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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 3:48a, 5/24/18
Temperature 44.5°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 WEDNESDAY: MAY 19 , 2010
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030      .0     5.2     0     16.0    25.9    62
 COTTONWOOD CREEK         7670    12.6    12.5   101     28.0    34.2    82
 GRAND TARGHEE            9260    43.9      -M      *    35.4      -M      *
 GRANITE CREEK            6770      .0     6.7     0     16.0    23.8    67
 GRASSY LAKE              7265    14.9    24.7    60     31.4    43.3    73
 GROS VENTRE SUMMIT       8750     5.7     8.9    64     12.3    16.6    74
 GUNSIGHT PASS            9820    10.6      -M      *    15.0      -M      *
 LEWIS LAKE DIVIDE        7850    15.2    27.3    56     26.4    43.8    60
 PHILLIPS BENCH           8200    13.9    22.5    62     25.0    35.1    71
 SALT RIVER SUMMIT        7760     2.4     3.4    71     16.3    23.1    71
 SNAKE RIVER STATION      6920      .0     4.2     0     19.7    27.2    72
 SPRING CREEK DIVIDE      9000    21.5    23.3    92     23.6    31.9    74
 THUMB DIVIDE             7980      .5     8.4     6     16.7    23.7    70
 TOGWOTEE PASS            9580    22.7    26.8    85       -M    31.2      *
 TWO OCEAN PLATEAU        9240    24.7    30.1    82     22.3    34.5    65
 WILLOW CREEK             8380    19.4    23.6    82     35.6    40.6    88
                                                -----                  -----
                Basin wide percent of average     67                     72


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    16.7    25.1    67     18.1    25.5    71
 BLACK BEAR               8170    23.3    35.3    66     31.7    48.4    65
 CANYON                   7870     3.5     5.9    59     14.4    19.3    75
 FISHER CREEK             9100    24.7    35.7    69     29.7    44.6    67
 MADISON PLATEAU          7750    13.5    18.0    75     25.4    32.5    78
 NORTHEAST ENTRANCE       7350      .0     2.2     0     12.0    16.3    74
 PARKER PEAK              9400    18.8    23.6    80     17.1    21.6    79
 SYLVAN LAKE              8420    11.5    19.3    60     22.7    27.0    84
 THUMB DIVIDE             7980      .5     8.4     6     16.7    23.7    70
 TWO OCEAN PLATEAU        9240    24.7    30.1    82     22.3    34.5    65
 WHISKEY CREEK            6800     5.6     8.2    68     16.2    25.9    63
 WHITE MILL               8700    17.3    23.9    72     20.6    33.5    61
 WOLVERINE                7650      .0     2.0     0      9.6    17.0    56
                                                -----                  -----
                Basin wide percent of average     67                     69


WIND RIVER

 BURROUGHS CREEK          8750    10.0     9.6   104     13.2    21.2    62
 COLD SPRINGS             9630     7.7     2.8   275     17.7    15.8   112
 DEER PARK                9700    21.6    17.1   126     27.5    29.3    94
 HOBBS PARK              10100    24.6    16.2   152     26.6    19.3   138
 LITTLE WARM              9370     9.1     6.8   134     14.5    18.7    78
 SOUTH PASS               9040    18.4    12.6   146     25.6    24.8   103
 ST. LAWRENCE ALT         8620     7.7     2.9   266     19.1    14.0   136
 TOGWOTEE PASS            9580    22.7    26.8    85       -M    31.2      *
 TOWNSEND CREEK           8700    14.8     5.0   296     24.1    17.5   138
                                                -----                  -----
                Basin wide percent of average    137                    105


