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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 2:48a, 5/21/18
Temperature 44.2°F
Wind 2.0 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 MONDAY: DECEMBER 17 , 2007
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030     4.7     6.1    77     11.1     8.3   134
 COTTONWOOD CREEK         7670     4.1     7.1    58      7.7    10.6    73
 GRAND TARGHEE            9260    16.4      -M      *    13.9      -M      *
 GRANITE CREEK            6770     2.5     5.4    46      8.4     7.4   114
 GRASSY LAKE              7265     7.8    11.0    71     15.4    13.3   116
 GROS VENTRE SUMMIT       8750     5.1     5.4    94      6.7     5.3   126
 GUNSIGHT PASS            9820     3.3      -M      *     6.3      -M      *
 LEWIS LAKE DIVIDE        7850     9.2    11.1    83     15.2    13.7   111
 PHILLIPS BENCH           8200     6.6     9.5    69     11.2    10.4   108
 SALT RIVER SUMMIT        7760      -M     4.0      *     3.7     6.9    54
 SNAKE RIVER STATION      6920     3.3     5.9    56     11.1     8.7   128
 SPRING CREEK DIVIDE      9000     4.7     9.8    48      6.1    10.1    60
 THUMB DIVIDE             7980     3.8     5.8    66      7.9     7.2   110
 TOGWOTEE PASS            9580    10.5     9.2   114     12.0     9.6   125
 TWO OCEAN PLATEAU        9240    14.2    10.9   130     13.6    10.9   125
 WILLOW CREEK             8380     5.7    10.9    52     11.2    12.4    90
                                                -----                  -----
                Basin wide percent of average     76                    105


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    10.8     9.3   116     10.4     8.0   130
 BLACK BEAR               8170    12.8    13.5    95     15.4    13.9   111
 CANYON                   7870     5.0     4.6   109      8.4     6.2   135
 FISHER CREEK             9100    16.4    12.9   127       -M    13.4      *
 MADISON PLATEAU          7750     7.6     8.8    86     11.7     9.9   118
 NORTHEAST ENTRANCE       7350     2.0     3.7    54      6.1     5.2   117
 PARKER PEAK              9400    10.1     8.6   117     10.6     6.9   154
 SYLVAN LAKE              8420     7.2     8.5    85     11.5     9.2   125
 THUMB DIVIDE             7980     3.8     5.8    66      7.9     7.2   110
 TWO OCEAN PLATEAU        9240    14.2    10.9   130     13.6    10.9   125
 WHISKEY CREEK            6800     4.2     5.7    74      9.6     7.9   122
 WHITE MILL               8700    10.8     9.1   119     11.5    10.4   111
 WOLVERINE                7650     3.0     4.3    70      6.7     5.8   116
                                                -----                  -----
                Basin wide percent of average    102                    122


WIND RIVER

 BURROUGHS CREEK          8750     6.8     5.3   128      9.6     6.4   150
 COLD SPRINGS             9630     1.2     3.9    31      4.0     5.0    80
 DEER PARK                9700     2.6     5.6    46      6.0     9.0    67
 HOBBS PARK              10100     3.0     6.6    45      5.1     5.5    93
 LITTLE WARM              9370     3.4     4.3    79      5.9     5.6   105
 SOUTH PASS               9040     2.2     6.8    32      5.2     7.7    68
 ST. LAWRENCE ALT         8620     1.5     3.3    45      3.1     4.1    76
 TOGWOTEE PASS            9580    10.5     9.2   114     12.0     9.6   125
 TOWNSEND CREEK           8700     1.4     3.7    38      4.3     5.3    81
                                                -----                  -----
                Basin wide percent of average     67                     95


