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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 1:03a, 5/21/18
Temperature 47.0°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 THURSDAY: MAY 26 , 2011
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    12.2     1.4   871*    35.5    26.6   133
 COTTONWOOD CREEK         7670    30.0     8.3   361     49.2    35.2   140
 GRAND TARGHEE            9260    71.0      -M      *      -M      -M      *
 GRANITE CREEK            6770    14.7     3.4   432     33.5    24.4   137
 GRASSY LAKE              7265    36.2    19.0   191     56.2    44.3   127
 GROS VENTRE SUMMIT       8750    17.1     6.0   285     23.1    17.2   134
 GUNSIGHT PASS            9820      -M      -M      *    27.2      -M      *
 LEWIS LAKE DIVIDE        7850    46.3    22.3   208     49.9    44.7   112
 PHILLIPS BENCH           8200    38.1    17.8   214     47.2    36.0   131
 SALT RIVER SUMMIT        7760    10.3      .0      *    28.8    23.7   122
 SNAKE RIVER STATION      6920      -M      .0      *    36.3    27.9   130
 SPRING CREEK DIVIDE      9000    42.5    18.9   225     43.0    32.6   132
 THUMB DIVIDE             7980    16.1     4.8   335     29.6    24.3   122
 TOGWOTEE PASS            9580    41.5    24.4   170     44.7    32.1   139
 TWO OCEAN PLATEAU        9240    53.2    27.7   192     44.2    35.6   124
 WILLOW CREEK             8380    42.0    18.6   226     57.6    41.8   138
                                                -----                  -----
                Basin wide percent of average    232                    130


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    32.1    22.9   140     35.5    26.4   134
 BLACK BEAR               8170    50.8    30.9   164     60.2    49.5   122
 CANYON                   7870    13.2     3.1   426     25.4    20.0   127
 FISHER CREEK             9100    52.6    32.7   161     54.7    45.8   119
 MADISON PLATEAU          7750    28.9    13.0   222     42.9    33.5   128
 NORTHEAST ENTRANCE       7350      .9      .8   113*    22.5    17.0   132
 PARKER PEAK              9400    39.1    21.1   185     40.0    22.5   178
 SYLVAN LAKE              8420    28.0    15.0   187     39.9    28.2   141
 THUMB DIVIDE             7980    16.1     4.8   335     29.6    24.3   122
 TWO OCEAN PLATEAU        9240    53.2    27.7   192     44.2    35.6   124
 WHISKEY CREEK            6800    12.1     3.9   310     32.1    26.7   120
 WHITE MILL               8700    34.8    20.9   167     39.6    34.5   115
 WOLVERINE                7650     3.3      .4   825*    21.1    17.8   119
                                                -----                  -----
                Basin wide percent of average    185                    128


WIND RIVER

 BURROUGHS CREEK          8750    20.3     6.0   338     27.3    22.0   124
 CASTLE CREEK             8400      .0      -M      *    13.8      -M      *
 COLD SPRINGS             9630    10.2     1.2   850     18.2    16.5   110
 DEER PARK                9700    23.4    12.7   184     31.6    30.3   104
 HOBBS PARK              10100    24.4    12.8   191     25.3    20.3   125
 LITTLE WARM              9370    15.8     3.5   451     21.0    19.5   108
 SOUTH PASS               9040    19.4     8.8   220     23.6    25.5    93
 ST. LAWRENCE ALT         8620     1.8     1.0   180     17.6    14.7   120
 TOGWOTEE PASS            9580    41.5    24.4   170     44.7    32.1   139
 TOWNSEND CREEK           8700     7.4     2.6   285     20.1    18.3   110
                                                -----                  -----
                Basin wide percent of average    225                    115


