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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


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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: DECEMBER 23 , 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     6.9    88     12.5     9.0   139
 COTTONWOOD CREEK         7670     5.8     8.1    72      9.1    11.6    78
 GRAND TARGHEE            9260    18.7      -M      *    14.9      -M      *
 GRANITE CREEK            6770     4.0     6.2    65      9.8     8.2   120
 GRASSY LAKE              7265    10.1    12.4    81     17.7    14.7   120
 GROS VENTRE SUMMIT       8750     5.8     5.9    98      7.3     5.7   128
 GUNSIGHT PASS            9820     3.7      -M      *     6.9      -M      *
 LEWIS LAKE DIVIDE        7850    11.9    12.4    96     17.9    15.1   119
 PHILLIPS BENCH           8200     8.3    10.7    78     12.8    11.5   111
 SALT RIVER SUMMIT        7760     2.1     4.5    47      4.6     7.6    61
 SNAKE RIVER STATION      6920     4.9     6.6    74     12.6     9.6   131
 SPRING CREEK DIVIDE      9000     5.9    10.8    55      7.2    11.1    65
 THUMB DIVIDE             7980     5.3     6.4    83      9.2     7.9   116
 TOGWOTEE PASS            9580    11.6    10.1   115     13.2    10.5   126
 TWO OCEAN PLATEAU        9240    16.7    11.8   142     15.6    11.9   131
 WILLOW CREEK             8380     7.6    12.2    62     13.4    13.5    99
                                                -----                  -----
                Basin wide percent of average     85                    110


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    12.0    10.0   120     11.5     8.8   131
 BLACK BEAR               8170    17.3    14.9   116     19.2    15.3   125
 CANYON                   7870     6.3     5.1   124      9.4     6.8   138
 FISHER CREEK             9100    19.1    14.1   135     17.6    14.8   119
 MADISON PLATEAU          7750    10.4     9.6   108     14.3    10.9   131
 NORTHEAST ENTRANCE       7350     2.3     4.2    55      6.4     5.7   112
 PARKER PEAK              9400    11.6     9.2   126     11.2     7.4   151
 SYLVAN LAKE              8420     8.1     9.3    87     12.4     9.9   125
 THUMB DIVIDE             7980     5.3     6.4    83      9.2     7.9   116
 TWO OCEAN PLATEAU        9240    16.7    11.8   142     15.6    11.9   131
 WHISKEY CREEK            6800     6.1     6.3    97     11.7     8.6   136
 WHITE MILL               8700    11.9     9.8   121     11.8    11.3   104
 WOLVERINE                7650     3.5     4.8    73      7.1     6.3   113
                                                -----                  -----
                Basin wide percent of average    113                    125


WIND RIVER

 BURROUGHS CREEK          8750     7.5     5.8   129     10.2     7.0   146
 COLD SPRINGS             9630     1.7     4.2    40      4.5     5.2    87
 DEER PARK                9700     4.3     6.0    72      7.8     9.7    80
 HOBBS PARK              10100     4.1     7.0    59      5.9     5.8   102
 LITTLE WARM              9370     3.8     4.7    81      6.4     6.0   107
 SOUTH PASS               9040     3.7     7.3    51      6.7     8.3    81
 ST. LAWRENCE ALT         8620     1.9     3.5    54      3.6     4.3    84
 TOGWOTEE PASS            9580    11.6    10.1   115     13.2    10.5   126
 TOWNSEND CREEK           8700     2.3     3.9    59      5.3     5.6    95
                                                -----                  -----
                Basin wide percent of average     78                    102


