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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 11:23p, 5/22/18
Temperature 48.5°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 THURSDAY: MAY 13 , 2010
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030     2.7     7.9    34     16.0    25.3    63
 COTTONWOOD CREEK         7670    16.0    15.3   105     27.5    33.5    82
 GRAND TARGHEE            9260    44.8      -M      *    34.9      -M      *
 GRANITE CREEK            6770     2.6     9.0    29     15.0    23.3    64
 GRASSY LAKE              7265    19.7    28.3    70     31.0    42.4    73
 GROS VENTRE SUMMIT       8750     9.1    10.8    84     11.7    16.1    73
 GUNSIGHT PASS            9820    11.8      -M      *    14.7      -M      *
 LEWIS LAKE DIVIDE        7850    18.5    30.5    61     26.1    43.1    61
 PHILLIPS BENCH           8200    18.1    25.5    71     24.8    34.4    72
 SALT RIVER SUMMIT        7760     6.8     6.2   110     15.7    22.6    69
 SNAKE RIVER STATION      6920      .0     7.2     0     19.4    26.6    73
 SPRING CREEK DIVIDE      9000    23.3    25.9    90     23.3    31.3    74
 THUMB DIVIDE             7980     6.7    10.9    61     16.6    23.1    72
 TOGWOTEE PASS            9580    23.8    27.8    86       -M    30.4      *
 TWO OCEAN PLATEAU        9240    26.8    31.1    86     22.2    33.7    66
 WILLOW CREEK             8380    22.4    26.8    84     34.6    39.7    87
                                                -----                  -----
                Basin wide percent of average     75                     72


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    17.9    25.7    70     17.7    24.9    71
 BLACK BEAR               8170    28.1    37.5    75     31.7    47.6    67
 CANYON                   7870     7.5     8.0    94     14.1    18.7    75
 FISHER CREEK             9100    27.4    37.3    73     29.5    43.7    68
 MADISON PLATEAU          7750    17.0    20.9    81     25.0    31.7    79
 NORTHEAST ENTRANCE       7350      .6     4.4    14     11.5    15.8    73
 PARKER PEAK              9400    22.4    24.2    93     16.7    20.9    80
 SYLVAN LAKE              8420    14.3    21.3    67     22.1    26.2    84
 THUMB DIVIDE             7980     6.7    10.9    61     16.6    23.1    72
 TWO OCEAN PLATEAU        9240    26.8    31.1    86     22.2    33.7    66
 WHISKEY CREEK            6800     9.3    11.3    82     16.3    25.3    64
 WHITE MILL               8700    19.8    25.5    78     20.4    32.7    62
 WOLVERINE                7650      .0     4.2     0      9.6    16.4    59
                                                -----                  -----
                Basin wide percent of average     75                     70


WIND RIVER

 BURROUGHS CREEK          8750    11.7    11.1   105     12.8    20.5    62
 COLD SPRINGS             9630     9.4     4.0   235     17.6    15.2   116
 DEER PARK                9700    22.5    17.0   132     27.4    28.4    96
 HOBBS PARK              10100    25.5    17.3   147     26.0    18.5   141
 LITTLE WARM              9370    10.2     8.5   120     14.1    18.1    78
 SOUTH PASS               9040    19.4    15.1   128     25.4    24.2   105
 ST. LAWRENCE ALT         8620     9.9     4.5   220     19.2    13.4   143
 TOGWOTEE PASS            9580    23.8    27.8    86       -M    30.4      *
 TOWNSEND CREEK           8700    16.3     6.5   251     23.7    16.9   140
                                                -----                  -----
                Basin wide percent of average    133                    107


