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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 2:43p, 5/21/18
Temperature 68.1°F
Wind 1.0 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 SATURDAY: MAY 3 , 2008
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    18.0    11.5   157     30.3    24.5   124
 COTTONWOOD CREEK         7670    25.5    19.0   134     28.3    32.2    88
 GRAND TARGHEE            9260    55.0      -M      *    38.4      -M      *
 GRANITE CREEK            6770    16.0    12.2   131     24.9    22.6   110
 GRASSY LAKE              7265    39.6    32.6   121     47.9    41.2   116
 GROS VENTRE SUMMIT       8750    13.6    12.9   105     16.1    15.4   105
 GUNSIGHT PASS            9820    13.4      -M      *    16.9      -M      *
 LEWIS LAKE DIVIDE        7850    40.1    34.0   118     41.0    41.9    98
 PHILLIPS BENCH           8200    35.3    28.9   122     38.5    33.4   115
 SALT RIVER SUMMIT        7760    12.5     9.9   126     18.0    21.8    83
 SNAKE RIVER STATION      6920    18.5    11.4   162     30.3    25.7   118
 SPRING CREEK DIVIDE      9000    23.7    28.3    84     26.5    30.4    87
 THUMB DIVIDE             7980    17.7    14.3   124     23.1    22.2   104
 TOGWOTEE PASS            9580    30.4    28.0   109     33.8    29.2   116
 TWO OCEAN PLATEAU        9240      -M    31.8      *      -M    32.4      *
 WILLOW CREEK             8380    33.1    30.1   110     43.6    38.0   115
                                                -----                  -----
                Basin wide percent of average    119                    106


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    28.1    26.0   108     26.7    23.8   112
 BLACK BEAR               8170    47.5    39.5   120     47.5    46.2   103
 CANYON                   7870    18.4    10.7   172     23.3    17.9   130
 FISHER CREEK             9100    44.8    37.7   119     43.1    42.2   102
 MADISON PLATEAU          7750    32.8    23.7   138     35.9    30.6   117
 NORTHEAST ENTRANCE       7350     9.1     6.3   144     15.4    15.0   103
 PARKER PEAK              9400    31.1    24.6   126       -M    19.7      *
 SYLVAN LAKE              8420    22.4    23.4    96     29.9    25.0   120
 THUMB DIVIDE             7980    17.7    14.3   124     23.1    22.2   104
 TWO OCEAN PLATEAU        9240      -M    31.8      *      -M    32.4      *
 WHISKEY CREEK            6800    20.7    14.5   143     27.7    24.4   114
 WHITE MILL               8700    31.1    26.3   118     31.1    31.5    99
 WOLVERINE                7650     8.8     6.6   133     15.5    15.4   101
                                                -----                  -----
                Basin wide percent of average    123                    108


WIND RIVER

 BURROUGHS CREEK          8750    16.7    13.2   127     20.7    19.5   106
 COLD SPRINGS             9630     3.8     4.7    81     12.0    14.1    85
 DEER PARK                9700    16.4    18.1    91     23.2    27.2    85
 HOBBS PARK              10100    16.1    18.0    89       -M    17.2      *
 LITTLE WARM              9370    10.2    10.5    97     16.2    17.0    95
 SOUTH PASS               9040    14.8    17.7    84     20.3    23.0    88
 ST. LAWRENCE ALT         8620     4.9     5.8    84     10.1    12.3    82
 TOGWOTEE PASS            9580    30.4    28.0   109     33.8    29.2   116
 TOWNSEND CREEK           8700     8.7     8.6   101     14.9    15.8    94
                                                -----                  -----
                Basin wide percent of average     98                     96


