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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 10:53a, 5/21/18
Temperature 65.5°F
Wind 1.0 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: MARCH 21 , 2010
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030     7.5    17.7    42      9.7    20.6    47
 COTTONWOOD CREEK         7670    13.5    22.5    60     17.6    25.9    68
 GRAND TARGHEE            9260    29.5      -M      *    23.0      -M      *
 GRANITE CREEK            6770     7.8    18.3    43     10.0    19.3    52
 GRASSY LAKE              7265    17.5    33.9    52     20.0    34.5    58
 GROS VENTRE SUMMIT       8750     6.1    13.4    46       -M    12.2      *
 GUNSIGHT PASS            9820     6.5      -M      *     7.8      -M      *
 LEWIS LAKE DIVIDE        7850    14.2    33.8    42     16.1    35.2    46
 PHILLIPS BENCH           8200    13.9    27.4    51     15.6    27.7    56
 SALT RIVER SUMMIT        7760     8.2    13.8    59     10.0    17.7    56
 SNAKE RIVER STATION      6920     6.7    18.7    36     12.6    21.4    59
 SPRING CREEK DIVIDE      9000    15.0    25.2    60     14.7    25.1    59
 THUMB DIVIDE             7980     6.8    18.1    38      9.7    18.0    54
 TOGWOTEE PASS            9580    14.4    23.5    61     14.5    23.2    63
 TWO OCEAN PLATEAU        9240    16.1    26.4    61     13.1    26.4    50
 WILLOW CREEK             8380    18.4    28.8    64     22.0    30.5    72
                                                -----                  -----
                Basin wide percent of average     52                     57


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    11.7    22.4    52     10.7    19.1    56
 BLACK BEAR               8170    21.1    37.5    56     20.7    38.2    54
 CANYON                   7870     7.1    13.1    54      8.7    14.7    59
 FISHER CREEK             9100    19.3    33.2    58     18.8    34.5    54
 MADISON PLATEAU          7750    12.7    23.8    53     16.0    25.2    63
 NORTHEAST ENTRANCE       7350     4.8    10.8    44      7.6    12.0    63
 PARKER PEAK              9400    15.2    20.4    75     10.6    15.4    69
 SYLVAN LAKE              8420    10.9    21.3    51     13.2    19.9    66
 THUMB DIVIDE             7980     6.8    18.1    38      9.7    18.0    54
 TWO OCEAN PLATEAU        9240    16.1    26.4    61     13.1    26.4    50
 WHISKEY CREEK            6800     8.0    16.3    49       -M    19.9      *
 WHITE MILL               8700    13.7    23.0    60     12.6    25.6    49
 WOLVERINE                7650     5.8    11.4    51      5.9    12.2    48
                                                -----                  -----
                Basin wide percent of average     55                     57


WIND RIVER

 BURROUGHS CREEK          8750     7.2    14.0    51      5.6    15.4    36
 COLD SPRINGS             9630     5.8     8.3    70      7.1     9.6    74
 DEER PARK                9700    12.4    16.0    78     13.9    20.5    68
 HOBBS PARK              10100    12.2    13.6    90     11.5    11.5   100
 LITTLE WARM              9370     5.7    11.0    52      6.0    12.4    48
 SOUTH PASS               9040    11.1    16.0    69     12.1    17.1    71
 ST. LAWRENCE ALT         8620     6.4     6.8    94      8.2     8.0   103
 TOGWOTEE PASS            9580    14.4    23.5    61     14.5    23.2    63
 TOWNSEND CREEK           8700     9.1     8.0   114     11.1    10.4   107
                                                -----                  -----
                Basin wide percent of average     72                     70