BIGHORN BASIN

 BALD MTN.                9380    19.0    23.5    81     15.7    23.0    68
 BEAR TRAP MEADOW         8200     5.4     1.1   491     12.4    12.1   102
 BLACKWATER               9780    22.9    28.8    80     21.5    26.2    82
 BONE SPRINGS DIV         9350    15.6    16.9    92     14.8    19.9    74
 EVENING STAR             9200    22.0    32.9    67     26.2    31.5    83
 GRAVE SPRINGS            8550    12.2     9.2   133     16.7    14.4   116
 KIRWIN                   9550    13.5    11.9   113     15.6    15.5   101
 MARQUETTE                8760    13.9     9.6   145     16.7    15.3   109
 MIDDLE POWDER            7760    13.9    11.9   117     13.0    17.2    76
 OWL CREEK                8975     3.9     2.8   139     11.2     9.2   122
 POWDER RIVER PASS        9480     9.4     8.8   107     15.1    17.3    87
 SHELL CREEK              9580    16.5    16.7    99     16.1    18.3    88
 SYLVAN LAKE              8420    14.3    21.3    67     22.1    26.2    84
 SYLVAN ROAD              7120      .0     3.7     0     15.9    21.6    74
 TIMBER CREEK             7950     5.7     2.8   204     13.3    12.0   111
 YOUNTS PEAK              8350    13.0    16.5    79     13.3    20.0    67
                                                -----                  -----
                Basin wide percent of average     92                     87


SHOSHONE RIVER

 BLACKWATER               9780    22.9    28.8    80     21.5    26.2    82
 EVENING STAR             9200    22.0    32.9    67     26.2    31.5    83
 KIRWIN                   9550    13.5    11.9   113     15.6    15.5   101
 MARQUETTE                8760    13.9     9.6   145     16.7    15.3   109
 SYLVAN LAKE              8420    14.3    21.3    67     22.1    26.2    84
 SYLVAN ROAD              7120      .0     3.7     0     15.9    21.6    74
 YOUNTS PEAK              8350    13.0    16.5    79     13.3    20.0    67
                                                -----                  -----
                Basin wide percent of average     80                     84


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     5.4     1.1   491     12.4    12.1   102
 BIG GOOSE                7990    13.5     9.7   139     17.7    14.5   122
 BONE SPRINGS DIV         9350    15.6    16.9    92     14.8    19.9    74
 BURGESS JUNCTION         7880    14.9    11.1   134     16.5    16.7    99
 CLOUD PEAK RESERVOIR     9860    19.7    15.4   128     19.3    18.9   102
 DOME LAKE                8880    14.0    11.2   125     19.0    18.4   103
 GRAVE SPRINGS            8550    12.2     9.2   133     16.7    14.4   116
 HANSEN SAWMILL           8360     6.2     3.0   207     13.9    12.1   115
 MIDDLE POWDER            7760    13.9    11.9   117     13.0    17.2    76
 POWDER RIVER PASS        9480     9.4     8.8   107     15.1    17.3    87
 SUCKER CREEK             8880    18.1    11.0   165     21.4    19.1   112
 TIE CREEK                6870     7.1     2.1   338     18.5    15.0   123
                                                -----                  -----
                Basin wide percent of average    135                    101


BELLE FOURCHE

 BLIND PARK               6890     2.8      .8   350*    17.7    15.6   113
 COLE CANYON              5910     4.1     1.2   342     16.8    10.9   154
 NORTH RAPID CREEK        6130     1.1      .9   122     16.6    12.5   133
                                                -----                  -----
                Basin wide percent of average    276                    131


UPPER N. PLATTE RIVER

 COLUMBINE                9160    18.4    15.1   122     28.8    30.4    95
 DIVIDE PEAK              8880    21.2    14.5   146     29.6    25.6   116
 ELK RIVER                8700    14.9     9.2   162     25.6    24.2   106
 JOE WRIGHT              10120    24.8    24.4   102     29.4    32.0    92
 NORTH FRENCH CREEK      10130    43.2    33.8   128     43.3    31.6   137
 OLD BATTLE              10000    42.2    36.4   116     45.1    41.7   108
 SAGE CREEK BASIN         7850     5.5     8.4    65     16.1    14.8   109
 SOUTH BRUSH CREEK        8440    12.6     7.6   166     24.9    21.5   116
 TOWER                   10500    42.5    52.1    82     40.8    47.3    86
 WEBBER SPRINGS           9250    24.4    20.0   122     35.2    32.6   108
 WILLOW CREEK PASS        9540    13.6    12.3   111     16.8    16.8   100
                                                -----                  -----
                Basin wide percent of average    113                    105


