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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 4:43p, 5/21/18
Temperature 66.1°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 FRIDAY: DECEMBER 21 , 2007
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030     6.1     6.6    92     12.4     8.8   141
 COTTONWOOD CREEK         7670     5.6     7.8    72      8.9    11.3    79
 GRAND TARGHEE            9260    18.4      -M      *    14.8      -M      *
 GRANITE CREEK            6770     4.0     5.9    68      9.8     8.0   123
 GRASSY LAKE              7265    10.2    11.9    86     17.6    14.3   123
 GROS VENTRE SUMMIT       8750     5.9     5.8   102      7.1     5.6   127
 GUNSIGHT PASS            9820     3.7      -M      *     6.9      -M      *
 LEWIS LAKE DIVIDE        7850    11.8    12.0    98     17.7    14.6   121
 PHILLIPS BENCH           8200     8.3    10.3    81     12.7    11.1   114
 SALT RIVER SUMMIT        7760     2.2     4.3    51      4.7     7.4    64
 SNAKE RIVER STATION      6920     5.0     6.4    78     12.7     9.3   137
 SPRING CREEK DIVIDE      9000     6.0    10.5    57      7.2    10.8    67
 THUMB DIVIDE             7980     5.4     6.2    87      9.3     7.6   122
 TOGWOTEE PASS            9580    11.7     9.8   119     13.3    10.2   130
 TWO OCEAN PLATEAU        9240    16.4    11.5   143     15.5    11.6   134
 WILLOW CREEK             8380     7.3    11.8    62     13.1    13.2    99
                                                -----                  -----
                Basin wide percent of average     88                    113


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    11.9     9.7   123     11.4     8.5   134
 BLACK BEAR               8170    17.3    14.3   121     19.2    14.8   130
 CANYON                   7870     6.2     4.9   127      9.4     6.6   142
 FISHER CREEK             9100    18.8    13.6   138     17.5    14.3   122
 MADISON PLATEAU          7750    10.3     9.2   112     14.4    10.6   136
 NORTHEAST ENTRANCE       7350     2.3     4.0    57      6.4     5.5   116
 PARKER PEAK              9400    11.4     9.0   127     11.4     7.2   158
 SYLVAN LAKE              8420     8.1     9.0    90     12.5     9.7   129
 THUMB DIVIDE             7980     5.4     6.2    87      9.3     7.6   122
 TWO OCEAN PLATEAU        9240    16.4    11.5   143     15.5    11.6   134
 WHISKEY CREEK            6800     6.1     6.0   102     11.5     8.4   137
 WHITE MILL               8700    11.8     9.5   124     11.9    11.0   108
 WOLVERINE                7650     3.4     4.6    74      6.9     6.1   113
                                                -----                  -----
                Basin wide percent of average    116                    129


WIND RIVER

 BURROUGHS CREEK          8750     7.5     5.6   134     10.2     6.8   150
 COLD SPRINGS             9630     1.6     4.1    39      4.4     5.2    85
 DEER PARK                9700     4.1     5.9    69      7.6     9.4    81
 HOBBS PARK              10100     3.8     6.8    56      5.6     5.7    98
 LITTLE WARM              9370     3.7     4.5    82      6.3     5.9   107
 SOUTH PASS               9040     3.5     7.0    50      6.4     8.1    79
 ST. LAWRENCE ALT         8620     1.9     3.4    56      3.4     4.2    81
 TOGWOTEE PASS            9580    11.7     9.8   119     13.3    10.2   130
 TOWNSEND CREEK           8700     2.0     3.8    53      4.8     5.5    87
                                                -----                  -----
                Basin wide percent of average     78                    102