BIGHORN BASIN

 BALD MTN.                9380    20.2    23.5    86     18.4    21.6    85
 BEAR TRAP MEADOW         8200     7.6     2.1   362     11.7    11.1   105
 BLACKWATER               9780    29.6    29.0   102     27.3    25.0   109
 BONE SPRINGS DIV         9350    22.1    18.2   121     21.1    18.6   113
 EVENING STAR             9200    33.3    33.3   100     38.3    30.2   127
 GRAVE SPRINGS            8550    12.2    10.8   113     13.1    13.4    98
 KIRWIN                   9550    13.7    12.9   106     16.7    14.4   116
 MARQUETTE                8760     9.3    11.0    85     12.6    14.0    90
 MIDDLE POWDER            7760    15.3    14.0   109     12.5    16.0    78
 OWL CREEK                8975     1.1     3.8    29      8.5     8.4   101
 POWDER RIVER PASS        9480    13.3    10.2   130     17.3    16.1   107
 SHELL CREEK              9580    19.4    16.7   116     18.9    17.1   111
 SYLVAN LAKE              8420    22.4    23.4    96     29.9    25.0   120
 SYLVAN ROAD              7120    10.4     7.6   137     23.4    20.7   113
 TIMBER CREEK             7950     5.0     4.7   106     10.4    10.8    96
 YOUNTS PEAK              8350    18.8    18.1   104     19.7    19.0   104
                                                -----                  -----
                Basin wide percent of average    106                    107


SHOSHONE RIVER

 BLACKWATER               9780    29.6    29.0   102     27.3    25.0   109
 EVENING STAR             9200    33.3    33.3   100     38.3    30.2   127
 KIRWIN                   9550    13.7    12.9   106     16.7    14.4   116
 MARQUETTE                8760     9.3    11.0    85     12.6    14.0    90
 SYLVAN LAKE              8420    22.4    23.4    96     29.9    25.0   120
 SYLVAN ROAD              7120    10.4     7.6   137     23.4    20.7   113
 YOUNTS PEAK              8350    18.8    18.1   104     19.7    19.0   104
                                                -----                  -----
                Basin wide percent of average    102                    113


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     7.6     2.1   362     11.7    11.1   105
 BIG GOOSE                7990    11.2    11.3    99     16.0    13.2   121
 BONE SPRINGS DIV         9350    22.1    18.2   121     21.1    18.6   113
 BURGESS JUNCTION         7880    16.9    13.0   130     18.3    15.6   117
 CLOUD PEAK RESERVOIR     9860    19.2    16.2   119     19.5    17.4   112
 DOME LAKE                8880    13.5    13.1   103     19.3    17.1   113
 GRAVE SPRINGS            8550    12.2    10.8   113     13.1    13.4    98
 HANSEN SAWMILL           8360     5.2     4.6   113     11.5    11.2   103
 MIDDLE POWDER            7760    15.3    14.0   109     12.5    16.0    78
 POWDER RIVER PASS        9480    13.3    10.2   130     17.3    16.1   107
 SUCKER CREEK             8880    17.9    12.7   141     21.7    17.7   123
 TIE CREEK                6870     7.9     3.8   208     15.6    13.8   113
                                                -----                  -----
                Basin wide percent of average    125                    109


BELLE FOURCHE

 BLIND PARK               6890     5.8     3.9   149     15.0    14.4   104
 COLE CANYON              5910     7.2     4.1   176     12.1     9.8   123
 NORTH RAPID CREEK        6130     9.7     3.1   313     14.0    11.6   121
                                                -----                  -----
                Basin wide percent of average    205                    115


UPPER N. PLATTE RIVER

 COLUMBINE                9160    25.9    20.0   130     33.0    29.4   112
 DIVIDE PEAK              8880    23.9    18.6   128     27.6    24.5   113
 ELK RIVER                8700    21.2    14.0   151     26.7    23.3   115
 JOE WRIGHT              10120    28.6    25.1   114     33.6    30.4   111
 NORTH FRENCH CREEK      10130    34.2    34.5    99     35.2    30.0   117
 OLD BATTLE              10000    38.5    37.1   104     45.5    40.2   113
 SAGE CREEK BASIN         7850    14.5    10.8   134     19.7    14.2   139
 SOUTH BRUSH CREEK        8440    10.9    10.5   104     20.2    20.4    99
 TOWER                   10500    49.5    52.4    94       -M    45.6      *
 WEBBER SPRINGS           9250    28.3    24.5   116     36.1    31.4   115
 WILLOW CREEK PASS        9540    21.2    14.0   151     19.7    15.9   124
                                                -----                  -----
                Basin wide percent of average    113                    114


