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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 6:23p, 5/21/18
Temperature 63.0°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 SUNDAY: MAY 11 , 2008
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    14.4     8.3   173     30.9    25.2   123
 COTTONWOOD CREEK         7670    21.9    15.8   139     29.6    33.4    89
 GRAND TARGHEE            9260    57.2      -M      *    40.1      -M      *
 GRANITE CREEK            6770    14.0     9.4   149     25.5    23.2   110
 GRASSY LAKE              7265      -M    28.8      *    49.0    42.3   116
 GROS VENTRE SUMMIT       8750    12.4    11.0   113     16.7    16.1   104
 GUNSIGHT PASS            9820    13.2      -M      *    17.7      -M      *
 LEWIS LAKE DIVIDE        7850    39.2    30.9   127     41.8    43.0    97
 PHILLIPS BENCH           8200    31.9    26.0   123     39.0    34.3   114
 SALT RIVER SUMMIT        7760    10.3     6.7   154     18.6    22.5    83
 SNAKE RIVER STATION      6920    14.4     7.7   187     31.2    26.5   118
 SPRING CREEK DIVIDE      9000    23.5    26.2    90     27.2    31.2    87
 THUMB DIVIDE             7980    14.9    11.3   132     23.5    23.0   102
 TOGWOTEE PASS            9580    30.8    27.9   110     34.8    30.3   115
 TWO OCEAN PLATEAU        9240      -M    31.2      *      -M    33.5      *
 WILLOW CREEK             8380    30.3    27.2   111     45.4    39.5   115
                                                -----                  -----
                Basin wide percent of average    124                    106


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    28.9    25.9   112     27.9    24.7   113
 BLACK BEAR               8170      -M    37.8      *    48.3    47.4   102
 CANYON                   7870    16.5     8.3   199     23.9    18.6   128
 FISHER CREEK             9100    47.5    37.5   127     44.5    43.5   102
 MADISON PLATEAU          7750    30.7    21.2   145     36.9    31.6   117
 NORTHEAST ENTRANCE       7350     5.8     4.7   123     16.1    15.7   103
 PARKER PEAK              9400    32.1    24.3   132       -M    20.7      *
 SYLVAN LAKE              8420    21.2    21.6    98     31.0    26.0   119
 THUMB DIVIDE             7980    14.9    11.3   132     23.5    23.0   102
 TWO OCEAN PLATEAU        9240      -M    31.2      *      -M    33.5      *
 WHISKEY CREEK            6800    19.0    11.7   162     28.6    25.2   113
 WHITE MILL               8700    32.0    25.7   125     31.9    32.6    98
 WOLVERINE                7650     6.2     4.5   138     16.7    16.2   103
                                                -----                  -----
                Basin wide percent of average    130                    108


WIND RIVER

 BURROUGHS CREEK          8750    16.0    11.2   143     21.2    20.4   104
 COLD SPRINGS             9630     1.0     4.1    24     12.5    15.1    83
 DEER PARK                9700    15.8    16.8    94     24.1    28.2    85
 HOBBS PARK              10100    16.6    17.4    95     18.8    18.4   102
 LITTLE WARM              9370     8.9     8.7   102     17.4    18.0    97
 SOUTH PASS               9040    13.9    15.5    90     21.0    24.1    87
 ST. LAWRENCE ALT         8620     2.4     4.7    51     10.6    13.3    80
 TOGWOTEE PASS            9580    30.8    27.9   110     34.8    30.3   115
 TOWNSEND CREEK           8700     6.8     6.8   100     15.4    16.8    92
                                                -----                  -----
                Basin wide percent of average     99                     95