BIGHORN BASIN

 BALD MTN.                9380    17.8    22.5    79     16.0    23.8    67
 BEAR TRAP MEADOW         8200     3.1      .4   775*    12.5    12.8    98
 BLACKWATER               9780    22.1    28.8    77     22.0    27.0    81
 BONE SPRINGS DIV         9350    13.8    15.5    89     15.4    20.6    75
 EVENING STAR             9200    18.8    31.8    59     26.4    32.4    81
 GRAVE SPRINGS            8550    10.6     6.2   171     16.9    14.9   113
 KIRWIN                   9550    11.9    10.4   114     15.7    16.1    98
 MARQUETTE                8760    13.3     8.3   160     16.8    16.2   104
 MIDDLE POWDER            7760    11.9     9.6   124     13.2    17.8    74
 OWL CREEK                8975     1.5     1.9    79     11.2     9.8   114
 POWDER RIVER PASS        9480     7.7     7.1   108     15.3    18.0    85
 SHELL CREEK              9580    14.7    15.8    93     16.0    19.0    84
 SYLVAN LAKE              8420    11.5    19.3    60     22.7    27.0    84
 SYLVAN ROAD              7120      .0     2.0     0     16.2    22.1    73
 TIMBER CREEK             7950     3.6     1.9   189     13.3    12.8   104
 YOUNTS PEAK              8350    10.6    14.3    74     13.3    20.6    65
                                                -----                  -----
                Basin wide percent of average     88                     85


SHOSHONE RIVER

 BLACKWATER               9780    22.1    28.8    77     22.0    27.0    81
 EVENING STAR             9200    18.8    31.8    59     26.4    32.4    81
 KIRWIN                   9550    11.9    10.4   114     15.7    16.1    98
 MARQUETTE                8760    13.3     8.3   160     16.8    16.2   104
 SYLVAN LAKE              8420    11.5    19.3    60     22.7    27.0    84
 SYLVAN ROAD              7120      .0     2.0     0     16.2    22.1    73
 YOUNTS PEAK              8350    10.6    14.3    74     13.3    20.6    65
                                                -----                  -----
                Basin wide percent of average     77                     82


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     3.1      .4   775*    12.5    12.8    98
 BIG GOOSE                7990    12.2     8.4   145     18.2    15.1   121
 BONE SPRINGS DIV         9350    13.8    15.5    89     15.4    20.6    75
 BURGESS JUNCTION         7880    13.2     8.9   148     16.6    17.3    96
 CLOUD PEAK RESERVOIR     9860    18.4    14.2   130     19.7    19.8    99
 DOME LAKE                8880    13.0     9.3   140     19.2    19.1   101
 GRAVE SPRINGS            8550    10.6     6.2   171     16.9    14.9   113
 HANSEN SAWMILL           8360     3.9     1.7   229     14.0    12.7   110
 MIDDLE POWDER            7760    11.9     9.6   124     13.2    17.8    74
 POWDER RIVER PASS        9480     7.7     7.1   108     15.3    18.0    85
 SUCKER CREEK             8880    16.8     9.1   185     21.6    19.9   109
 TIE CREEK                6870     5.1     1.0   510     18.6    15.7   118
                                                -----                  -----
                Basin wide percent of average    142                     99


BELLE FOURCHE

 BLIND PARK               6890      .0      .0   100*    18.4    16.3   113
 COLE CANYON              5910      .8      .4   200*    17.7    11.5   154
 NORTH RAPID CREEK        6130      .0      .3     0*    17.1    12.9   133
                                                -----                  -----
                Basin wide percent of average    114*                   131


UPPER N. PLATTE RIVER

 COLUMBINE                9160    15.2    10.9   139     29.6    31.0    95
 DIVIDE PEAK              8880    16.7    11.0   152     29.9    26.2   114
 ELK RIVER                8700    11.1     6.0   185     26.4    24.8   106
 JOE WRIGHT              10120    25.3    23.1   110     30.7    32.9    93
 NORTH FRENCH CREEK      10130      -M    32.2      *      -M    32.5      *
 OLD BATTLE              10000    42.7    34.3   124     46.1    42.6   108
 SAGE CREEK BASIN         7850      .1     6.4     2     16.2    15.2   107
 SOUTH BRUSH CREEK        8440     8.9     5.5   162     25.4    22.3   114
 TOWER                   10500    43.2    50.7    85     43.4    48.2    90
 WEBBER SPRINGS           9250    23.9    16.0   149     36.3    33.3   109
 WILLOW CREEK PASS        9540    13.9     9.9   140     18.0    17.4   103
                                                -----                  -----
                Basin wide percent of average    116                    103


