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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 10:48a, 5/21/18
Temperature 65.0°F
Wind 0.0 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 16 , 2010
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030      .2     6.5     3     16.0    25.6    63
 COTTONWOOD CREEK         7670    14.6    13.9   105     27.6    33.9    81
 GRAND TARGHEE            9260    45.8      -M      *    35.1      -M      *
 GRANITE CREEK            6770      .4     7.8     5     15.0    23.6    64
 GRASSY LAKE              7265    17.4    26.5    66     30.9    42.9    72
 GROS VENTRE SUMMIT       8750     8.3     9.9    84     12.0    16.4    73
 GUNSIGHT PASS            9820    11.5      -M      *    15.0      -M      *
 LEWIS LAKE DIVIDE        7850    17.7    29.0    61     26.2    43.4    60
 PHILLIPS BENCH           8200    16.7    24.1    69     24.9    34.8    72
 SALT RIVER SUMMIT        7760     5.1     4.9   104     15.8    22.8    69
 SNAKE RIVER STATION      6920      .0     5.7     0     19.3    26.9    72
 SPRING CREEK DIVIDE      9000    23.1    24.7    94     23.6    31.6    75
 THUMB DIVIDE             7980     4.5     9.7    46     16.6    23.4    71
 TOGWOTEE PASS            9580    23.6    27.4    86       -M    30.8      *
 TWO OCEAN PLATEAU        9240    25.9    30.7    84     22.3    34.1    65
 WILLOW CREEK             8380    21.4    25.3    85     34.9    40.1    87
                                                -----                  -----
                Basin wide percent of average     73                     71


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    17.3    25.5    68     17.9    25.2    71
 BLACK BEAR               8170    26.5    36.5    73     31.7    48.0    66
 CANYON                   7870     6.0     7.1    85     14.1    19.0    74
 FISHER CREEK             9100    26.1    36.6    71     29.6    44.1    67
 MADISON PLATEAU          7750    15.6    19.5    80     25.1    32.1    78
 NORTHEAST ENTRANCE       7350      .0     3.3     0     11.5    16.0    72
 PARKER PEAK              9400    21.7    24.0    90     16.7    21.2    79
 SYLVAN LAKE              8420    13.3    20.3    66     22.1    26.6    83
 THUMB DIVIDE             7980     4.5     9.7    46     16.6    23.4    71
 TWO OCEAN PLATEAU        9240    25.9    30.7    84     22.3    34.1    65
 WHISKEY CREEK            6800     7.8     9.8    80     16.2    25.6    63
 WHITE MILL               8700    18.8    24.7    76     20.5    33.1    62
 WOLVERINE                7650      .1     3.2     3      9.6    16.7    57
                                                -----                  -----
                Basin wide percent of average     73                     70


WIND RIVER

 BURROUGHS CREEK          8750    11.3    10.4   109       -M    20.9      *
 COLD SPRINGS             9630     9.0     3.3   273     17.7    15.5   114
 DEER PARK                9700    22.2    17.2   129     27.5    28.8    95
 HOBBS PARK              10100    25.5    16.7   153     26.5    18.9   140
 LITTLE WARM              9370    10.3     7.8   132     14.5    18.5    78
 SOUTH PASS               9040    19.2    14.1   136     25.5    24.5   104
 ST. LAWRENCE ALT         8620     9.5     3.7   257     19.1    13.7   139
 TOGWOTEE PASS            9580    23.6    27.4    86       -M    30.8      *
 TOWNSEND CREEK           8700    15.9     5.7   279     24.1    17.2   140
                                                -----                  -----
                Basin wide percent of average    138                    113


