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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 1:43p, 5/22/18
Temperature 65.9°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 WEDNESDAY: MAY 21 , 2008
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030     7.1     3.8   187     31.2    26.1   120
 COTTONWOOD CREEK         7670    14.0    11.0   127     29.7    34.6    86
 GRAND TARGHEE            9260    55.8      -M      *    42.1      -M      *
 GRANITE CREEK            6770     7.0     5.4   130     25.7    24.0   107
 GRASSY LAKE              7265    26.9    22.7   119     50.0    43.6   115
 GROS VENTRE SUMMIT       8750     5.3     7.9    67     16.7    16.8    99
 GUNSIGHT PASS            9820     7.2      -M      *    18.1      -M      *
 LEWIS LAKE DIVIDE        7850    28.6    25.5   112     42.5    44.2    96
 PHILLIPS BENCH           8200    23.0    20.8   111     39.5    35.5   111
 SALT RIVER SUMMIT        7760      .7     2.0    35     18.9    23.3    81
 SNAKE RIVER STATION      6920     3.4     2.6   131     31.7    27.4   116
 SPRING CREEK DIVIDE      9000    16.9    21.7    78     27.5    32.2    85
 THUMB DIVIDE             7980     6.9     7.1    97     24.3    23.9   102
 TOGWOTEE PASS            9580    28.1    26.0   108     35.5    31.5   113
 TWO OCEAN PLATEAU        9240    41.3    29.3   141     38.3    34.9   110
 WILLOW CREEK             8380    22.3    21.9   102     46.5    41.1   113
                                                -----                  -----
                Basin wide percent of average    111                    104


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    26.9    24.2   111     29.1    25.9   112
 BLACK BEAR               8170    42.9    33.9   127     49.5    48.8   101
 CANYON                   7870    10.5     4.7   223     24.5    19.5   126
 FISHER CREEK             9100      -M    34.5      *    45.3    45.1   100
 MADISON PLATEAU          7750    25.1    16.3   154     37.9    32.9   115
 NORTHEAST ENTRANCE       7350      .2     1.5    13     16.6    16.6   100
 PARKER PEAK              9400    27.3    22.8   120       -M    21.9      *
 SYLVAN LAKE              8420    20.1    17.6   114     32.2    27.4   118
 THUMB DIVIDE             7980     6.9     7.1    97     24.3    23.9   102
 TWO OCEAN PLATEAU        9240    41.3    29.3   141     38.3    34.9   110
 WHISKEY CREEK            6800    14.0     6.6   212     29.2    26.2   111
 WHITE MILL               8700    26.9    23.0   117     32.5    33.8    96
 WOLVERINE                7650      .0     1.5     0     17.7    17.3   102
                                                -----                  -----
                Basin wide percent of average    128                    107


WIND RIVER

 BURROUGHS CREEK          8750    10.3     8.2   126     21.3    21.5    99
 COLD SPRINGS             9630      -M     2.0      *    13.6    16.1    84
 DEER PARK                9700    13.4    15.9    84     25.1    29.7    85
 HOBBS PARK              10100    14.2    15.1    94     20.4    19.7   104
 LITTLE WARM              9370     1.0     5.4    19     17.7    19.0    93
 SOUTH PASS               9040     7.8    11.0    71     21.8    25.1    87
 ST. LAWRENCE ALT         8620      .2     1.9    11     12.0    14.2    85
 TOGWOTEE PASS            9580    28.1    26.0   108     35.5    31.5   113
 TOWNSEND CREEK           8700      .5     3.9    13     16.2    17.8    91
                                                -----                  -----
                Basin wide percent of average     86                     94


