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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 9:18a, 8/19/18
Temperature 50.8°F
Wind 7.0 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 SUNDAY: MAY 1 , 2011
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    26.3    12.3   214     31.0    24.4   127
 COTTONWOOD CREEK         7670    37.3    19.8   188     45.2    31.9   142
 GRAND TARGHEE            9260    62.4      -M      *    45.3      -M      *
 GRANITE CREEK            6770    25.8    12.8   202     29.8    22.4   133
 GRASSY LAKE              7265    49.4    33.4   148     51.5    40.9   126
 GROS VENTRE SUMMIT       8750    18.7    13.3   141     19.1    15.3   125
 GUNSIGHT PASS            9820    23.8      -M      *    21.9      -M      *
 LEWIS LAKE DIVIDE        7850    55.1    34.6   159     44.5    41.6   107
 PHILLIPS BENCH           8200    40.4    29.4   137     41.7    33.1   126
 SALT RIVER SUMMIT        7760    21.1    10.6   199     26.8    21.6   124
 SNAKE RIVER STATION      6920      -M    12.2      *    33.1    25.5   130
 SPRING CREEK DIVIDE      9000    44.5    28.6   156     40.4    30.2   134
 THUMB DIVIDE             7980    29.4    14.9   197     26.9    22.0   122
 TOGWOTEE PASS            9580    37.8    27.9   135     39.3    29.0   136
 TWO OCEAN PLATEAU        9240      -M    31.8      *      -M    32.1      *
 WILLOW CREEK             8380    48.7    30.6   159     52.7    37.7   140
                                                -----                  -----
                Basin wide percent of average    162                    128


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    33.3    25.9   129     31.9    23.5   136
 BLACK BEAR               8170    57.9    39.9   145     54.6    45.8   119
 CANYON                   7870    21.7    11.3   192     23.3    17.7   132
 FISHER CREEK             9100    51.4    37.8   136       -M    41.9      *
 MADISON PLATEAU          7750    38.0    24.2   157     39.6    30.4   130
 NORTHEAST ENTRANCE       7350    17.2     7.1   242     19.6    14.8   132
 PARKER PEAK              9400    38.3    24.5   156       -M    19.5      *
 SYLVAN LAKE              8420    33.2    23.8   139     36.6    24.7   148
 THUMB DIVIDE             7980    29.4    14.9   197     26.9    22.0   122
 TWO OCEAN PLATEAU        9240      -M    31.8      *      -M    32.1      *
 WHISKEY CREEK            6800    24.7    15.2   163     29.3    24.2   121
 WHITE MILL               8700    36.1    26.4   137     35.7    31.2   114
 WOLVERINE                7650    17.4     7.2   242     18.5    15.2   122
                                                -----                  -----
                Basin wide percent of average    154                    127


WIND RIVER

 BURROUGHS CREEK          8750    20.7    13.6   152     21.6    19.3   112
 CASTLE CREEK             8400     7.2      -M      *    10.4      -M      *
 COLD SPRINGS             9630     9.6     4.8   200     11.5    13.9    83
 DEER PARK                9700    22.3    18.6   120     26.1    27.0    97
 HOBBS PARK              10100    19.1    18.0   106     17.0    16.9   101
 LITTLE WARM              9370    15.9    11.1   143     16.4    16.8    98
 SOUTH PASS               9040    19.7    18.0   109     17.0    22.7    75
 ST. LAWRENCE ALT         8620     3.7     6.1    61      9.7    12.1    80
 TOGWOTEE PASS            9580    37.8    27.9   135     39.3    29.0   136
 TOWNSEND CREEK           8700     9.4     9.1   103     13.6    15.5    88
                                                -----                  -----
                Basin wide percent of average    124                     99