BIGHORN BASIN

 BALD MTN.                9380    18.7    23.0    81     15.9    23.4    68
 BEAR TRAP MEADOW         8200     4.8      .7   686     12.4    12.5    99
 BLACKWATER               9780    22.7    28.8    79     21.6    26.6    81
 BONE SPRINGS DIV         9350    14.8    16.2    91     15.3    20.3    75
 EVENING STAR             9200    20.7    32.5    64     26.2    32.0    82
 GRAVE SPRINGS            8550    11.8     7.9   149     16.8    14.7   114
 KIRWIN                   9550    13.0    11.0   118     15.6    15.8    99
 MARQUETTE                8760    14.2     8.9   160     16.9    15.8   107
 MIDDLE POWDER            7760    13.7    11.1   123     13.2    17.5    75
 OWL CREEK                8975     3.1     2.3   135     11.3     9.5   119
 POWDER RIVER PASS        9480     8.8     8.1   109     15.2    17.6    86
 SHELL CREEK              9580    16.0    16.3    98     16.1    18.6    87
 SYLVAN LAKE              8420    13.3    20.3    66     22.1    26.6    83
 SYLVAN ROAD              7120      .0     2.7     0     15.8    21.9    72
 TIMBER CREEK             7950     5.2     2.2   236     13.3    12.4   107
 YOUNTS PEAK              8350    12.6    15.4    82     13.3    20.3    66
                                                -----                  -----
                Basin wide percent of average     93                     85


SHOSHONE RIVER

 BLACKWATER               9780    22.7    28.8    79     21.6    26.6    81
 EVENING STAR             9200    20.7    32.5    64     26.2    32.0    82
 KIRWIN                   9550    13.0    11.0   118     15.6    15.8    99
 MARQUETTE                8760    14.2     8.9   160     16.9    15.8   107
 SYLVAN LAKE              8420    13.3    20.3    66     22.1    26.6    83
 SYLVAN ROAD              7120      .0     2.7     0     15.8    21.9    72
 YOUNTS PEAK              8350    12.6    15.4    82     13.3    20.3    66
                                                -----                  -----
                Basin wide percent of average     81                     83


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     4.8      .7   686     12.4    12.5    99
 BIG GOOSE                7990    13.1     9.1   144     18.0    14.8   122
 BONE SPRINGS DIV         9350    14.8    16.2    91     15.3    20.3    75
 BURGESS JUNCTION         7880    14.4    10.2   141     16.5    17.0    97
 CLOUD PEAK RESERVOIR     9860    19.4    14.8   131     19.5    19.4   101
 DOME LAKE                8880    13.7    10.4   132     19.1    18.8   102
 GRAVE SPRINGS            8550    11.8     7.9   149     16.8    14.7   114
 HANSEN SAWMILL           8360     5.6     2.2   255     13.9    12.4   112
 MIDDLE POWDER            7760    13.7    11.1   123     13.2    17.5    75
 POWDER RIVER PASS        9480     8.8     8.1   109     15.2    17.6    86
 SUCKER CREEK             8880    17.7    10.2   174     21.5    19.5   110
 TIE CREEK                6870      -M     1.3      *    18.5    15.4   120
                                                -----                  -----
                Basin wide percent of average    137                    100


BELLE FOURCHE

 BLIND PARK               6890     2.3      .1  2300*    17.9    15.9   113
 COLE CANYON              5910     3.6      .8   450     16.9    11.2   151
 NORTH RAPID CREEK        6130      .2      .6    33*    16.8    12.7   132
                                                -----                  -----
                Basin wide percent of average    407*                   130


UPPER N. PLATTE RIVER

 COLUMBINE                9160    18.1    13.1   138     29.5    30.7    96
 DIVIDE PEAK              8880    20.3    12.8   159     29.8    25.9   115
 ELK RIVER                8700    14.4     7.6   189     26.3    24.5   107
 JOE WRIGHT              10120    25.9    23.8   109     30.5    32.5    94
 NORTH FRENCH CREEK      10130    43.5    33.2   131     43.7    32.0   137
 OLD BATTLE              10000    43.1    35.5   121     45.9    42.2   109
 SAGE CREEK BASIN         7850     2.1     7.4    28     16.2    15.0   108
 SOUTH BRUSH CREEK        8440    11.9     6.5   183     25.3    21.9   116
 TOWER                   10500    43.6    51.5    85     43.2    47.7    91
 WEBBER SPRINGS           9250    25.1    18.1   139     36.2    33.0   110
 WILLOW CREEK PASS        9540    14.4    11.2   129     17.9    17.1   105
                                                -----                  -----
                Basin wide percent of average    119                    107


