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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 12:23p, 10/17/18
Temperature 47.6°F
Wind 6.0 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: APRIL 21 , 2011
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    25.3    15.4   164     29.6    23.5   126
 COTTONWOOD CREEK         7670    35.9    22.7   158     42.8    30.5   140
 GRAND TARGHEE            9260    58.1      -M      *    44.0      -M      *
 GRANITE CREEK            6770    25.9    15.7   165     29.0    21.6   134
 GRASSY LAKE              7265    47.2    36.3   130     49.2    39.4   125
 GROS VENTRE SUMMIT       8750    18.1    14.4   126     18.4    14.5   127
 GUNSIGHT PASS            9820    22.8      -M      *    21.2      -M      *
 LEWIS LAKE DIVIDE        7850    52.4    36.4   144     43.7    40.3   108
 PHILLIPS BENCH           8200    38.4    30.6   125     39.6    31.9   124
 SALT RIVER SUMMIT        7760    20.3    13.4   151     25.9    20.8   125
 SNAKE RIVER STATION      6920      -M    15.9      *    31.7    24.6   129
 SPRING CREEK DIVIDE      9000    42.7    28.9   148     38.3    29.1   132
 THUMB DIVIDE             7980    28.0    17.6   159     25.5    21.0   121
 TOGWOTEE PASS            9580    36.3    27.3   133     37.6    27.6   136
 TWO OCEAN PLATEAU        9240      -M    31.3      *      -M    30.7      *
 WILLOW CREEK             8380    46.2    31.9   145     49.5    35.9   138
                                                -----                  -----
                Basin wide percent of average    143                    128


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    31.8    25.7   124     30.4    22.4   136
 BLACK BEAR               8170    53.8    40.9   132     52.1    44.3   118
 CANYON                   7870    20.4    13.0   157     22.0    17.0   129
 FISHER CREEK             9100    49.1    37.6   131     46.3    40.2   115
 MADISON PLATEAU          7750    35.0    25.8   136     37.2    29.5   126
 NORTHEAST ENTRANCE       7350    16.5     9.5   174     18.7    14.1   133
 PARKER PEAK              9400    36.0    23.9   151     30.6    18.4   166
 SYLVAN LAKE              8420    30.9    24.2   128     34.5    23.5   147
 THUMB DIVIDE             7980    28.0    17.6   159     25.5    21.0   121
 TWO OCEAN PLATEAU        9240      -M    31.3      *      -M    30.7      *
 WHISKEY CREEK            6800    22.9    17.3   132     27.1    23.2   117
 WHITE MILL               8700    34.4    26.3   131     34.3    29.9   115
 WOLVERINE                7650    17.6     9.8   180     17.8    14.4   124
                                                -----                  -----
                Basin wide percent of average    139                    126


WIND RIVER

 BURROUGHS CREEK          8750    20.5    14.8   139     21.3    18.3   116
 CASTLE CREEK             8400     8.1      -M      *    10.4      -M      *
 COLD SPRINGS             9630     9.8     5.8   169     11.4    12.7    90
 DEER PARK                9700    21.5    17.9   120     25.1    25.2   100
 HOBBS PARK              10100    18.3    17.1   107     16.5    15.5   106
 LITTLE WARM              9370    15.0    12.1   124     15.7    15.6   101
 SOUTH PASS               9040    18.9    17.9   106     16.6    21.2    78
 ST. LAWRENCE ALT         8620     5.4     6.6    82      9.7    10.9    89
 TOGWOTEE PASS            9580    36.3    27.3   133     37.6    27.6   136
 TOWNSEND CREEK           8700     9.6     9.6   100     13.0    14.2    92
                                                -----                  -----
                Basin wide percent of average    120                    104