BIGHORN BASIN

 BALD MTN.                9380    16.8    21.6    78     20.7    24.1    86
 BEAR TRAP MEADOW         8200      .1      .0           13.0    13.1    99
 BLACKWATER               9780    28.1    28.5    99     30.1    27.4   110
 BONE SPRINGS DIV         9350    15.1    14.0   108     23.8    21.0   113
 EVENING STAR             9200    27.3    31.0    88     40.4    32.8   123
 GRAVE SPRINGS            8550     7.5     4.4   170     14.5    15.2    95
 KIRWIN                   9550     8.0     9.7    82     18.0    16.4   110
 MARQUETTE                8760     4.4     7.4    59     14.9    16.6    90
 MIDDLE POWDER            7760     9.4     7.9   119     14.2    18.1    78
 OWL CREEK                8975      .2     1.4    14      9.3    10.1    92
 POWDER RIVER PASS        9480     7.9     5.8   136     19.1    18.4   104
 SHELL CREEK              9580    17.0    14.8   115     20.9    19.3   108
 SYLVAN LAKE              8420    20.1    17.6   114     32.2    27.4   118
 SYLVAN ROAD              7120      .0     1.1     0     24.3    22.4   108
 TIMBER CREEK             7950      .3     1.5    20     12.4    13.1    95
 YOUNTS PEAK              8350    12.8    13.0    98     20.6    20.9    99
                                                -----                  -----
                Basin wide percent of average     97                    104


SHOSHONE RIVER

 BLACKWATER               9780    28.1    28.5    99     30.1    27.4   110
 EVENING STAR             9200    27.3    31.0    88     40.4    32.8   123
 KIRWIN                   9550     8.0     9.7    82     18.0    16.4   110
 MARQUETTE                8760     4.4     7.4    59     14.9    16.6    90
 SYLVAN LAKE              8420    20.1    17.6   114     32.2    27.4   118
 SYLVAN ROAD              7120      .0     1.1     0     24.3    22.4   108
 YOUNTS PEAK              8350    12.8    13.0    98     20.6    20.9    99
                                                -----                  -----
                Basin wide percent of average     93                    110


POWDER-TONGUE

 BEAR TRAP MEADOW         8200      .1      .0           13.0    13.1    99
 BIG GOOSE                7990     6.9     7.6    91     18.2    15.4   118
 BONE SPRINGS DIV         9350    15.1    14.0   108     23.8    21.0   113
 BURGESS JUNCTION         7880    13.3     7.6   175     20.4    17.6   116
 CLOUD PEAK RESERVOIR     9860    15.3    12.8   120     22.1    20.2   109
 DOME LAKE                8880     8.5     7.8   109     21.3    19.5   109
 GRAVE SPRINGS            8550     7.5     4.4   170     14.5    15.2    95
 HANSEN SAWMILL           8360      .3     1.0    30     13.2    13.0   102
 MIDDLE POWDER            7760     9.4     7.9   119     14.2    18.1    78
 POWDER RIVER PASS        9480     7.9     5.8   136     19.1    18.4   104
 SUCKER CREEK             8880    14.7     8.1   181     24.7    20.3   122
 TIE CREEK                6870      .3      .5    60     17.3    16.1   107
                                                -----                  -----
                Basin wide percent of average    128                    107


BELLE FOURCHE

 BLIND PARK               6890      -M      .0      *    16.6    16.6   100
 COLE CANYON              5910      .0      .1     0     14.7    11.8   125
 NORTH RAPID CREEK        6130      -M      .1      *    16.7    13.2   127
                                                -----                  -----
                Basin wide percent of average      0*                   115


UPPER N. PLATTE RIVER

 COLUMBINE                9160    15.4     8.7   177     35.2    31.3   112
 DIVIDE PEAK              8880    14.7     9.3   158     29.2    26.5   110
 ELK RIVER                8700     9.0     4.6   196     28.7    25.1   114
 JOE WRIGHT              10120    26.0    22.2   117     36.8    33.4   110
 NORTH FRENCH CREEK      10130    30.3    30.9    98     37.4    32.9   114
 OLD BATTLE              10000    35.0    32.8   107     48.1    43.0   112
 SAGE CREEK BASIN         7850      .3     5.4     6     20.6    15.4   134
 SOUTH BRUSH CREEK        8440      .2     4.5     4     21.9    22.6    97
 TOWER                   10500    48.7    49.6    98       -M    48.6      *
 WEBBER SPRINGS           9250    19.9    13.9   143     37.9    33.6   113
 WILLOW CREEK PASS        9540    18.5     8.4   220     21.5    17.7   121
                                                -----                  -----
                Basin wide percent of average    115                    113