BIGHORN BASIN

 BALD MTN.                9380    32.1    23.6   136     25.8    21.3   121
 BEAR TRAP MEADOW         8200    11.4     2.5   456     12.4    10.9   114
 BLACKWATER               9780    36.7    28.8   127     34.6    24.7   140
 BONE SPRINGS DIV         9350    28.2    18.3   154     22.6    18.3   123
 EVENING STAR             9200    41.5    33.3   125       -M    29.9      *
 GRAVE SPRINGS            8550    12.3    11.1   111     12.7    13.1    97
 KIRWIN                   9550    16.9    13.0   130     17.4    14.2   123
 MARQUETTE                8760     7.1      -M      *    10.1    13.7    74
 MIDDLE POWDER            7760    14.8    14.3   103     14.3    15.8    91
 OWL CREEK                8975     7.8     4.0   195      9.0     8.2   110
 POWDER RIVER PASS        9480    20.7    10.7   193     23.9    15.8   151
 SHELL CREEK              9580    24.4    16.8   145     21.8    16.8   130
 SYLVAN LAKE              8420    33.2    23.8   139     36.6    24.7   148
 SYLVAN ROAD              7120    18.2     8.1   225     27.0    20.5   132
 TIMBER CREEK             7950     7.0     4.8   146      8.1    10.5    77
 YOUNTS PEAK              8350    23.7    18.1   131     20.9    18.8   111
                                                -----                  -----
                Basin wide percent of average    142                    120


SHOSHONE RIVER

 BLACKWATER               9780    36.7    28.8   127     34.6    24.7   140
 EVENING STAR             9200    41.5    33.3   125       -M    29.9      *
 KIRWIN                   9550    16.9    13.0   130     17.4    14.2   123
 MARQUETTE                8760     7.1      -M      *    10.1    13.7    74
 SYLVAN LAKE              8420    33.2    23.8   139     36.6    24.7   148
 SYLVAN ROAD              7120    18.2     8.1   225     27.0    20.5   132
 YOUNTS PEAK              8350    23.7    18.1   131     20.9    18.8   111
                                                -----                  -----
                Basin wide percent of average    136                    126


POWDER-TONGUE

 BEAR TRAP MEADOW         8200    11.4     2.5   456     12.4    10.9   114
 BIG GOOSE                7990    13.1    11.6   113     15.2    12.9   118
 BONE SPRINGS DIV         9350    28.2    18.3   154     22.6    18.3   123
 BURGESS JUNCTION         7880    15.9    13.3   120     16.6    15.4   108
 CLOUD PEAK RESERVOIR     9860    22.0    16.2   136     20.5    17.1   120
 DOME LAKE                8880    19.4    13.5   144     18.9    16.8   113
 GRAVE SPRINGS            8550    12.3    11.1   111     12.7    13.1    97
 HANSEN SAWMILL           8360    10.5     4.9   214     12.0    11.0   109
 LITTLE GOOSE             8870    15.5      -M      *    19.6      -M      *
 MIDDLE POWDER            7760    14.8    14.3   103     14.3    15.8    91
 POWDER RIVER PASS        9480    20.7    10.7   193     23.9    15.8   151
 SOLDIER PARK             8720    11.8      -M      *    13.0      -M      *
 SUCKER CREEK             8880    18.9    13.1   144     20.8    17.4   120
 TIE CREEK                6870     8.8     3.9   226     14.5    13.5   107
                                                -----                  -----
                Basin wide percent of average    147                    115


BELLE FOURCHE

 BLIND PARK               6890      -M     4.0      *    21.6    14.2   152
 COLE CANYON              5910     9.2     5.0   184     16.4     9.5   173
 NORTH RAPID CREEK        6130     6.2     3.8   163     16.9    11.4   148
                                                -----                  -----
                Basin wide percent of average    175                    156


UPPER N. PLATTE RIVER

 CINNABAR PARK            9574    30.7    16.0   192     36.9    23.6   156
 COLUMBINE                9160    40.5    20.9   194     44.2    29.2   151
 DIVIDE PEAK              8880    31.8    19.3   165     36.6    24.3   151
 ELK RIVER                8700    30.5    15.0   203     34.0    23.0   148
 JOE WRIGHT              10120    48.0    25.1   191     48.2    30.1   160
 NORTH FRENCH CREEK      10130      -M    34.5      *    59.0    29.7   199
 OLD BATTLE              10000    56.7    36.9   154     47.3    39.9   119
 SAGE CREEK BASIN         7850    19.4    11.2   173     23.9    14.1   170
 SOUTH BRUSH CREEK        8440    25.2    11.1   227     30.5    20.1   152
 TOWER                   10500    72.6    52.2   139     47.7    45.1   106
 WEBBER SPRINGS           9250    39.4    25.1   157     46.1    31.1   148
 WILLOW CREEK PASS        9540    27.0    14.2   190     24.7    15.7   157
                                                -----                  -----
                Basin wide percent of average    171                    147