BIGHORN BASIN

 BALD MTN.                9380    20.2    23.5    86     19.4    22.8    85
 BEAR TRAP MEADOW         8200     5.3     1.3   408     12.5    12.0   104
 BLACKWATER               9780    30.3    28.7   106     28.7    26.1   110
 BONE SPRINGS DIV         9350    21.2    17.1   124     22.3    19.7   113
 EVENING STAR             9200    32.5    33.0    98     39.4    31.4   125
 GRAVE SPRINGS            8550    11.8     9.4   126     14.1    14.3    99
 KIRWIN                   9550    12.8    12.0   107     17.2    15.4   112
 MARQUETTE                8760     9.5     9.8    97     14.0    15.2    92
 MIDDLE POWDER            7760    15.6    12.1   129     14.1    17.0    83
 OWL CREEK                8975      .1     3.0     3      8.7     9.1    96
 POWDER RIVER PASS        9480    12.7     9.0   141     18.5    17.1   108
 SHELL CREEK              9580    19.1    16.8   114     19.9    18.1   110
 SYLVAN LAKE              8420    21.2    21.6    98     31.0    26.0   119
 SYLVAN ROAD              7120     5.4     4.1   132     23.7    21.5   110
 TIMBER CREEK             7950     3.5     3.0   117     11.4    11.9    96
 YOUNTS PEAK              8350    17.5    16.6   105     19.9    19.8   101
                                                -----                  -----
                Basin wide percent of average    108                    106


SHOSHONE RIVER

 BLACKWATER               9780    30.3    28.7   106     28.7    26.1   110
 EVENING STAR             9200    32.5    33.0    98     39.4    31.4   125
 KIRWIN                   9550    12.8    12.0   107     17.2    15.4   112
 MARQUETTE                8760     9.5     9.8    97     14.0    15.2    92
 SYLVAN LAKE              8420    21.2    21.6    98     31.0    26.0   119
 SYLVAN ROAD              7120     5.4     4.1   132     23.7    21.5   110
 YOUNTS PEAK              8350    17.5    16.6   105     19.9    19.8   101
                                                -----                  -----
                Basin wide percent of average    103                    112


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     5.3     1.3   408     12.5    12.0   104
 BIG GOOSE                7990    11.5     9.9   116     17.2    14.3   120
 BONE SPRINGS DIV         9350    21.2    17.1   124     22.3    19.7   113
 BURGESS JUNCTION         7880    16.7    11.4   146     19.1    16.6   115
 CLOUD PEAK RESERVOIR     9860    20.0    15.5   129     20.9    18.8   111
 DOME LAKE                8880    13.1    11.4   115     20.3    18.2   112
 GRAVE SPRINGS            8550    11.8     9.4   126     14.1    14.3    99
 HANSEN SAWMILL           8360     3.5     3.2   109     12.3    12.0   103
 MIDDLE POWDER            7760    15.6    12.1   129     14.1    17.0    83
 POWDER RIVER PASS        9480    12.7     9.0   141     18.5    17.1   108
 SUCKER CREEK             8880    17.7    11.2   158     22.5    19.0   118
 TIE CREEK                6870     6.1     2.4   254     16.4    14.9   110
                                                -----                  -----
                Basin wide percent of average    136                    108


BELLE FOURCHE

 BLIND PARK               6890     2.2     1.3   169     16.1    15.4   105
 COLE CANYON              5910     4.7     1.4   336     13.9    10.8   129
 NORTH RAPID CREEK        6130     6.9     1.1   627     16.0    12.4   129
                                                -----                  -----
                Basin wide percent of average    363                    119


UPPER N. PLATTE RIVER

 COLUMBINE                9160    22.5    15.7   143     34.0    30.3   112
 DIVIDE PEAK              8880    21.1    15.0   141     28.1    25.4   111
 ELK RIVER                8700    18.1     9.8   185     28.0    24.1   116
 JOE WRIGHT              10120    29.3    24.6   119     35.9    31.8   113
 NORTH FRENCH CREEK      10130    34.4    34.0   101     36.6    31.4   117
 OLD BATTLE              10000    39.2    36.6   107     46.9    41.6   113
 SAGE CREEK BASIN         7850    10.0     8.7   115     20.0    14.8   135
 SOUTH BRUSH CREEK        8440     6.9     7.9    87     20.8    21.4    97
 TOWER                   10500    50.6    52.2    97     49.8    47.1   106
 WEBBER SPRINGS           9250    25.5    20.6   124     37.1    32.5   114
 WILLOW CREEK PASS        9540    21.6    12.6   171     21.0    16.7   126
                                                -----                  -----
                Basin wide percent of average    117                    113


