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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 5:13p, 5/22/18
Temperature 63.0°F
Wind 10.0 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: DECEMBER 18 , 2011
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030     5.4     6.3    86      8.8     8.5   104
 COTTONWOOD CREEK         7670     4.0     7.4    54      8.7    11.0    79
 GRAND TARGHEE            9260    11.2      -M      *    10.3      -M      *
 GRANITE CREEK            6770     3.6     5.7    63      5.5     7.7    71
 GRASSY LAKE              7265     5.9    11.5    51     10.9    13.8    79
 GROS VENTRE SUMMIT       8750     3.3     5.6    59      4.7     5.5    85
 GUNSIGHT PASS            9820     4.2      -M      *     5.6      -M      *
 LEWIS LAKE DIVIDE        7850     6.6    11.5    57     11.4    14.1    81
 PHILLIPS BENCH           8200     5.0     9.9    51      7.5    10.7    70
 SALT RIVER SUMMIT        7760     3.0     4.1    73      4.5     7.1    63
 SNAKE RIVER STATION      6920     4.5     6.2    73      9.0     9.0   100
 SPRING CREEK DIVIDE      9000     5.4    10.1    53      7.1    10.4    68
 THUMB DIVIDE             7980     4.5     6.0    75      7.2     7.4    97
 TOGWOTEE PASS            9580     7.1     9.5    75      8.8     9.9    89
 TWO OCEAN PLATEAU        9240    11.4    11.2   102     10.3    11.2    92
 WILLOW CREEK             8380     5.9    11.4    52     11.4    12.8    89
                                                -----                  -----
                Basin wide percent of average     65                     83


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360     8.2     9.5    86      8.4     8.3   101
 BLACK BEAR               8170     9.3    13.9    67     12.0    14.4    83
 CANYON                   7870     3.4     4.8    71      5.4     6.4    84
 FISHER CREEK             9100    10.9    13.3    82     12.8    13.8    93
 MADISON PLATEAU          7750     6.0     9.0    67     10.1    10.3    98
 NORTHEAST ENTRANCE       7350     2.3     3.9    59      4.5     5.4    83
 PARKER PEAK              9400     8.0     8.8    91      9.8     7.1   138
 SYLVAN LAKE              8420     5.4     8.7    62      9.8     9.4   104
 THUMB DIVIDE             7980     4.5     6.0    75      7.2     7.4    97
 TWO OCEAN PLATEAU        9240    11.4    11.2   102     10.3    11.2    92
 WHISKEY CREEK            6800     4.3     5.9    73      7.8     8.1    96
 WHITE MILL               8700     6.2     9.3    67      8.2    10.7    77
 WOLVERINE                7650     4.7     4.4   107      6.2     6.0   103
                                                -----                  -----
                Basin wide percent of average     78                     95


WIND RIVER

 BURROUGHS CREEK          8750     3.7     5.4    69      4.5     6.6    68
 CASTLE CREEK             8400     2.2      -M      *     3.1      -M      *
 COLD SPRINGS             9630     3.4     4.0    85      4.6     5.1    90
 DEER PARK                9700     3.9     5.7    68      7.0     9.2    76
 HOBBS PARK              10100     6.3     6.7    94      6.4     5.6   114
 LITTLE WARM              9370     2.9     4.4    66      5.0     5.8    86
 SOUTH PASS               9040     4.6     6.9    67      5.8     7.9    73
 ST. LAWRENCE ALT         8620     2.2     3.3    67      3.5     4.2    83
 TOGWOTEE PASS            9580     7.1     9.5    75      8.8     9.9    89
 TOWNSEND CREEK           8700     3.3     3.8    87      5.9     5.4   109
                                                -----                  -----
                Basin wide percent of average     75                     86