BIGHORN BASIN

 BALD MTN.                9380     5.0     7.8    64      6.3     6.8    93
 BEAR TRAP MEADOW         8200     2.3     2.1   110      3.8     4.0    95
 BLACKWATER               9780    10.6    10.0   106     10.3     9.2   112
 BONE SPRINGS DIV         9350     4.7     6.5    72      5.6     6.0    93
 EVENING STAR             9200    11.5    11.2   103     13.5    10.6   127
 GRAVE SPRINGS            8550     2.6     3.1    84      4.3     4.2   102
 KIRWIN                   9550     6.0     5.1   118      7.3     5.0   146
 MARQUETTE                8760      .4     4.3     9      4.8     4.7   102
 MIDDLE POWDER            7760     2.7     4.6    59      3.8     5.8    66
 OWL CREEK                8975     2.1     2.3    91      3.9     2.5   156
 POWDER RIVER PASS        9480     3.4     4.3    79      5.4     5.0   108
 SHELL CREEK              9580     6.6     6.1   108      7.2     5.6   129
 SYLVAN LAKE              8420     7.2     8.5    85     11.5     9.2   125
 SYLVAN ROAD              7120     3.3     5.0    66     10.9     8.6   127
 TIMBER CREEK             7950      .7     2.6    27      4.6     3.4   135
 YOUNTS PEAK              8350     6.4     6.3   102      9.3     6.6   141
                                                -----                  -----
                Basin wide percent of average     84                    116


SHOSHONE RIVER

 BLACKWATER               9780    10.6    10.0   106     10.3     9.2   112
 EVENING STAR             9200    11.5    11.2   103     13.5    10.6   127
 KIRWIN                   9550     6.0     5.1   118      7.3     5.0   146
 MARQUETTE                8760      .4     4.3     9      4.8     4.7   102
 SYLVAN LAKE              8420     7.2     8.5    85     11.5     9.2   125
 SYLVAN ROAD              7120     3.3     5.0    66     10.9     8.6   127
 YOUNTS PEAK              8350     6.4     6.3   102      9.3     6.6   141
                                                -----                  -----
                Basin wide percent of average     90                    125


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     2.3     2.1   110      3.8     4.0    95
 BIG GOOSE                7990     2.8     3.4    82      5.8     3.9   149
 BONE SPRINGS DIV         9350     4.7     6.5    72      5.6     6.0    93
 BURGESS JUNCTION         7880     2.9     4.4    66      5.4     5.1   106
 CLOUD PEAK RESERVOIR     9860     5.0     4.7   106      7.0     5.6   125
 DOME LAKE                8880     3.5     5.0    70      6.9     5.9   117
 GRAVE SPRINGS            8550     2.6     3.1    84      4.3     4.2   102
 HANSEN SAWMILL           8360     2.7     2.6   104      4.9     3.7   132
 MIDDLE POWDER            7760     2.7     4.6    59      3.8     5.8    66
 POWDER RIVER PASS        9480     3.4     4.3    79      5.4     5.0   108
 SUCKER CREEK             8880     3.5     4.1    85      5.6     5.6   100
 TIE CREEK                6870      .5     1.5    33      4.3     4.4    98
                                                -----                  -----
                Basin wide percent of average     79                    106


BELLE FOURCHE

 BLIND PARK               6890     1.2     2.5    48      3.2     5.3    60
 COLE CANYON              5910      .6     2.7    22      2.4     3.4    71
 NORTH RAPID CREEK        6130     1.9     2.5    76      2.4     4.5    53
                                                -----                  -----
                Basin wide percent of average     48                     61


UPPER N. PLATTE RIVER

 COLUMBINE                9160     4.3     7.3    59      8.0     8.9    90
 DIVIDE PEAK              8880     6.7     7.0    96      7.9     8.1    98
 ELK RIVER                8700     4.7     4.9    96      7.7     7.0   110
 JOE WRIGHT              10120     8.0     7.9   101     10.1     9.8   103
 NORTH FRENCH CREEK      10130     9.3    10.5    89     10.4     9.7   107
 OLD BATTLE              10000     9.1    11.9    76     11.8    12.6    94
 SAGE CREEK BASIN         7850     4.1     4.1   100      6.0     4.7   128
 SOUTH BRUSH CREEK        8440     4.1     4.0   102      7.5     6.4   117
 TOWER                   10500     9.4    16.6    57     12.7    14.2    89
 WEBBER SPRINGS           9250     6.7     9.1    74      9.5    10.3    92
 WILLOW CREEK PASS        9540     6.0     4.6   130      7.1     5.4   131
                                                -----                  -----
                Basin wide percent of average     82                    102