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    21.4    25.3    85     27.6    28.6    97
 CASPER MTN.              7900    16.6    13.7   121     20.5    21.2    97
 DEADMAN HILL            10220    21.2    18.9   112     25.0    22.4   112
 DEER PARK                9700    15.8    16.8    94     24.1    28.2    85
 LAPRELE CREEK            8375     4.9     4.6   107     15.9    17.8    89
 RENO HILL                8400    17.9    11.4   157     25.0    21.9   114
 ROACH                    9700    20.4    15.3   133     27.6    23.9   115
 SAND LAKE               10050    34.6    36.4    95     36.7    31.2   118
 SOUTH PASS               9040    13.9    15.5    90     21.0    24.1    87
 WINDY PEAK               7900     4.4     2.5   176     13.9    14.7    95
                                                -----                  -----
                Basin wide percent of average    107                    101


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440     1.1     1.7    65     20.1    19.5   103
 DIVIDE PEAK              8880    21.1    15.0   141     28.1    25.4   111
 OLD BATTLE              10000    39.2    36.6   107     46.9    41.6   113
 SANDSTONE RS             8150    11.5     5.3   217     25.4    23.0   110
 WHISKEY PARK             8950    36.2    28.3   128     42.7    35.5   120
                                                -----                  -----
                Basin wide percent of average    126                    113


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    10.6    10.5   101     15.8    16.9    93
 BLIND BULL SUM           8650    27.8    26.0   107     20.5    26.2    78
 EAST RIM DIVIDE          7930     5.8    10.6    55     12.8    14.6    88
 ELKHART PARK G.S.        9400    10.3    10.6    97     13.9    17.0    82
 GROS VENTRE SUMMIT       8750    12.4    11.0   113     16.7    16.1   104
 GUNSIGHT PASS            9820    13.2      -M      *    17.7      -M      *
 KENDALL R.S.             7740     5.7     5.7   100     15.6    17.2    91
 LOOMIS PARK              8240    10.6    11.2    95     20.4    20.8    98
 NEW FORK LAKE            8340     5.0     5.3    94     11.3    14.2    80
 SNIDER BASIN             8060     8.7     9.3    94     16.0    19.2    83
 SPRING CREEK DIVIDE      9000    23.5    26.2    90     27.2    31.2    87
 TRIPLE PEAK              8500    22.3    19.4   115     33.2    29.9   111
                                                -----                  -----
                Basin wide percent of average     98                     91


LOWER GREEN RIVER

 HAMS FORK                7840     5.2     2.6   200     12.5    15.6    80
 HEWINTA                  9519     8.1     5.9   137     19.8    18.7   106
 HICKERSON PARK           9145      .0     3.1     0     11.0    11.0   100
 HOLE-IN-ROCK             9150      .5     2.5    20     11.8    10.6   111
 INDIAN CREEK             9425      -M    25.4      *      -M    30.6      *
 KELLEY R.S.              8180    12.6    10.7   118     20.9    24.5    85
 STEEL CREEK PARK        10200    19.6    18.7   105     21.9    21.3   103
                                                -----                  -----
                Basin wide percent of average    106                     96


UPPER BEAR RIVER

 BUG LAKE                 7950    14.8    13.1   113     19.5    23.4    83
 HAYDEN FORK              9212    10.7     9.1   118     26.8    26.3   102
 KELLEY R.S.              8180    12.6    10.7   118     20.9    24.5    85
 LILY LAKE                9156    10.1     7.7   131     20.9    22.2    94
 MONTE CRISTO             8960    27.0    24.6   110     30.1    31.7    95
 SALT RIVER SUMMIT        7760    10.3     6.7   154     18.6    22.5    83
 TRIAL LAKE               9992    22.4    24.6    91     28.4    30.8    92
                                                -----                  -----
                Basin wide percent of average    112                     91

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


 -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 1961-90.

Provisional data, subject to revision.