BIGHORN BASIN

 BALD MTN.                9380    12.0    18.3    66      9.4    16.1    58
 BEAR TRAP MEADOW         8200     5.3     5.1   104      5.6     7.4    76
 BLACKWATER               9780    13.3    23.1    58     12.3    19.3    64
 BONE SPRINGS DIV         9350     9.8    15.0    65      8.4    13.4    63
 EVENING STAR             9200    15.4    28.1    55     16.8    24.0    70
 GRAVE SPRINGS            8550     8.0     8.6    93      8.9     9.0    99
 KIRWIN                   9550     7.1    10.5    68      6.6    10.4    63
 MARQUETTE                8760     5.9     8.0    74      6.4     8.7    74
 MIDDLE POWDER            7760     8.8    10.7    82      6.9    11.2    62
 OWL CREEK                8975     5.3     5.0   106      4.2     5.2    81
 POWDER RIVER PASS        9480     7.5    10.1    74      8.3    11.4    73
 SHELL CREEK              9580    10.0    13.6    74      9.0    12.2    74
 SYLVAN LAKE              8420    10.9    21.3    51     13.2    19.9    66
 SYLVAN ROAD              7120     5.8    12.3    47      9.2    16.9    54
 TIMBER CREEK             7950     3.5     5.2    67      4.9     6.5    75
 YOUNTS PEAK              8350     8.1    16.3    50      6.7    15.3    44
                                                -----                  -----
                Basin wide percent of average     65                     66


SHOSHONE RIVER

 BLACKWATER               9780    13.3    23.1    58     12.3    19.3    64
 EVENING STAR             9200    15.4    28.1    55     16.8    24.0    70
 KIRWIN                   9550     7.1    10.5    68      6.6    10.4    63
 MARQUETTE                8760     5.9     8.0    74      6.4     8.7    74
 SYLVAN LAKE              8420    10.9    21.3    51     13.2    19.9    66
 SYLVAN ROAD              7120     5.8    12.3    47      9.2    16.9    54
 YOUNTS PEAK              8350     8.1    16.3    50      6.7    15.3    44
                                                -----                  -----
                Basin wide percent of average     56                     62


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     5.3     5.1   104      5.6     7.4    76
 BIG GOOSE                7990     6.6     9.2    72      7.8     7.7   101
 BONE SPRINGS DIV         9350     9.8    15.0    65      8.4    13.4    63
 BURGESS JUNCTION         7880     8.3    10.6    78      8.0    11.0    73
 CLOUD PEAK RESERVOIR     9860     9.7    12.1    80      8.0    11.5    70
 DOME LAKE                8880     6.8    11.2    61      8.8    11.8    75
 GRAVE SPRINGS            8550     8.0     8.6    93      8.9     9.0    99
 HANSEN SAWMILL           8360     4.7     6.1    77      5.5     7.4    74
 MIDDLE POWDER            7760     8.8    10.7    82      6.9    11.2    62
 POWDER RIVER PASS        9480     7.5    10.1    74      8.3    11.4    73
 SUCKER CREEK             8880     9.6    10.7    90     10.2    12.3    83
 TIE CREEK                6870     2.0     6.2    32      7.2     9.0    80
                                                -----                  -----
                Basin wide percent of average     75                     76


BELLE FOURCHE

 BLIND PARK               6890     5.1     8.6    59      9.1    10.4    88
 COLE CANYON              5910     4.6     6.4    72      7.8     6.2   126
 NORTH RAPID CREEK        6130     7.5     7.7    97      8.7     8.1   107
                                                -----                  -----
                Basin wide percent of average     76                    104


UPPER N. PLATTE RIVER

 COLUMBINE                9160    17.9    24.3    74     19.0    23.7    80
 DIVIDE PEAK              8880    16.7    18.4    91     18.6    19.4    96
 ELK RIVER                8700    16.1    18.3    88     16.3    18.3    89
 JOE WRIGHT              10120    16.0    19.7    81     18.2    23.0    79
 NORTH FRENCH CREEK      10130    30.9    26.7   116     29.6    23.0   129
 OLD BATTLE              10000    26.5    30.2    88     28.8    32.5    89
 SAGE CREEK BASIN         7850    12.2    10.7   114      9.9    11.3    88
 SOUTH BRUSH CREEK        8440    12.5    12.2   102     15.3    15.1   101
 TOWER                   10500    31.3    42.6    73     28.2    36.1    78
 WEBBER SPRINGS           9250    18.4    25.1    73     21.8    25.0    87
 WILLOW CREEK PASS        9540     6.1    11.0    55      8.6    11.9    72
                                                -----                  -----
                Basin wide percent of average     86                     90


