169     41.5    31.1   133
 THUMB DIVIDE             7980    28.0    11.7   239     28.4    22.9   124
 TOGWOTEE PASS            9580    41.1    28.0   147     40.4    30.2   134
 TWO OCEAN PLATEAU        9240      -M    31.4      *      -M    33.4      *
 WILLOW CREEK             8380    48.3    27.6   175     54.7    39.3   139
                                                -----                  -----
                Basin wide percent of average    185                    131


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    34.3    25.9   132     33.3    24.6   135
 BLACK BEAR               8170    56.9    38.1   149     57.9    47.3   122
 CANYON                   7870    20.6     8.6   240     24.6    18.5   133
 FISHER CREEK             9100    53.5    37.4   143     52.1    43.4   120
 MADISON PLATEAU          7750    37.3    21.5   173     41.1    31.5   130
 NORTHEAST ENTRANCE       7350    13.3     5.0   266     21.1    15.6   135
 PARKER PEAK              9400    40.1    24.4   164     34.6    20.6   168
 SYLVAN LAKE              8420    33.3    21.8   153     38.4    25.9   148
 THUMB DIVIDE             7980    28.0    11.7   239     28.4    22.9   124
 TWO OCEAN PLATEAU        9240      -M    31.4      *      -M    33.4      *
 WHISKEY CREEK            6800    22.7    12.1   188     30.6    25.1   122
 WHITE MILL               8700    37.9    25.8   147     37.9    32.4   117
 WOLVERINE                7650    14.9     4.7   317     19.5    16.1   121
                                                -----                  -----
                Basin wide percent of average    166                    130


WIND RIVER

 BURROUGHS CREEK          8750    22.4    11.4   196     24.7    20.3   122
 CASTLE CREEK             8400     2.9      -M      *    11.4      -M      *
 COLD SPRINGS             9630     8.6     4.2   205     13.7    15.0    91
 DEER PARK                9700    21.3    16.3   131     26.5    28.1    94
 HOBBS PARK              10100    18.1    17.3   105     17.7    18.3    97
 LITTLE WARM              9370    17.1     8.9   192     19.4    17.9   108
 SOUTH PASS               9040    16.7    15.7   106     17.4    23.9    73
 ST. LAWRENCE ALT         8620     1.5     4.8    31     12.3    13.2    93
 TOGWOTEE PASS            9580    41.1    28.0   147     40.4    30.2   134
 TOWNSEND CREEK           8700     5.6     7.0    80     14.0    16.7    84
                                                -----                  -----
                Basin wide percent of average    134                    101


BIGHORN BASIN

 BALD MTN.                9380    33.3    23.6   141     27.0    22.7   119
 BEAR TRAP MEADOW         8200     9.3     1.4   664     13.3    11.9   112
 BLACKWATER               9780    39.0    28.7   136     36.7    26.0   141
 BONE SPRINGS DIV         9350    28.4    17.2   165     23.8    19.6   121
 EVENING STAR             9200    42.7    33.2   129     46.4    31.2   149
 GRAVE SPRINGS            8550    11.1     9.6   116     13.4    14.2    94
 KIRWIN                   9550    17.2    12.1   142     19.1    15.3   125
 MARQUETTE                8760     8.8      -M      *    12.3    15.1    81
 MIDDLE POWDER            7760    13.8    12.4   111     14.6    16.9    86
 OWL CREEK                8975     4.0     3.1   129      9.5     9.1   104
 POWDER RIVER PASS        9480    20.3     9.2   221     25.0    17.0   147
 SHELL CREEK              9580    24.5    16.9   145     22.7    18.0   126
 SYLVAN LAKE              8420    33.3    21.8   153     38.4    25.9   148
 SYLVAN ROAD              7120    12.4     4.8   258     28.8    21.4   135
 TIMBER CREEK             7950     4.5     3.3   136     10.5    11.8    89
 YOUNTS PEAK              8350    24.5    16.8   146     23.6    19.7   120
                                                -----                  -----
                Basin wide percent of average    149                    123


SHOSHONE RIVER

 BLACKWATER               9780    39.0    28.7   136     36.7    26.0   141
 EVENING STAR             9200    42.7    33.2   129     46.4    31.2   149
 KIRWIN                   9550    17.2    12.1   142     19.1    15.3   125
 MARQUETTE                8760     8.8      -M      *    12.3    15.1    81
 SYLVAN LAKE              8420    33.3    21.8   153     38.4    25.9   148
 SYLVAN ROAD              7120    12.4     4.8   258     28.8    21.4   135
 YOUNTS PEAK              8350    24.5    16.8   146     23.6    19.7   120
                                                -----                  -----
                Basin wide percent of average    144                    133


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     9.3     1.4   664     13.3    11.9   112
 BIG GOOSE                7990    12.6    10.1   125     16.3    14.2   115
 BONE SPRINGS DIV         9350    28.4    17.2   165     23.8    19.6   121
 BURGESS JUNCTION         7880    15.4    11.7   132     17.7    16.5   107
 CLOUD PEAK RESERVOIR     9860    21.7    15.6   139     21.8    18.6   117
 DOME LAKE                8880    19.1    11.6   165     20.0    18.1   110
 GRAVE SPRINGS            8550    11.1     9.6   116     13.4    14.2    94
 HANSEN SAWMILL           8360     9.0     3.5   257     12.9    11.9   108
 LITTLE GOOSE             8870    15.2      -M      *    20.8      -M      *
 MIDDLE POWDER            7760    13.8    12.4   111     14.6    16.9    86
 POWDER RIVER PASS        9480    20.3     9.2   221     25.0    17.0   147
 SOLDIER PARK             8720    10.8      -M      *    13.9      -M      *
 SUCKER CREEK             8880    18.8    11.6   162     21.9    18.8   116
 TIE CREEK                6870     7.0     2.5   280     15.4    14.7   105
                                                -----                  -----
                Basin wide percent of average    160                    112