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240     6.7     8.3    81      8.0     8.1    99
 CASPER MTN.              7900     2.0     5.8    34      5.7     6.3    90
 DEADMAN HILL            10220     6.5     6.3   103      6.6     6.5   102
 DEER PARK                9700     2.6     5.6    46      6.0     9.0    67
 LAPRELE CREEK            8375      .9     4.3    21      3.8     5.1    75
 RENO HILL                8400     3.5     5.5    64      5.5     6.1    90
 ROACH                    9700     6.3     5.7   111      8.2     6.8   121
 SAND LAKE               10050     9.3    12.1    77     10.0     9.3   108
 SOUTH PASS               9040     2.2     6.8    32      5.2     7.7    68
 WINDY PEAK               7900     1.9     3.0    63      3.7     4.6    80
                                                -----                  -----
                Basin wide percent of average     66                     90


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440     2.8     2.7   104      5.5     5.7    96
 DIVIDE PEAK              8880     6.7     7.0    96      7.9     8.1    98
 OLD BATTLE              10000     9.1    11.9    76     11.8    12.6    94
 SANDSTONE RS             8150     3.7     3.6   103      6.6     7.1    93
 WHISKEY PARK             8950     6.4     8.3    77     10.1    10.4    97
                                                -----                  -----
                Basin wide percent of average     86                     95


UPPER GREEN RIVER

 BIG SANDY OPENING        9080     2.7     5.5    49      3.6     5.4    67
 BLIND BULL SUM           8650     5.6    10.1    55      6.1     8.8    69
 EAST RIM DIVIDE          7930      -M     4.6      *     3.9     4.6    85
 ELKHART PARK G.S.        9400     2.8     4.9    57      4.5     5.5    82
 GROS VENTRE SUMMIT       8750     5.1     5.4    94      6.7     5.3   126
 GUNSIGHT PASS            9820     3.3      -M      *     6.3      -M      *
 KENDALL R.S.             7740     2.1     4.9    43      4.9     5.4    91
 LOOMIS PARK              8240     3.3     6.2    53      5.1     6.6    77
 NEW FORK LAKE            8340     2.1     4.1    51      3.7     4.8    77
 SNIDER BASIN             8060     1.6     5.3    30      3.5     6.1    57
 SPRING CREEK DIVIDE      9000     4.7     9.8    48      6.1    10.1    60
 TRIPLE PEAK              8500     5.1     9.1    56      8.1     8.8    92
                                                -----                  -----
                Basin wide percent of average     54                     79


LOWER GREEN RIVER

 HAMS FORK                7840      .9     3.9    23      2.8     4.6    61
 HEWINTA                  9519     1.0     3.0    33      5.9     6.0    98
 HICKERSON PARK           9145     1.2     2.1    57      3.8     3.7   103
 HOLE-IN-ROCK             9150      .8     2.0    40      4.2     3.4   124
 INDIAN CREEK             9425     4.0     9.6    42      4.9     9.5    52
 KELLEY R.S.              8180     2.0     6.0    33      4.7     7.8    60
 STEEL CREEK PARK        10200     2.0     5.3    38      6.5     6.3   103
                                                -----                  -----
                Basin wide percent of average     37                     79


UPPER BEAR RIVER

 BUG LAKE                 7950      -M     6.0      *     3.4     7.5    45
 HAYDEN FORK              9212     2.8     4.5    62      6.0     8.0    75
 KELLEY R.S.              8180     2.0     6.0    33      4.7     7.8    60
 LILY LAKE                9156     1.6     4.1    39      5.7     7.2    79
 MONTE CRISTO             8960     4.1     7.8    53      6.4     9.7    66
 SALT RIVER SUMMIT        7760      -M     4.0      *     3.7     6.9    54
 TRIAL LAKE               9992     4.0     7.9    51      5.8     8.9    65
                                                -----                  -----
                Basin wide percent of average     48                     64

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


 -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.