BIGHORN BASIN

 BALD MTN.                9380     5.5     8.5    65      6.7     7.4    91
 BEAR TRAP MEADOW         8200     2.8     2.3   122      4.2     4.2   100
 BLACKWATER               9780    11.5    10.7   107     11.0     9.8   112
 BONE SPRINGS DIV         9350     5.3     6.9    77      5.9     6.5    91
 EVENING STAR             9200    12.9    12.0   108     14.2    11.4   125
 GRAVE SPRINGS            8550     3.0     3.6    83      4.7     4.4   107
 KIRWIN                   9550     6.4     5.4   119      7.5     5.3   142
 MARQUETTE                8760     1.2     4.5    27      5.3     4.9   108
 MIDDLE POWDER            7760     3.3     5.1    65      4.3     6.2    69
 OWL CREEK                8975     2.4     2.4   100      4.1     2.7   152
 POWDER RIVER PASS        9480     3.8     4.5    84      5.8     5.4   107
 SHELL CREEK              9580     6.9     6.6   105      7.4     6.0   123
 SYLVAN LAKE              8420     8.1     9.3    87     12.4     9.9   125
 SYLVAN ROAD              7120     4.0     5.4    74     11.7     9.2   127
 TIMBER CREEK             7950     1.5     2.8    54      5.1     3.5   146
 YOUNTS PEAK              8350     7.3     6.8   107      9.8     7.2   136
                                                -----                  -----
                Basin wide percent of average     89                    115


SHOSHONE RIVER

 BLACKWATER               9780    11.5    10.7   107     11.0     9.8   112
 EVENING STAR             9200    12.9    12.0   108     14.2    11.4   125
 KIRWIN                   9550     6.4     5.4   119      7.5     5.3   142
 MARQUETTE                8760     1.2     4.5    27      5.3     4.9   108
 SYLVAN LAKE              8420     8.1     9.3    87     12.4     9.9   125
 SYLVAN ROAD              7120     4.0     5.4    74     11.7     9.2   127
 YOUNTS PEAK              8350     7.3     6.8   107      9.8     7.2   136
                                                -----                  -----
                Basin wide percent of average     95                    125


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     2.8     2.3   122      4.2     4.2   100
 BIG GOOSE                7990     3.2     3.8    84      6.3     4.2   150
 BONE SPRINGS DIV         9350     5.3     6.9    77      5.9     6.5    91
 BURGESS JUNCTION         7880     3.6     4.9    73      6.2     5.5   113
 CLOUD PEAK RESERVOIR     9860     5.5     5.1   108      7.3     5.9   124
 DOME LAKE                8880     3.9     5.4    72      7.3     6.3   116
 GRAVE SPRINGS            8550     3.0     3.6    83      4.7     4.4   107
 HANSEN SAWMILL           8360     2.7     2.8    96      4.9     4.0   123
 MIDDLE POWDER            7760     3.3     5.1    65      4.3     6.2    69
 POWDER RIVER PASS        9480     3.8     4.5    84      5.8     5.4   107
 SUCKER CREEK             8880     4.0     4.6    87      6.0     6.0   100
 TIE CREEK                6870     1.1     2.1    52      4.9     4.7   104
                                                -----                  -----
                Basin wide percent of average     83                    107


BELLE FOURCHE

 BLIND PARK               6890     1.3     2.8    46      3.4     5.6    61
 COLE CANYON              5910      .9     2.9    31      2.7     3.6    75
 NORTH RAPID CREEK        6130     2.1     2.8    75      2.5     4.8    52
                                                -----                  -----
                Basin wide percent of average     51                     61


UPPER N. PLATTE RIVER

 COLUMBINE                9160     5.1     8.2    62      8.8     9.8    90
 DIVIDE PEAK              8880     8.1     7.8   104      9.0     8.8   102
 ELK RIVER                8700     5.7     5.8    98      8.5     7.6   112
 JOE WRIGHT              10120     8.4     8.5    99     10.6    10.5   101
 NORTH FRENCH CREEK      10130    10.1    11.6    87     11.4    10.5   109
 OLD BATTLE              10000    10.9    13.0    84     13.6    13.8    99
 SAGE CREEK BASIN         7850     5.8     4.5   129      7.3     5.1   143
 SOUTH BRUSH CREEK        8440     4.6     4.4   105      7.8     6.9   113
 TOWER                   10500    10.6    18.0    59     14.0    15.5    90
 WEBBER SPRINGS           9250     8.1    10.0    81     10.8    11.4    95
 WILLOW CREEK PASS        9540     6.3     5.0   126      7.5     5.8   129
                                                -----                  -----
                Basin wide percent of average     86                    103