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    23.3    28.0    83     26.8    27.3    98
 CASPER MTN.              7900    16.9    16.6   102     19.1    19.9    96
 DEADMAN HILL            10220    21.0    19.7   107     23.6    21.2   111
 DEER PARK                9700    16.4    18.1    91     23.2    27.2    85
 LAPRELE CREEK            8375     7.6     6.6   115     15.3    16.7    92
 RENO HILL                8400    18.2    14.2   128     23.3    20.6   113
 ROACH                    9700    21.0    18.1   116     26.6    22.7   117
 SAND LAKE               10050    33.8    37.0    91     35.2    29.7   119
 SOUTH PASS               9040    14.8    17.7    84     20.3    23.0    88
 WINDY PEAK               7900     7.7     4.5   171     13.3    13.8    96
                                                -----                  -----
                Basin wide percent of average    100                    102


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440     8.5     4.0   212     19.5    18.8   104
 DIVIDE PEAK              8880    23.9    18.6   128     27.6    24.5   113
 OLD BATTLE              10000    38.5    37.1   104     45.5    40.2   113
 SANDSTONE RS             8150    15.6     8.7   179     24.6    22.1   111
 WHISKEY PARK             8950    38.9    30.3   128     41.1    34.2   120
                                                -----                  -----
                Basin wide percent of average    127                    113


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    12.9    13.0    99     15.1    16.1    94
 BLIND BULL SUM           8650    27.6    27.6   100     19.7    25.4    78
 EAST RIM DIVIDE          7930     8.5    12.8    66     12.5    14.0    89
 ELKHART PARK G.S.        9400    11.3    12.5    90     13.2    16.2    81
 GROS VENTRE SUMMIT       8750    13.6    12.9   105     16.1    15.4   105
 GUNSIGHT PASS            9820    13.4      -M      *    16.9      -M      *
 KENDALL R.S.             7740     9.5     9.2   103     15.3    16.7    92
 LOOMIS PARK              8240    13.8    13.8   100     19.8    20.1    99
 NEW FORK LAKE            8340     7.7     7.9    97     10.6    13.6    78
 SNIDER BASIN             8060    12.2    12.1   101     15.7    18.7    84
 SPRING CREEK DIVIDE      9000    23.7    28.3    84     26.5    30.4    87
 TRIPLE PEAK              8500    24.4    23.1   106     31.9    28.9   110
                                                -----                  -----
                Basin wide percent of average     95                     91


LOWER GREEN RIVER

 HAMS FORK                7840     9.5     5.3   179     11.9    14.9    80
 HEWINTA                  9519    12.0     8.6   140     19.3    18.0   107
 HICKERSON PARK           9145     4.1     5.2    79     10.9    10.4   105
 HOLE-IN-ROCK             9150     4.0     4.3    93     11.8     9.9   119
 INDIAN CREEK             9425    27.5    27.9    99       -M    29.7      *
 KELLEY R.S.              8180    15.1    13.5   112     20.0    23.8    84
 STEEL CREEK PARK        10200    19.7    18.8   105     21.6    20.5   105
                                                -----                  -----
                Basin wide percent of average    110                     98


UPPER BEAR RIVER

 BUG LAKE                 7950    18.4    17.2   107     18.7    22.6    83
 HAYDEN FORK              9212    16.4    12.3   133     26.2    25.4   103
 KELLEY R.S.              8180    15.1    13.5   112     20.0    23.8    84
 LILY LAKE                9156    14.7    10.5   140     20.4    21.3    96
 MONTE CRISTO             8960    31.2    27.7   113     29.4    30.6    96
 SALT RIVER SUMMIT        7760    12.5     9.9   126     18.0    21.8    83
 TRIAL LAKE               9992    24.6    26.3    94     27.5    29.7    93
                                                -----                  -----
                Basin wide percent of average    113                     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.