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    26.1    23.1   113     29.8    29.2   102
 CASPER MTN.              7900    16.6    11.7   142     20.2    21.8    93
 DEADMAN HILL            10220      -M    18.0      *      -M    22.9      *
 DEER PARK                9700    22.2    17.2   129     27.5    28.8    95
 LAPRELE CREEK            8375     6.8     3.6   189     18.6    18.2   102
 RENO HILL                8400    18.3     9.7   189     25.6    22.5   114
 ROACH                    9700    22.8    13.4   170     29.0    24.4   119
 SAND LAKE               10050    40.7    35.5   115     40.3    31.8   127
 SOUTH PASS               9040    19.2    14.1   136     25.5    24.5   104
 WINDY PEAK               7900     7.7     1.7   453     17.8    15.2   117
                                                -----                  -----
                Basin wide percent of average    139                    108


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .0      .6     0*    19.0    19.8    96
 DIVIDE PEAK              8880    20.3    12.8   159     29.8    25.9   115
 OLD BATTLE              10000    43.1    35.5   121     45.9    42.2   109
 SANDSTONE RS             8150     4.9     3.8   129     22.0    23.4    94
 WHISKEY PARK             8950    28.1    26.5   106     39.5    36.0   110
                                                -----                  -----
                Basin wide percent of average    122                    106


UPPER GREEN RIVER

 BIG SANDY OPENING        9080     8.1     9.0    90     12.4    17.2    72
 BLIND BULL SUM           8650    20.2    24.9    81     16.8    26.6    63
 EAST RIM DIVIDE          7930      .2     9.2     2      9.3    14.9    62
 ELKHART PARK G.S.        9400     7.8     9.4    83     11.6    17.4    67
 GROS VENTRE SUMMIT       8750     8.3     9.9    84     12.0    16.4    73
 GUNSIGHT PASS            9820    11.5      -M      *    15.0      -M      *
 KENDALL R.S.             7740      .1     3.7     3     10.8    17.5    62
 LOOMIS PARK              8240     3.1     9.7    32     13.1    21.2    62
 NEW FORK LAKE            8340      .3     3.8     8      8.8    14.5    61
 POCKET CREEK             9360     9.2      -M      *    14.4      -M      *
 SNIDER BASIN             8060     7.4     7.7    96     15.7    19.4    81
 SPRING CREEK DIVIDE      9000    23.1    24.7    94     23.6    31.6    75
 TRIPLE PEAK              8500    17.5    17.1   102     27.1    30.3    89
                                                -----                  -----
                Basin wide percent of average     74                     71


LOWER GREEN RIVER

 HAMS FORK                7840      .4     1.1    36*    13.8    15.9    87
 HEWINTA                  9519     8.7     4.5   193     17.7    19.0    93
 HICKERSON PARK           9145     2.3     2.1   110     15.3    11.4   134
 HOLE-IN-ROCK             9150     2.0     1.7   118     15.0    10.9   138
 INDIAN CREEK             9425    21.2    23.7    89     22.4    31.0    72
 KELLEY R.S.              8180     8.3     9.1    91     17.6    24.9    71
 STEEL CREEK PARK        10200    21.1    18.1   117     22.0    21.6   102
                                                -----                  -----
                Basin wide percent of average    106                     92


UPPER BEAR RIVER

 BUG LAKE                 7950    11.2    10.9   103     19.2    23.8    81
 HAYDEN FORK              9212     6.9     7.3    95     23.8    26.8    89
 KELLEY R.S.              8180     8.3     9.1    91     17.6    24.9    71
 LILY LAKE                9156    11.3     6.3   179     20.0    22.6    88
 MONTE CRISTO             8960    18.1    22.7    80     24.6    32.2    76
 SALT RIVER SUMMIT        7760     5.1     4.9   104     15.8    22.8    69
 TRIAL LAKE               9992    20.6    23.2    89     21.4    31.3    68
                                                -----                  -----
                Basin wide percent of average     97                     77

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


 -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.