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240     7.3     9.2    79      8.6     8.9    97
 CASPER MTN.              7900     3.2     6.2    52      6.3     6.7    94
 DEADMAN HILL            10220     6.8     6.8   100      6.9     7.0    99
 DEER PARK                9700     4.3     6.0    72      7.8     9.7    80
 LAPRELE CREEK            8375     1.1     4.7    23      4.0     5.5    73
 RENO HILL                8400     4.3     5.9    73      6.1     6.5    94
 ROACH                    9700     7.1     6.3   113      9.0     7.4   122
 SAND LAKE               10050    10.1    13.2    77     10.7    10.2   105
 SOUTH PASS               9040     3.7     7.3    51      6.7     8.3    81
 WINDY PEAK               7900     2.1     3.2    66      3.7     5.0    74
                                                -----                  -----
                Basin wide percent of average     73                     93


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440     4.1     3.1   132      6.8     6.2   110
 DIVIDE PEAK              8880     8.1     7.8   104      9.0     8.8   102
 OLD BATTLE              10000    10.9    13.0    84     13.6    13.8    99
 SANDSTONE RS             8150     5.1     4.2   121      8.2     7.7   106
 WHISKEY PARK             8950     7.9     9.3    85     11.9    11.4   104
                                                -----                  -----
                Basin wide percent of average     97                    103


UPPER GREEN RIVER

 BIG SANDY OPENING        9080     4.0     6.0    67      4.9     5.9    83
 BLIND BULL SUM           8650     7.2    11.3    64      7.3     9.7    75
 EAST RIM DIVIDE          7930     1.6     5.1    31      4.3     5.0    86
 ELKHART PARK G.S.        9400     3.6     5.4    67      5.0     6.0    83
 GROS VENTRE SUMMIT       8750     5.8     5.9    98      7.3     5.7   128
 GUNSIGHT PASS            9820     3.7      -M      *     6.9      -M      *
 KENDALL R.S.             7740     3.1     5.5    56      5.5     5.9    93
 LOOMIS PARK              8240     4.3     6.9    62      6.1     7.2    85
 NEW FORK LAKE            8340     2.6     4.6    57      3.8     5.2    73
 SNIDER BASIN             8060     2.5     5.9    42      4.3     6.8    63
 SPRING CREEK DIVIDE      9000     5.9    10.8    55      7.2    11.1    65
 TRIPLE PEAK              8500     6.8    10.2    67      9.7     9.6   101
                                                -----                  -----
                Basin wide percent of average     61                     84


LOWER GREEN RIVER

 HAMS FORK                7840     1.7     4.5    38      3.4     5.0    68
 HEWINTA                  9519     1.6     3.4    47      6.5     6.4   102
 HICKERSON PARK           9145     1.4     2.4    58      4.1     3.9   105
 HOLE-IN-ROCK             9150     1.1     2.3    48      4.4     3.6   122
 INDIAN CREEK             9425     5.7    10.7    53      6.4    10.5    61
 KELLEY R.S.              8180     3.4     6.6    52      6.0     8.6    70
 STEEL CREEK PARK        10200     2.9     5.8    50      7.1     6.8   104
                                                -----                  -----
                Basin wide percent of average     50                     85


UPPER BEAR RIVER

 BUG LAKE                 7950     2.6     6.8    38      4.7     8.1    58
 HAYDEN FORK              9212     3.7     5.2    71      7.1     8.7    82
 KELLEY R.S.              8180     3.4     6.6    52      6.0     8.6    70
 LILY LAKE                9156     2.2     4.6    48      6.5     7.7    84
 MONTE CRISTO             8960     5.7     9.0    63      7.6    10.6    72
 SALT RIVER SUMMIT        7760     2.1     4.5    47      4.6     7.6    61
 TRIAL LAKE               9992     5.4     8.9    61      7.5     9.7    77
                                                -----                  -----
                Basin wide percent of average     55                     72

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


 -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.