BELLE FOURCHE

 BLIND PARK               6890     5.8     1.6   363     22.2    15.3   145
 COLE CANYON              5910     5.0     1.7   294     17.1    10.7   160
 NORTH RAPID CREEK        6130      .9     1.3    69     17.4    12.3   141
                                                -----                  -----
                Basin wide percent of average    254                    148


UPPER N. PLATTE RIVER

 CINNABAR PARK            9574    32.0    13.4   239     42.6    24.8   172
 COLUMBINE                9160    36.6    16.3   225     44.5    30.2   147
 DIVIDE PEAK              8880    29.7    15.5   192     37.5    25.3   148
 ELK RIVER                8700    26.3    10.3   255     34.5    24.0   144
 JOE WRIGHT              10120    48.2    24.7   195     48.5    31.6   153
 NORTH FRENCH CREEK      10130    62.5    34.2   183       -M    31.3      *
 OLD BATTLE              10000    56.8    36.8   154     61.4    41.4   148
 SAGE CREEK BASIN         7850    11.2     9.0   124     24.2    14.7   165
 SOUTH BRUSH CREEK        8440    20.9     8.3   252     31.0    21.3   146
 TOWER                   10500    73.2    52.3   140       -M    46.9      *
 WEBBER SPRINGS           9250    37.9    21.2   179     46.7    32.4   144
 WILLOW CREEK PASS        9540    25.5    12.8   199     25.1    16.6   151
                                                -----                  -----
                Basin wide percent of average    181                    151


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    40.7    25.7   158     41.7    28.4   147
 CASPER MTN.              7900    10.9    14.1    77     19.2    21.0    91
 DEADMAN HILL            10220    30.4    19.1   159     31.0    22.2   140
 DEER PARK                9700    21.3    16.3   131     26.5    28.1    94
 LAPRELE CREEK            8375    11.6     4.8   242     18.8    17.6   107
 RENO HILL                8400    16.7    11.8   142     23.2    21.7   107
 ROACH                    9700    26.3    15.7   168     31.6    23.7   133
 SAND LAKE               10050    49.8    36.6   136     47.9    31.0   155
 SOUTH PASS               9040    16.7    15.7   106     17.4    23.9    73
 WINDY PEAK               7900     6.3     2.7   233     17.3    14.6   118
                                                -----                  -----
                Basin wide percent of average    142                    118


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      -M     2.0      *    22.3    19.4   115
 DIVIDE PEAK              8880    29.7    15.5   192     37.5    25.3   148
 OLD BATTLE              10000    56.8    36.8   154     61.4    41.4   148
 SANDSTONE RS             8150    20.2     5.8   348     34.1    22.9   149
 WHISKEY PARK             8950      -M    28.6      *    54.3    35.3   154
                                                -----                  -----
                Basin wide percent of average    184                    145


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    17.8    10.9   163     20.3    16.8   121
 BLIND BULL SUM           8650    45.5    26.2   174     30.8    26.1   118
 EAST RIM DIVIDE          7930    13.6    10.9   125     18.2    14.5   126
 ELKHART PARK G.S.        9400    17.7    10.9   162     18.4    16.9   109
 GROS VENTRE SUMMIT       8750    20.1    11.3   178     21.5    16.0   134
 GUNSIGHT PASS            9820      -M      -M      *    24.6      -M      *
 KENDALL R.S.             7740    12.9     6.2   208     21.6    17.2   126
 LOOMIS PARK              8240    23.6    11.5   205     28.4    20.7   137
 NEW FORK LAKE            8340    13.1     5.6   234     15.2    14.1   108
 POCKET CREEK             9360    16.1      -M      *    19.1      -M      *
 SNIDER BASIN             8060    20.5     9.7   211     24.3    19.1   127
 SPRING CREEK DIVIDE      9000    44.9    26.6   169     41.5    31.1   133
 TRIPLE PEAK              8500    41.2    19.9   207     44.5    29.7   150
                                                -----                  -----
                Basin wide percent of average    181                    128


LOWER GREEN RIVER

 HAMS FORK                7840    11.9     2.9   410     19.4    15.5   125
 HEWINTA                  9519    14.7     6.2   237     24.1    18.6   130
 HICKERSON PARK           9145     1.4     3.3    42     14.3    11.0   130
 HOLE-IN-ROCK             9150      -M     2.8      *    16.2    10.5   154
 INDIAN CREEK             9425    39.0    25.7   152     34.3    30.5   112
 KELLEY R.S.              8180    23.0    11.1   207     30.4    24.4   125
 STEEL CREEK PARK        10200    25.8    18.8   137     28.1    21.2   133
                                                -----                  -----
                Basin wide percent of average    170                    127


UPPER BEAR RIVER

 BUG LAKE                 7950    34.6    13.6   254     36.8    23.3   158
 HAYDEN FORK              9212    25.9     9.5   273     38.7    26.2   148
 KELLEY R.S.              8180    23.0    11.1   207     30.4    24.4   125
 LILY LAKE                9156    25.2     8.1   311     29.9    22.1   135
 MONTE CRISTO             8960    48.5    25.0   194     47.3    31.6   150
 SALT RIVER SUMMIT        7760    19.1     7.1   269     27.7    22.4   124
 TRIAL LAKE               9992      -M    24.9      *    43.5    30.7   142
                                                -----                  -----
                Basin wide percent of average    237                    141

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


 -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.