BIGHORN BASIN

 BALD MTN.                9380    29.1    22.6   129     23.8    19.9   120
 BEAR TRAP MEADOW         8200    10.9     3.7   295     11.4    10.0   114
 BLACKWATER               9780    35.3    27.4   129     33.1    23.4   141
 BONE SPRINGS DIV         9350    25.6    17.8   144     20.9    17.0   123
 EVENING STAR             9200    40.1    32.4   124     41.9    28.5   147
 GRAVE SPRINGS            8550    10.8    11.0    98     11.2    12.0    93
 KIRWIN                   9550    16.4    12.5   131     17.2    13.1   131
 MARQUETTE                8760     7.0      -M      *     9.8    12.2    80
 MIDDLE POWDER            7760    12.6    14.3    88     13.0    14.5    90
 OWL CREEK                8975     8.1     4.7   172      8.7     7.3   119
 POWDER RIVER PASS        9480    19.3    11.7   165     22.2    14.5   153
 SHELL CREEK              9580    22.0    16.3   135     19.8    15.5   128
 SYLVAN LAKE              8420    30.9    24.2   128     34.5    23.5   147
 SYLVAN ROAD              7120    18.2    10.7   170     25.7    19.5   132
 TIMBER CREEK             7950     6.6     5.2   127      7.8     9.2    85
 YOUNTS PEAK              8350    22.8    18.2   125     20.2    18.0   112
                                                -----                  -----
                Basin wide percent of average    133                    124


SHOSHONE RIVER

 BLACKWATER               9780    35.3    27.4   129     33.1    23.4   141
 EVENING STAR             9200    40.1    32.4   124     41.9    28.5   147
 KIRWIN                   9550    16.4    12.5   131     17.2    13.1   131
 MARQUETTE                8760     7.0      -M      *     9.8    12.2    80
 SYLVAN LAKE              8420    30.9    24.2   128     34.5    23.5   147
 SYLVAN ROAD              7120    18.2    10.7   170     25.7    19.5   132
 YOUNTS PEAK              8350    22.8    18.2   125     20.2    18.0   112
                                                -----                  -----
                Basin wide percent of average    131                    132


POWDER-TONGUE

 BEAR TRAP MEADOW         8200    10.9     3.7   295     11.4    10.0   114
 BIG GOOSE                7990    11.6    12.5    93     13.5    11.5   117
 BONE SPRINGS DIV         9350    25.6    17.8   144     20.9    17.0   123
 BURGESS JUNCTION         7880    13.8    13.3   104     14.7    14.2   104
 CLOUD PEAK RESERVOIR     9860    20.2    15.8   128     18.9    15.5   122
 DOME LAKE                8880    17.3    13.8   125     16.8    15.5   108
 GRAVE SPRINGS            8550    10.8    11.0    98     11.2    12.0    93
 HANSEN SAWMILL           8360     9.9     5.6   177     11.1     9.9   112
 LITTLE GOOSE             8870    13.6      -M      *    17.8      -M      *
 MIDDLE POWDER            7760    12.6    14.3    88     13.0    14.5    90
 POWDER RIVER PASS        9480    19.3    11.7   165     22.2    14.5   153
 SOLDIER PARK             8720    10.8      -M      *    11.8      -M      *
 SUCKER CREEK             8880    16.4    13.5   121     18.1    16.0   113
 TIE CREEK                6870     8.1     5.2   156     12.8    12.2   105
                                                -----                  -----
                Basin wide percent of average    128                    113


BELLE FOURCHE

 BLIND PARK               6890     9.9     6.8   146     18.8    13.0   145
 COLE CANYON              5910     7.9     6.7   118     14.6     8.2   178
 NORTH RAPID CREEK        6130     6.6     7.8    85     15.8    10.1   156
                                                -----                  -----
                Basin wide percent of average    115                    157


UPPER N. PLATTE RIVER

 CINNABAR PARK            9574    30.8    17.4   177     36.9    22.3   165
 COLUMBINE                9160    38.7    23.8   163     40.9    28.0   146
 DIVIDE PEAK              8880    30.1    20.8   145     34.7    23.1   150
 ELK RIVER                8700    28.5    18.5   154     31.9    21.9   146
 JOE WRIGHT              10120    41.9    24.4   172     43.2    28.3   153
 NORTH FRENCH CREEK      10130    58.7    33.6   175       -M    27.9      *
 OLD BATTLE              10000    53.5    35.6   150     47.0    38.1   123
 SAGE CREEK BASIN         7850    20.7    12.1   171     23.0    13.4   172
 SOUTH BRUSH CREEK        8440    23.5    12.8   184       -M    18.8      *
 TOWER                   10500    66.7    50.8   131     47.6    43.0   111
 WEBBER SPRINGS           9250    37.7    26.0   145     43.3    29.7   146
 WILLOW CREEK PASS        9540    24.3    14.1   172     21.8    14.7   148
                                                -----                  -----
                Basin wide percent of average    157                    141