BIGHORN BASIN

 BALD MTN.                9380    39.2    19.5   201     32.4    24.7   131
 BEAR TRAP MEADOW         8200     8.2      .1  8200*    17.9    13.6   132
 BLACKWATER               9780    40.5    27.3   148     39.5    28.1   141
 BONE SPRINGS DIV         9350    32.4    11.8   275     28.4    21.6   131
 EVENING STAR             9200    40.4    29.1   139     48.9    33.5   146
 GRAVE SPRINGS            8550    12.6     2.8   450     19.1    15.6   122
 KIRWIN                   9550    18.5     7.8   237     23.1    16.9   137
 MARQUETTE                8760    13.3      -M      *    18.9    17.3   109
 MIDDLE POWDER            7760    13.1     5.5   238     20.5    18.6   110
 OWL CREEK                8975     2.4     1.0   240     13.4    10.6   126
 POWDER RIVER PASS        9480    22.3     3.9   572     28.9    18.9   153
 SHELL CREEK              9580    27.7    13.1   211     27.5    19.9   138
 SYLVAN LAKE              8420    28.0    15.0   187     39.9    28.2   141
 SYLVAN ROAD              7120      .0      .3     0*    29.7    22.8   130
 TIMBER CREEK             7950     3.3     1.1   300     14.9    13.7   109
 YOUNTS PEAK              8350    20.6    10.3   200     24.6    21.5   114
                                                -----                  -----
                Basin wide percent of average    208                    131


SHOSHONE RIVER

 BLACKWATER               9780    40.5    27.3   148     39.5    28.1   141
 EVENING STAR             9200    40.4    29.1   139     48.9    33.5   146
 KIRWIN                   9550    18.5     7.8   237     23.1    16.9   137
 MARQUETTE                8760    13.3      -M      *    18.9    17.3   109
 SYLVAN LAKE              8420    28.0    15.0   187     39.9    28.2   141
 SYLVAN ROAD              7120      .0      .3     0*    29.7    22.8   130
 YOUNTS PEAK              8350    20.6    10.3   200     24.6    21.5   114
                                                -----                  -----
                Basin wide percent of average    165                    133


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     8.2      .1  8200*    17.9    13.6   132
 BIG GOOSE                7990    13.8     5.8   238     22.9    15.9   144
 BONE SPRINGS DIV         9350    32.4    11.8   275     28.4    21.6   131
 BURGESS JUNCTION         7880    15.7     5.5   285     24.5    18.0   136
 CLOUD PEAK RESERVOIR     9860    25.8    10.9   237     27.7    20.9   133
 DOME LAKE                8880    20.4     5.3   385     25.2    20.0   126
 GRAVE SPRINGS            8550    12.6     2.8   450     19.1    15.6   122
 HANSEN SAWMILL           8360     7.6      .6  1267*    17.4    13.5   129
 LITTLE GOOSE             8870    17.8      -M      *    26.7      -M      *
 MIDDLE POWDER            7760    13.1     5.5   238     20.5    18.6   110
 POWDER RIVER PASS        9480    22.3     3.9   572     28.9    18.9   153
 SOLDIER PARK             8720    10.2      -M      *    18.2      -M      *
 SUCKER CREEK             8880    23.6     6.0   393     30.1    20.9   144
 TIE CREEK                6870     4.0      .0      *    23.3    16.6   140
                                                -----                  -----
                Basin wide percent of average    343                    134


BELLE FOURCHE

 BLIND PARK               6890      .0      .0   100*    27.2    17.2   158
 COLE CANYON              5910      .0      .0   100*    23.3    12.3   189
 NORTH RAPID CREEK        6130      .0      .0   100*    23.3    13.6   171
                                                -----                  -----
                Basin wide percent of average       *                   171


UPPER N. PLATTE RIVER

 CINNABAR PARK            9574    28.5     4.3   663     46.1    26.4   175
 COLUMBINE                9160    29.8     5.2   573     48.2    31.8   152
 DIVIDE PEAK              8880    26.4     6.5   406     40.8    27.0   151
 ELK RIVER                8700    19.2     2.7   711     37.1    25.5   145
 JOE WRIGHT              10120    52.3    20.2   259     52.9    34.1   155
 NORTH FRENCH CREEK      10130    64.8    28.1   231       -M    33.6      *
 OLD BATTLE              10000    59.4    29.9   199     65.8    43.6   151
 SAGE CREEK BASIN         7850      .0     3.8     0     25.7    15.6   165
 SOUTH BRUSH CREEK        8440    15.4     3.0   513     33.5    23.1   145
 TOWER                   10500    79.3    47.1   168     69.8    49.3   142
 WEBBER SPRINGS           9250    32.5    10.4   313     50.1    34.1   147
 WILLOW CREEK PASS        9540    25.9     5.9   439     28.8    18.2   158
                                                -----                  -----
                Basin wide percent of average    259                    152