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    25.1    21.3   118     30.0    29.6   101
 CASPER MTN.              7900    13.9    10.2   136     20.5    22.3    92
 DEADMAN HILL            10220      -M    17.2      *      -M    23.2      *
 DEER PARK                9700    21.6    17.1   126     27.5    29.3    94
 LAPRELE CREEK            8375     4.5     2.9   155     19.0    18.6   102
 RENO HILL                8400    17.3     8.4   206     26.3    23.0   114
 ROACH                    9700    22.3    12.0   186     29.4    24.8   119
 SAND LAKE               10050    40.7    34.5   118     40.5    32.3   125
 SOUTH PASS               9040    18.4    12.6   146     25.6    24.8   103
 WINDY PEAK               7900     5.1     1.2   425     18.2    15.6   117
                                                -----                  -----
                Basin wide percent of average    141                    108


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .0      .0   100*    19.0    20.0    95
 DIVIDE PEAK              8880    16.7    11.0   152     29.9    26.2   114
 OLD BATTLE              10000    42.7    34.3   124     46.1    42.6   108
 SANDSTONE RS             8150      .0     2.8     0     22.0    23.6    93
 WHISKEY PARK             8950    26.2    24.8   106     39.6    36.4   109
                                                -----                  -----
                Basin wide percent of average    117                    105


UPPER GREEN RIVER

 BIG SANDY OPENING        9080     5.4     7.8    69     12.7    17.5    73
 BLIND BULL SUM           8650    18.5    24.0    77     16.9    26.9    63
 EAST RIM DIVIDE          7930      .2     8.0     3      9.4    15.1    62
 ELKHART PARK G.S.        9400     6.1     8.5    72     11.8    17.7    67
 GROS VENTRE SUMMIT       8750     5.7     8.9    64     12.3    16.6    74
 GUNSIGHT PASS            9820    10.6      -M      *    15.0      -M      *
 KENDALL R.S.             7740      .2     2.1    10     11.3    17.7    64
 LOOMIS PARK              8240      .7     8.5     8     13.2    21.4    62
 NEW FORK LAKE            8340      .0     2.7     0      9.2    14.8    62
 POCKET CREEK             9360     8.2      -M      *    14.5      -M      *
 SNIDER BASIN             8060     5.2     6.3    83     15.8    19.6    81
 SPRING CREEK DIVIDE      9000    21.5    23.3    92     23.6    31.9    74
 TRIPLE PEAK              8500    15.4    15.2   101     27.2    30.6    89
                                                -----                  -----
                Basin wide percent of average     68                     71


LOWER GREEN RIVER

 HAMS FORK                7840      .4      .0      *    14.1    16.1    88
 HEWINTA                  9519     6.2     3.5   177     17.8    19.3    92
 HICKERSON PARK           9145      .5     1.4    36     15.4    11.6   133
 HOLE-IN-ROCK             9150      .4     1.2    33     15.1    11.2   135
 INDIAN CREEK             9425    19.3    22.4    86     22.6    31.3    72
 KELLEY R.S.              8180     5.9     7.8    76     17.7    25.1    71
 STEEL CREEK PARK        10200    21.0    17.4   121     22.3    21.9   102
                                                -----                  -----
                Basin wide percent of average    100                     92


UPPER BEAR RIVER

 BUG LAKE                 7950     9.2     9.2   100     19.4    24.0    81
 HAYDEN FORK              9212     4.0     6.1    66     24.1    27.1    89
 KELLEY R.S.              8180     5.9     7.8    76     17.7    25.1    71
 LILY LAKE                9156     9.9     5.3   187     20.3    22.8    89
 MONTE CRISTO             8960    16.8    21.1    80     25.1    32.6    77
 SALT RIVER SUMMIT        7760     2.4     3.4    71     16.3    23.1    71
 TRIAL LAKE               9992    19.5    21.9    89     21.9    31.7    69
                                                -----                  -----
                Basin wide percent of average     91                     78

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


 -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.