BIGHORN BASIN

 BALD MTN.                9380     8.0     8.0   100      7.1     7.0   101
 BEAR TRAP MEADOW         8200     2.4     2.2   109      4.3     4.0   108
 BLACKWATER               9780    10.3    10.2   101      9.9     9.4   105
 BONE SPRINGS DIV         9350     8.2     6.6   124      7.7     6.2   124
 EVENING STAR             9200     8.7    11.5    76     11.7    10.9   107
 GRAVE SPRINGS            8550     2.8     3.3    85      4.8     4.2   114
 KIRWIN                   9550     5.8     5.2   112      7.1     5.1   139
 MARQUETTE                8760     3.0      -M      *     7.2     4.8   150
 MIDDLE POWDER            7760     3.8     4.8    79      6.6     6.0   110
 OWL CREEK                8975     2.2     2.3    96      3.1     2.6   119
 POWDER RIVER PASS        9480     4.5     4.3   105      6.1     5.2   117
 SHELL CREEK              9580     7.8     6.3   124      7.0     5.7   123
 SYLVAN LAKE              8420     5.4     8.7    62      9.8     9.4   104
 SYLVAN ROAD              7120     3.8     5.0    76      7.0     8.8    80
 TIMBER CREEK             7950     2.6     2.7    96      6.0     3.4   176
 YOUNTS PEAK              8350     5.1     6.4    80      6.4     6.8    94
                                                -----                  -----
                Basin wide percent of average     93                    112


SHOSHONE RIVER

 BLACKWATER               9780    10.3    10.2   101      9.9     9.4   105
 EVENING STAR             9200     8.7    11.5    76     11.7    10.9   107
 KIRWIN                   9550     5.8     5.2   112      7.1     5.1   139
 MARQUETTE                8760     3.0      -M      *     7.2     4.8   150
 SYLVAN LAKE              8420     5.4     8.7    62      9.8     9.4   104
 SYLVAN ROAD              7120     3.8     5.0    76      7.0     8.8    80
 YOUNTS PEAK              8350     5.1     6.4    80      6.4     6.8    94
                                                -----                  -----
                Basin wide percent of average     83                    107


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     2.4     2.2   109      4.3     4.0   108
 BIG GOOSE                7990     4.6     3.5   131      8.4     4.0   210
 BONE SPRINGS DIV         9350     8.2     6.6   124      7.7     6.2   124
 BURGESS JUNCTION         7880     5.4     4.6   117      8.2     5.2   158
 CLOUD PEAK RESERVOIR     9860     6.4     4.8   133      8.0     5.7   140
 DOME LAKE                8880     5.3     5.1   104      8.6     6.0   143
 GRAVE SPRINGS            8550     2.8     3.3    85      4.8     4.2   114
 HANSEN SAWMILL           8360     2.8     2.7   104      4.5     3.8   118
 LITTLE GOOSE             8870     5.3      -M      *     9.3      -M      *
 MIDDLE POWDER            7760     3.8     4.8    79      6.6     6.0   110
 POWDER RIVER PASS        9480     4.5     4.3   105      6.1     5.2   117
 SOLDIER PARK             8720     4.1      -M      *     5.8      -M      *
 SUCKER CREEK             8880     7.3     4.2   174      8.3     5.7   146
 TIE CREEK                6870     3.4     1.6   212      8.7     4.5   193
                                                -----                  -----
                Basin wide percent of average    119                    139


BELLE FOURCHE

 BLIND PARK               6890     2.4     2.6    92      3.3     5.4    61
 COLE CANYON              5910     2.0     2.8    71      3.5     3.5   100
 NORTH RAPID CREEK        6130     3.1     2.6   119      2.9     4.6    63
                                                -----                  -----
                Basin wide percent of average     94                     72


UPPER N. PLATTE RIVER

 BLACKHALL MTN            9820     9.2      -M      *    10.8      -M      *
 CINNABAR PARK            9574     5.5     7.8    71      8.5     9.0    94
 COLUMBINE                9160     5.4     7.6    71      7.6     9.2    83
 DIVIDE PEAK              8880     6.3     7.3    86      9.7     8.3   117
 ELK RIVER                8700     4.7     5.2    90      6.5     7.2    90
 JOE WRIGHT              10120     6.5     8.1    80      9.4    10.0    94
 NORTH FRENCH CREEK      10130     7.0    10.9    64      7.9     9.9    80
 OLD BATTLE              10000     9.7    12.3    79     12.0    13.0    92
 SAGE CREEK BASIN         7850     5.8     4.2   138      5.2     4.8   108
 SOUTH BRUSH CREEK        8440     2.5     4.1    61      5.4     6.6    82
 TOWER                   10500    10.0    17.1    58     12.2    14.6    84
 WEBBER SPRINGS           9250     6.8     9.4    72     10.2    10.7    95
 WILLOW CREEK PASS        9540     4.0     4.7    85      4.3     5.6    77
                                                -----                  -----
                Basin wide percent of average     75                     91