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240      -M    15.9      *    46.5    30.5   152
 CASPER MTN.              7900     6.9     6.4   108     22.7    23.3    97
 DEADMAN HILL            10220    32.0    14.1   227     34.6    24.1   144
 DEER PARK                9700    23.4    12.7   184     31.6    30.3   104
 LAPRELE CREEK            8375     6.5     1.5   433     21.5    19.5   110
 RENO HILL                8400    14.3     5.2   275     26.3    24.1   109
 ROACH                    9700    25.6     8.4   305     35.2    25.8   136
 SAND LAKE               10050    53.1    30.3   175     52.3    33.5   156
 SOUTH PASS               9040    19.4     8.8   220     23.6    25.5    93
 WINDY PEAK               7900      .2      .4    50*    19.3    16.4   118
                                                -----                  -----
                Basin wide percent of average    207                    124


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      -M      .0      *    25.1    20.6   122
 DIVIDE PEAK              8880    26.4     6.5   406     40.8    27.0   151
 OLD BATTLE              10000    59.4    29.9   199     65.8    43.6   151
 SANDSTONE RS             8150    11.5      .9  1278*    36.7    24.3   151
 WHISKEY PARK             8950      -M    18.8      *    58.1    37.2   156
                                                -----                  -----
                Basin wide percent of average    261*                   148


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    13.0     4.3   302     22.1    18.1   122
 BLIND BULL SUM           8650    43.6    20.8   210     31.5    27.6   114
 EAST RIM DIVIDE          7930      .7     4.4    16     19.1    15.7   122
 ELKHART PARK G.S.        9400    13.8     5.6   246     19.5    18.5   105
 GROS VENTRE SUMMIT       8750    17.1     6.0   285     23.1    17.2   134
 GUNSIGHT PASS            9820      -M      -M      *    27.2      -M      *
 KENDALL R.S.             7740     4.4      .0      *    22.8    18.2   125
 LOOMIS PARK              8240    15.0     5.1   294     29.9    22.1   135
 NEW FORK LAKE            8340     4.9      .0      *    16.4    15.4   106
 POCKET CREEK             9360    13.4      -M      *    21.0      -M      *
 SNIDER BASIN             8060    11.6     2.5   464     25.6    20.1   127
 SPRING CREEK DIVIDE      9000    42.5    18.9   225     43.0    32.6   132
 TRIPLE PEAK              8500    33.0     9.5   347     45.7    31.4   146
                                                -----                  -----
                Basin wide percent of average    259                    126


LOWER GREEN RIVER

 HAMS FORK                7840     2.2      .0      *    22.3    16.6   134
 HEWINTA                  9519    11.8     1.4   843     27.2    19.9   137
 HICKERSON PARK           9145      .0      .3     0*    17.1    12.2   140
 HOLE-IN-ROCK             9150      .4      .3   133*    19.1    11.8   162
 INDIAN CREEK             9425    38.2    18.2   210     36.7    32.0   115
 KELLEY R.S.              8180    17.3     4.2   412     32.4    25.8   126
 STEEL CREEK PARK        10200    28.8    14.5   199     31.7    22.7   140
                                                -----                  -----
                Basin wide percent of average    254                    132


UPPER BEAR RIVER

 BUG LAKE                 7950    30.7     5.0   614     40.0    24.7   162
 HAYDEN FORK              9212    18.7     3.0   623     41.7    27.9   149
 KELLEY R.S.              8180    17.3     4.2   412     32.4    25.8   126
 LILY LAKE                9156    22.7     2.8   811     33.0    23.6   140
 MONTE CRISTO             8960    47.9    16.4   292     51.4    33.5   153
 SALT RIVER SUMMIT        7760    10.3      .0      *    28.8    23.7   122
 TRIAL LAKE               9992    52.0    18.0   289     46.9    32.7   143
                                                -----                  -----
                Basin wide percent of average    404                    143

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


 -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.