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    26.0    24.8   105     29.4    28.7   102
 CASPER MTN.              7900    16.9    13.2   128     19.9    21.3    93
 DEADMAN HILL            10220      -M    18.7      *      -M    22.5      *
 DEER PARK                9700    22.5    17.0   132     27.4    28.4    96
 LAPRELE CREEK            8375     6.6     4.3   153     18.1    17.9   101
 RENO HILL                8400    17.5    10.9   161     24.5    22.1   111
 ROACH                    9700    22.4    14.8   151     28.4    24.0   118
 SAND LAKE               10050    39.7    36.2   110     39.5    31.3   126
 SOUTH PASS               9040    19.4    15.1   128     25.4    24.2   105
 WINDY PEAK               7900     7.6     2.3   330     17.3    14.8   117
                                                -----                  -----
                Basin wide percent of average    129                    108


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .0     1.5     0     19.0    19.6    97
 DIVIDE PEAK              8880    21.2    14.5   146     29.6    25.6   116
 OLD BATTLE              10000    42.2    36.4   116     45.1    41.7   108
 SANDSTONE RS             8150     6.9     4.9   141     22.0    23.1    95
 WHISKEY PARK             8950    28.2    27.9   101     38.8    35.6   109
                                                -----                  -----
                Basin wide percent of average    116                    106


UPPER GREEN RIVER

 BIG SANDY OPENING        9080     8.7    10.2    85     12.4    16.9    73
 BLIND BULL SUM           8650    20.7    25.8    80     16.6    26.3    63
 EAST RIM DIVIDE          7930      .2    10.3     2      9.1    14.7    62
 ELKHART PARK G.S.        9400     7.8    10.3    76     11.5    17.1    67
 GROS VENTRE SUMMIT       8750     9.1    10.8    84     11.7    16.1    73
 GUNSIGHT PASS            9820    11.8      -M      *    14.7      -M      *
 KENDALL R.S.             7740      .1     5.2     2     10.6    17.3    61
 LOOMIS PARK              8240     4.3    10.8    40     13.0    20.9    62
 NEW FORK LAKE            8340     1.1     4.9    22      8.4    14.3    59
 POCKET CREEK             9360     8.6      -M      *    14.1      -M      *
 SNIDER BASIN             8060     8.0     8.9    90     15.8    19.3    82
 SPRING CREEK DIVIDE      9000    23.3    25.9    90     23.3    31.3    74
 TRIPLE PEAK              8500    18.2    18.9    96     26.9    30.0    90
                                                -----                  -----
                Basin wide percent of average     71                     71


LOWER GREEN RIVER

 HAMS FORK                7840     1.7     2.2    77     13.8    15.7    88
 HEWINTA                  9519     8.5     5.5   155     17.3    18.8    92
 HICKERSON PARK           9145     2.6     2.8    93     14.9    11.1   134
 HOLE-IN-ROCK             9150     2.0     2.3    87     14.5    10.7   136
 INDIAN CREEK             9425    21.7    25.0    87     22.2    30.7    72
 KELLEY R.S.              8180     9.3    10.3    90     17.4    24.6    71
 STEEL CREEK PARK        10200    20.5    18.6   110     21.5    21.4   100
                                                -----                  -----
                Basin wide percent of average     99                     91


UPPER BEAR RIVER

 BUG LAKE                 7950    12.2    12.5    98     19.1    23.5    81
 HAYDEN FORK              9212     7.0     8.6    81     23.4    26.4    89
 KELLEY R.S.              8180     9.3    10.3    90     17.4    24.6    71
 LILY LAKE                9156    11.3     7.4   153     19.7    22.3    88
 MONTE CRISTO             8960    18.8    24.1    78     24.5    31.9    77
 SALT RIVER SUMMIT        7760     6.8     6.2   110     15.7    22.6    69
 TRIAL LAKE               9992    20.3    24.3    84     21.0    30.9    68
                                                -----                  -----
                Basin wide percent of average     92                     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.