BIGHORN BASIN

 BALD MTN.                9380     5.2     8.3    63      6.5     7.2    90
 BEAR TRAP MEADOW         8200     2.5     2.2   114      3.9     4.1    95
 BLACKWATER               9780    11.4    10.5   109     10.9     9.6   114
 BONE SPRINGS DIV         9350     4.9     6.8    72      5.6     6.3    89
 EVENING STAR             9200    12.7    11.8   108     14.2    11.2   127
 GRAVE SPRINGS            8550     2.8     3.4    82      4.4     4.3   102
 KIRWIN                   9550     6.3     5.3   119      7.4     5.2   142
 MARQUETTE                8760      .5     4.4    11      4.7     4.9    96
 MIDDLE POWDER            7760     2.8     4.9    57      3.9     6.1    64
 OWL CREEK                8975     2.2     2.4    92      3.9     2.6   150
 POWDER RIVER PASS        9480     3.5     4.5    78      5.6     5.3   106
 SHELL CREEK              9580     6.7     6.4   105      7.3     5.8   126
 SYLVAN LAKE              8420     8.1     9.0    90     12.5     9.7   129
 SYLVAN ROAD              7120     4.0     5.2    77     11.6     9.0   129
 TIMBER CREEK             7950      .9     2.8    32      4.5     3.5   129
 YOUNTS PEAK              8350     7.3     6.6   111      9.8     7.0   140
                                                -----                  -----
                Basin wide percent of average     87                    115


SHOSHONE RIVER

 BLACKWATER               9780    11.4    10.5   109     10.9     9.6   114
 EVENING STAR             9200    12.7    11.8   108     14.2    11.2   127
 KIRWIN                   9550     6.3     5.3   119      7.4     5.2   142
 MARQUETTE                8760      .5     4.4    11      4.7     4.9    96
 SYLVAN LAKE              8420     8.1     9.0    90     12.5     9.7   129
 SYLVAN ROAD              7120     4.0     5.2    77     11.6     9.0   129
 YOUNTS PEAK              8350     7.3     6.6   111      9.8     7.0   140
                                                -----                  -----
                Basin wide percent of average     95                    126


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     2.5     2.2   114      3.9     4.1    95
 BIG GOOSE                7990     2.9     3.6    81      5.9     4.1   144
 BONE SPRINGS DIV         9350     4.9     6.8    72      5.6     6.3    89
 BURGESS JUNCTION         7880     3.1     4.8    65      5.3     5.4    98
 CLOUD PEAK RESERVOIR     9860     5.1     5.0   102      7.2     5.8   124
 DOME LAKE                8880     3.6     5.3    68      7.0     6.2   113
 GRAVE SPRINGS            8550     2.8     3.4    82      4.4     4.3   102
 HANSEN SAWMILL           8360     2.8     2.7   104      5.0     3.9   128
 MIDDLE POWDER            7760     2.8     4.9    57      3.9     6.1    64
 POWDER RIVER PASS        9480     3.5     4.5    78      5.6     5.3   106
 SUCKER CREEK             8880     3.6     4.4    82      5.8     5.8   100
 TIE CREEK                6870      .6     1.8    33      4.3     4.6    93
                                                -----                  -----
                Basin wide percent of average     77                    103


BELLE FOURCHE

 BLIND PARK               6890     1.4     2.7    52      3.4     5.5    62
 COLE CANYON              5910      .7     2.8    25      2.4     3.6    67
 NORTH RAPID CREEK        6130     2.2     2.7    81      2.7     4.7    57
                                                -----                  -----
                Basin wide percent of average     52                     62


UPPER N. PLATTE RIVER

 COLUMBINE                9160     5.0     7.9    63      8.7     9.5    92
 DIVIDE PEAK              8880     7.6     7.6   100      8.6     8.6   100
 ELK RIVER                8700     5.4     5.5    98      8.3     7.4   112
 JOE WRIGHT              10120     8.3     8.3   100     10.4    10.3   101
 NORTH FRENCH CREEK      10130    10.0    11.2    89     10.8    10.2   106
 OLD BATTLE              10000    10.7    12.6    85     13.7    13.4   102
 SAGE CREEK BASIN         7850     5.1     4.4   116      7.0     5.0   140
 SOUTH BRUSH CREEK        8440     4.4     4.3   102      7.7     6.7   115
 TOWER                   10500    10.3    17.5    59     13.7    15.1    91
 WEBBER SPRINGS           9250     7.9     9.7    81     10.6    11.0    96
 WILLOW CREEK PASS        9540     6.2     4.8   129      7.3     5.7   128
                                                -----                  -----
                Basin wide percent of average     86                    104