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240     5.0     8.6    58      7.0     8.4    83
 CASPER MTN.              7900     6.1     6.0   102      8.9     6.4   139
 DEADMAN HILL            10220     9.0     6.4   141      7.9     6.7   118
 DEER PARK                9700     3.9     5.7    68      7.0     9.2    76
 LAPRELE CREEK            8375     2.7     4.4    61      5.2     5.3    98
 RENO HILL                8400     5.5     5.6    98      7.2     6.2   116
 ROACH                    9700     6.1     5.9   103      8.4     7.0   120
 SAND LAKE               10050     8.9    12.5    71      9.3     9.6    97
 SOUTH PASS               9040     4.6     6.9    67      5.8     7.9    73
 WINDY PEAK               7900     2.5     3.1    81      4.0     4.8    83
                                                -----                  -----
                Basin wide percent of average     83                     99


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440     4.2     2.8   150      5.4     5.9    92
 DIVIDE PEAK              8880     6.3     7.3    86      9.7     8.3   117
 OLD BATTLE              10000     9.7    12.3    79     12.0    13.0    92
 SANDSTONE RS             8150     2.9     3.8    76      5.2     7.3    71
 WHISKEY PARK             8950     6.0     8.6    70      9.9    10.8    92
                                                -----                  -----
                Basin wide percent of average     84                     93


UPPER GREEN RIVER

 BIG SANDY OPENING        9080     3.3     5.7    58      4.1     5.6    73
 BLIND BULL SUM           8650     5.4    10.5    51      5.8     9.1    64
 EAST RIM DIVIDE          7930     2.9     4.7    62      4.5     4.7    96
 ELKHART PARK G.S.        9400     3.5     5.1    69      5.3     5.7    93
 GROS VENTRE SUMMIT       8750     3.3     5.6    59      4.7     5.5    85
 GUNSIGHT PASS            9820     4.2      -M      *     5.6      -M      *
 KENDALL R.S.             7740     3.7     5.1    73      5.4     5.5    98
 LOOMIS PARK              8240     3.6     6.5    55      5.8     6.8    85
 NEW FORK LAKE            8340     3.7     4.3    86      4.7     4.9    96
 POCKET CREEK             9360     2.1      -M      *     4.1      -M      *
 SNIDER BASIN             8060     2.9     5.5    53      4.0     6.4    62
 SPRING CREEK DIVIDE      9000     5.4    10.1    53      7.1    10.4    68
 TRIPLE PEAK              8500     5.7     9.5    60      8.0     9.1    88
                                                -----                  -----
                Basin wide percent of average     60                     81


LOWER GREEN RIVER

 HAMS FORK                7840     2.7     4.1    66      4.4     4.7    94
 HEWINTA                  9519     2.2     3.1    71      5.4     6.1    89
 HICKERSON PARK           9145     3.3     2.2   150      6.6     3.8   174
 HOLE-IN-ROCK             9150     2.6     2.1   124      5.7     3.5   163
 INDIAN CREEK             9425     6.0     9.9    61      6.9     9.8    70
 KELLEY R.S.              8180     3.8     6.2    61      6.3     8.1    78
 STEEL CREEK PARK        10200     3.1     5.5    56      6.1     6.5    94
                                                -----                  -----
                Basin wide percent of average     72                     97


UPPER BEAR RIVER

 BUG LAKE                 7950     4.4     6.2    71      6.6     7.7    86
 HAYDEN FORK              9212     3.0     4.8    62      7.6     8.3    92
 KELLEY R.S.              8180     3.8     6.2    61      6.3     8.1    78
 LILY LAKE                9156     2.4     4.3    56      5.5     7.4    74
 MONTE CRISTO             8960     5.3     8.2    65      7.3    10.0    73
 SALT RIVER SUMMIT        7760     3.0     4.1    73      4.5     7.1    63
 TRIAL LAKE               9992     4.6     8.2    56      5.2     9.2    57
                                                -----                  -----
                Basin wide percent of average     63                     74

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


 -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.