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    18.1    21.8    83     18.9    20.3    93
 CASPER MTN.              7900    11.7    13.0    90     11.7    12.9    91
 DEADMAN HILL            10220    15.8    14.9   106     14.5    15.5    94
 DEER PARK                9700    12.4    16.0    78     13.9    20.5    68
 LAPRELE CREEK            8375     7.6    10.4    73      9.9    11.6    85
 RENO HILL                8400    13.2    12.6   105     14.2    13.4   106
 ROACH                    9700    14.7    15.8    93     17.6    17.3   102
 SAND LAKE               10050    26.5    30.0    88     25.7    22.2   116
 SOUTH PASS               9040    11.1    16.0    69     12.1    17.1    71
 WINDY PEAK               7900     6.7     7.5    89      8.5     9.7    88
                                                -----                  -----
                Basin wide percent of average     87                     92


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440     9.4    11.5    82     10.7    14.6    73
 DIVIDE PEAK              8880    16.7    18.4    91     18.6    19.4    96
 OLD BATTLE              10000    26.5    30.2    88     28.8    32.5    89
 SANDSTONE RS             8150     9.8    14.7    67     13.0    17.7    73
 WHISKEY PARK             8950    23.7    28.4    83     24.8    26.8    93
                                                -----                  -----
                Basin wide percent of average     83                     86


UPPER GREEN RIVER

 BIG SANDY OPENING        9080     7.4    13.7    54      7.1    12.7    56
 BLIND BULL SUM           8650    12.7    26.6    48      9.8    21.2    46
 EAST RIM DIVIDE          7930     4.5    12.5    36      5.7    11.5    50
 ELKHART PARK G.S.        9400     7.0    12.7    55      7.4    12.5    59
 GROS VENTRE SUMMIT       8750     6.1    13.4    46       -M    12.2      *
 GUNSIGHT PASS            9820     6.5      -M      *     7.8      -M      *
 KENDALL R.S.             7740     4.9    14.3    34      6.7    14.0    48
 LOOMIS PARK              8240     6.6    16.7    40      8.4    16.6    51
 NEW FORK LAKE            8340     4.6    10.8    43      5.1    10.7    48
 POCKET CREEK             9360     6.3      -M      *     9.5      -M      *
 SNIDER BASIN             8060     8.0    14.0    57      9.0    15.3    59
 SPRING CREEK DIVIDE      9000    15.0    25.2    60     14.7    25.1    59
 TRIPLE PEAK              8500    15.2    23.8    64     15.5    23.5    66
                                                -----                  -----
                Basin wide percent of average     50                     55


LOWER GREEN RIVER

 HAMS FORK                7840     6.4    12.4    52      7.9    11.6    68
 HEWINTA                  9519     7.3    10.9    67      9.3    13.4    69
 HICKERSON PARK           9145     7.7     6.8   113      9.4     7.2   131
 HOLE-IN-ROCK             9150     6.7     6.6   102      8.5     6.8   125
 INDIAN CREEK             9425    15.6    26.1    60     13.7    23.9    57
 KELLEY R.S.              8180     8.7    16.1    54     10.8    19.2    56
 STEEL CREEK PARK        10200    10.1    14.7    69     12.1    14.8    82
                                                -----                  -----
                Basin wide percent of average     67                     74


UPPER BEAR RIVER

 BUG LAKE                 7950     7.9    19.8    40     11.4    18.2    63
 HAYDEN FORK              9212    10.6    15.4    69     13.6    19.6    69
 KELLEY R.S.              8180     8.7    16.1    54     10.8    19.2    56
 LILY LAKE                9156     9.1    12.3    74     10.5    16.2    65
 MONTE CRISTO             8960    14.8    28.5    52     14.9    24.0    62
 SALT RIVER SUMMIT        7760     8.2    13.8    59     10.0    17.7    56
 TRIAL LAKE               9992    12.7    23.8    53     11.4    23.5    49
                                                -----                  -----
                Basin wide percent of average     56                     60

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


 -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.