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240     7.3     8.9    82      8.5     8.6    99
 CASPER MTN.              7900     2.4     6.1    39      5.9     6.5    91
 DEADMAN HILL            10220     6.8     6.6   103      6.8     6.9    99
 DEER PARK                9700     4.1     5.9    69      7.6     9.4    81
 LAPRELE CREEK            8375     1.1     4.5    24      3.9     5.4    72
 RENO HILL                8400     3.6     5.7    63      5.6     6.4    87
 ROACH                    9700     6.7     6.1   110      8.7     7.2   121
 SAND LAKE               10050     9.9    12.8    77     10.6     9.9   107
 SOUTH PASS               9040     3.5     7.0    50      6.4     8.1    79
 WINDY PEAK               7900     2.0     3.1    65      3.8     4.9    78
                                                -----                  -----
                Basin wide percent of average     71                     92


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440     3.6     3.0   120      6.5     6.0   108
 DIVIDE PEAK              8880     7.6     7.6   100      8.6     8.6   100
 OLD BATTLE              10000    10.7    12.6    85     13.7    13.4   102
 SANDSTONE RS             8150     5.1     4.0   127      7.9     7.5   105
 WHISKEY PARK             8950     7.7     9.0    86     11.7    11.1   105
                                                -----                  -----
                Basin wide percent of average     96                    104


UPPER GREEN RIVER

 BIG SANDY OPENING        9080     4.0     5.9    68      4.9     5.7    86
 BLIND BULL SUM           8650     7.2    10.9    66      7.3     9.4    78
 EAST RIM DIVIDE          7930     1.7     4.9    35      4.4     4.8    92
 ELKHART PARK G.S.        9400     3.6     5.3    68      5.0     5.8    86
 GROS VENTRE SUMMIT       8750     5.9     5.8   102      7.1     5.6   127
 GUNSIGHT PASS            9820     3.7      -M      *     6.9      -M      *
 KENDALL R.S.             7740     3.2     5.3    60      5.5     5.7    96
 LOOMIS PARK              8240     4.4     6.7    66      6.2     7.0    89
 NEW FORK LAKE            8340     2.6     4.4    59      4.1     5.1    80
 SNIDER BASIN             8060     2.5     5.7    44      4.2     6.6    64
 SPRING CREEK DIVIDE      9000     6.0    10.5    57      7.2    10.8    67
 TRIPLE PEAK              8500     6.7     9.8    68      9.7     9.3   104
                                                -----                  -----
                Basin wide percent of average     64                     87


LOWER GREEN RIVER

 HAMS FORK                7840     1.7     4.3    40      3.3     4.9    67
 HEWINTA                  9519     1.5     3.3    45      6.3     6.3   100
 HICKERSON PARK           9145     1.4     2.3    61      4.0     3.9   103
 HOLE-IN-ROCK             9150     1.0     2.2    45      4.3     3.5   123
 INDIAN CREEK             9425     5.8    10.3    56      6.4    10.1    63
 KELLEY R.S.              8180     3.5     6.4    55      6.0     8.3    72
 STEEL CREEK PARK        10200     2.5     5.6    45      6.9     6.6   105
                                                -----                  -----
                Basin wide percent of average     51                     85


UPPER BEAR RIVER

 BUG LAKE                 7950     2.7     6.5    42      4.5     7.9    57
 HAYDEN FORK              9212     3.6     5.0    72      6.6     8.5    78
 KELLEY R.S.              8180     3.5     6.4    55      6.0     8.3    72
 LILY LAKE                9156     2.0     4.5    44      6.0     7.6    79
 MONTE CRISTO             8960     5.6     8.6    65      7.3    10.3    71
 SALT RIVER SUMMIT        7760     2.2     4.3    51      4.7     7.4    64
 TRIAL LAKE               9992     5.3     8.5    62      6.8     9.4    72
                                                -----                  -----
                Basin wide percent of average     57                     71

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


 -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.