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    15.9    19.3    82     28.3    29.9    95
 CASPER MTN.              7900    11.1     8.7   128     21.4    22.7    94
 DEADMAN HILL            10220    20.6    16.1   128     26.1    23.5   111
 DEER PARK                9700    13.4    15.9    84     25.1    29.7    85
 LAPRELE CREEK            8375      .0     2.3     0     16.5    19.0    87
 RENO HILL                8400    13.1     7.1   185     26.6    23.4   114
 ROACH                    9700    17.4    10.6   164     28.8    25.1   115
 SAND LAKE               10050    32.8    33.2    99     37.9    32.8   116
 SOUTH PASS               9040     7.8    11.0    71     21.8    25.1    87
 WINDY PEAK               7900      .8      .9    89     14.2    15.9    89
                                                -----                  -----
                Basin wide percent of average    106                    100


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .0      .0   100     20.7    20.2   102
 DIVIDE PEAK              8880    14.7     9.3   158     29.2    26.5   110
 OLD BATTLE              10000    35.0    32.8   107     48.1    43.0   112
 SANDSTONE RS             8150     3.5     2.0   175     26.0    23.9   109
 WHISKEY PARK             8950    31.7    22.8   139     43.6    36.7   119
                                                -----                  -----
                Basin wide percent of average    127                    112


UPPER GREEN RIVER

 BIG SANDY OPENING        9080     1.6     6.5    25     16.0    17.7    90
 BLIND BULL SUM           8650    24.9    22.9   109     20.9    27.1    77
 EAST RIM DIVIDE          7930      .0     6.7     0     12.9    15.3    84
 ELKHART PARK G.S.        9400     3.0     7.4    41     14.4    18.0    80
 GROS VENTRE SUMMIT       8750     5.3     7.9    67     16.7    16.8    99
 GUNSIGHT PASS            9820     7.2      -M      *    18.1      -M      *
 KENDALL R.S.             7740      .1      .5    20     16.1    17.9    90
 LOOMIS PARK              8240     2.0     7.2    28     20.5    21.7    94
 NEW FORK LAKE            8340      .0     1.6     0     12.8    15.0    85
 SNIDER BASIN             8060      .4     4.9     8     16.1    19.8    81
 SPRING CREEK DIVIDE      9000    16.9    21.7    78     27.5    32.2    85
 TRIPLE PEAK              8500    14.2    13.1   108     33.7    30.9   109
                                                -----                  -----
                Basin wide percent of average     68                     89


LOWER GREEN RIVER

 HAMS FORK                7840      .1      .0           13.0    16.3    80
 HEWINTA                  9519      -M     2.6      *    20.3    19.5   104
 HICKERSON PARK           9145      .0      .9     0     11.4    11.8    97
 HOLE-IN-ROCK             9150      .0      .7     0     12.0    11.4   105
 INDIAN CREEK             9425      -M    20.9      *      -M    31.5      *
 KELLEY R.S.              8180     4.8     6.5    74     21.4    25.4    84
 STEEL CREEK PARK        10200    16.5    16.4   101     22.5    22.2   101
                                                -----                  -----
                Basin wide percent of average     87                     94


UPPER BEAR RIVER

 BUG LAKE                 7950     8.4     7.5   112     20.3    24.3    84
 HAYDEN FORK              9212      .2     4.8     4     27.6    27.4   101
 KELLEY R.S.              8180     4.8     6.5    74     21.4    25.4    84
 LILY LAKE                9156     1.0     4.3    23     21.7    23.1    94
 MONTE CRISTO             8960    17.4    19.4    90     30.4    32.9    92
 SALT RIVER SUMMIT        7760      .7     2.0    35     18.9    23.3    81
 TRIAL LAKE               9992    13.1    20.5    64     28.8    32.1    90
                                                -----                  -----
                Basin wide percent of average     70                     90

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


 -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.