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    39.6    27.5   144     38.0    25.3   150
 CASPER MTN.              7900    12.3    17.4    71     16.8    17.7    95
 DEADMAN HILL            10220    27.7    19.0   146     27.3    19.5   140
 DEER PARK                9700    21.5    17.9   120     25.1    25.2   100
 LAPRELE CREEK            8375    14.4     9.3   155     17.0    15.0   113
 RENO HILL                8400    17.6    16.0   110     20.8    18.4   113
 ROACH                    9700    25.7    18.5   139     28.8    21.1   136
 SAND LAKE               10050    46.6    35.9   130       -M    27.5      *
 SOUTH PASS               9040    18.9    17.9   106     16.6    21.2    78
 WINDY PEAK               7900    11.5     7.1   162     16.0    12.4   129
                                                -----                  -----
                Basin wide percent of average    126                    117


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      -M     7.2      *    19.8    17.7   112
 DIVIDE PEAK              8880    30.1    20.8   145     34.7    23.1   150
 OLD BATTLE              10000    53.5    35.6   150     47.0    38.1   123
 SANDSTONE RS             8150    21.4    12.4   173       -M    20.7      *
 WHISKEY PARK             8950      -M    30.6      *      -M    32.0      *
                                                -----                  -----
                Basin wide percent of average    153                    129


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    18.6    15.0   124     18.8    15.0   125
 BLIND BULL SUM           8650    42.3    28.7   147     28.2    24.3   116
 EAST RIM DIVIDE          7930    17.7    14.0   126     16.5    13.3   124
 ELKHART PARK G.S.        9400    17.2    13.9   124     17.0    15.0   113
 GROS VENTRE SUMMIT       8750    18.1    14.4   126     18.4    14.5   127
 GUNSIGHT PASS            9820    22.8      -M      *    21.2      -M      *
 KENDALL R.S.             7740    15.0    12.6   119     18.9    15.9   119
 LOOMIS PARK              8240    24.5    16.3   150     25.6    19.1   134
 NEW FORK LAKE            8340    14.8    10.6   140     13.8    12.6   110
 POCKET CREEK             9360    16.5      -M      *    17.9      -M      *
 SNIDER BASIN             8060    23.3    14.5   161     22.6    17.9   126
 SPRING CREEK DIVIDE      9000    42.7    28.9   148     38.3    29.1   132
 TRIPLE PEAK              8500    40.9    25.7   159     41.0    27.4   150
                                                -----                  -----
                Basin wide percent of average    141                    127


LOWER GREEN RIVER

 HAMS FORK                7840    16.2     8.7   186     18.0    13.9   129
 HEWINTA                  9519    15.7    11.6   135     21.3    16.8   127
 HICKERSON PARK           9145     6.4     7.7    83     12.5     9.4   133
 HOLE-IN-ROCK             9150     8.6     6.6   130     13.8     8.9   155
 INDIAN CREEK             9425    38.2    29.6   129     32.1    28.3   113
 KELLEY R.S.              8180    25.1    16.4   153     28.2    22.6   125
 STEEL CREEK PARK        10200    22.4    17.8   126     23.8    19.1   125
                                                -----                  -----
                Basin wide percent of average    135                    126


UPPER BEAR RIVER

 BUG LAKE                 7950      -M    20.9      *      -M    21.4      *
 HAYDEN FORK              9212    27.8    15.6   178     35.3    23.9   148
 KELLEY R.S.              8180    25.1    16.4   153     28.2    22.6   125
 LILY LAKE                9156    25.6    13.6   188     26.9    20.0   135
 MONTE CRISTO             8960    47.0    30.2   156     44.7    28.7   156
 SALT RIVER SUMMIT        7760    20.3    13.4   151     25.9    20.8   125
 TRIAL LAKE               9992    44.4    26.6   167     39.8    28.0   142
                                                -----                  -----
                Basin wide percent of average    164                    139

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


 -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.