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    42.0    28.2   149     38.0    27.0   141
 CASPER MTN.              7900    13.6    17.1    80     18.6    19.5    95
 DEADMAN HILL            10220    31.2    19.7   158     30.5    21.0   145
 DEER PARK                9700    22.3    18.6   120     26.1    27.0    97
 LAPRELE CREEK            8375    14.9     7.1   210     18.0    16.5   109
 RENO HILL                8400    18.7    14.7   127     22.2    20.2   110
 ROACH                    9700    28.2    18.5   152     31.3    22.4   140
 SAND LAKE               10050    49.4    37.0   134       -M    29.3      *
 SOUTH PASS               9040    19.7    18.0   109     17.0    22.7    75
 WINDY PEAK               7900    10.0     4.9   204     16.6    13.5   123
                                                -----                  -----
                Basin wide percent of average    136                    115


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      -M     4.6      *    21.6    18.6   116
 DIVIDE PEAK              8880    31.8    19.3   165     36.6    24.3   151
 OLD BATTLE              10000    56.7    36.9   154     47.3    39.9   119
 SANDSTONE RS             8150    23.1     9.5   243     33.6    21.9   153
 WHISKEY PARK             8950      -M    30.5      *    53.5    33.8   158
                                                -----                  -----
                Basin wide percent of average    170                    139


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    19.5    13.5   144     19.6    15.9   123
 BLIND BULL SUM           8650    43.7    27.9   157     28.8    25.2   114
 EAST RIM DIVIDE          7930    17.4    13.2   132     16.7    13.9   120
 ELKHART PARK G.S.        9400    17.9    12.8   140     17.4    16.0   109
 GROS VENTRE SUMMIT       8750    18.7    13.3   141     19.1    15.3   125
 GUNSIGHT PASS            9820    23.8      -M      *    21.9      -M      *
 KENDALL R.S.             7740    14.5    10.0   145     19.6    16.6   118
 LOOMIS PARK              8240    25.3    14.3   177     26.6    19.9   134
 NEW FORK LAKE            8340    15.1     8.4   180     14.1    13.4   105
 POCKET CREEK             9360    17.2      -M      *    18.6      -M      *
 SNIDER BASIN             8060    24.4    12.6   194     23.1    18.5   125
 SPRING CREEK DIVIDE      9000    44.5    28.6   156     40.4    30.2   134
 TRIPLE PEAK              8500    42.2    23.7   178     42.9    28.6   150
                                                -----                  -----
                Basin wide percent of average    159                    126


LOWER GREEN RIVER

 HAMS FORK                7840    17.9     6.0   298     19.0    14.7   129
 HEWINTA                  9519    17.5     9.3   188     23.0    17.8   129
 HICKERSON PARK           9145     4.3     5.7    75     12.7    10.2   125
 HOLE-IN-ROCK             9150     9.2     4.7   196     14.7     9.7   152
 INDIAN CREEK             9425    40.4    28.3   143     33.6    29.5   114
 KELLEY R.S.              8180    26.5    14.1   188     29.7    23.6   126
 STEEL CREEK PARK        10200    24.9    18.7   133     27.0    20.2   134
                                                -----                  -----
                Basin wide percent of average    162                    127


UPPER BEAR RIVER

 BUG LAKE                 7950      -M    18.0      *      -M    22.4      *
 HAYDEN FORK              9212      -M    13.0      *    37.9    25.1   151
 KELLEY R.S.              8180    26.5    14.1   188     29.7    23.6   126
 LILY LAKE                9156    27.6    11.1   249     28.9    21.1   137
 MONTE CRISTO             8960    48.8    28.3   172     46.7    30.3   154
 SALT RIVER SUMMIT        7760    21.1    10.6   199     26.8    21.6   124
 TRIAL LAKE               9992    47.3    26.5   178     42.4    29.4   144
                                                -----                  -----
                Basin wide percent of average    189                    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.