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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 7:28a, 5/22/18
Temperature 53.4°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 SUNDAY: MAY 2 , 2010
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030     4.1    12.3    33     15.1    24.4    62
 COTTONWOOD CREEK         7670    15.2    19.8    77     25.8    31.9    81
 GRAND TARGHEE            9260    44.0      -M      *    33.8      -M      *
 GRANITE CREEK            6770     5.0    12.8    39     14.1    22.4    63
 GRASSY LAKE              7265    20.0    33.4    60     29.8    40.9    73
 GROS VENTRE SUMMIT       8750     8.3    13.3    62     10.5    15.3    69
 GUNSIGHT PASS            9820    10.0      -M      *    13.1      -M      *
 LEWIS LAKE DIVIDE        7850    17.7    34.6    51     25.0    41.6    60
 PHILLIPS BENCH           8200    18.0    29.4    61     23.6    33.1    71
 SALT RIVER SUMMIT        7760     7.4    10.6    70     14.6    21.6    68
 SNAKE RIVER STATION      6920     2.1    12.2    17     18.8    25.5    74
 SPRING CREEK DIVIDE      9000    20.5    28.6    72     20.8    30.2    69
 THUMB DIVIDE             7980     7.1    14.9    48     15.7    22.0    71
 TOGWOTEE PASS            9580    20.9    27.9    75     20.6    29.0    71
 TWO OCEAN PLATEAU        9240    24.7    31.8    78     20.9    32.1    65
 WILLOW CREEK             8380    20.7    30.6    68     32.5    37.7    86
                                                -----                  -----
                Basin wide percent of average     61                     71


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    16.4    25.9    63     15.9    23.5    68
 BLACK BEAR               8170    27.5    39.9    69     30.4    45.8    66
 CANYON                   7870     7.2    11.3    64     13.4    17.7    76
 FISHER CREEK             9100    25.1    37.8    66     27.0    41.9    64
 MADISON PLATEAU          7750    16.3    24.2    67     23.6    30.4    78
 NORTHEAST ENTRANCE       7350      .7     7.1    10     10.4    14.8    70
 PARKER PEAK              9400    19.5    24.5    80     15.4    19.5    79
 SYLVAN LAKE              8420    12.9    23.8    54     20.7    24.7    84
 THUMB DIVIDE             7980     7.1    14.9    48     15.7    22.0    71
 TWO OCEAN PLATEAU        9240    24.7    31.8    78     20.9    32.1    65
 WHISKEY CREEK            6800     9.2    15.2    61     15.1    24.2    62
 WHITE MILL               8700    17.6    26.4    67     18.3    31.2    59
 WOLVERINE                7650     1.1     7.2    15      8.7    15.2    57
                                                -----                  -----
                Basin wide percent of average     64                     69


WIND RIVER

 BURROUGHS CREEK          8750     9.9    13.6    73       -M    19.3      *
 COLD SPRINGS             9630     6.3     4.8   131     12.8    13.9    92
 DEER PARK                9700    17.9    18.6    96     22.8    27.0    84
 HOBBS PARK              10100    19.6    18.0   109     20.7    16.9   122
 LITTLE WARM              9370     8.1    11.1    73     11.4    16.8    68
 SOUTH PASS               9040    15.1    18.0    84     20.2    22.7    89
 ST. LAWRENCE ALT         8620     6.1     6.1   100     13.8    12.1   114
 TOGWOTEE PASS            9580    20.9    27.9    75     20.6    29.0    71
 TOWNSEND CREEK           8700    11.2     9.1   123     18.2    15.5   117
                                                -----                  -----
                Basin wide percent of average     90                     91


BIGHORN BASIN

 BALD MTN.                9380    15.7    23.6    67     13.0    21.3    61
 BEAR TRAP MEADOW         8200     3.9     2.5   156     10.1    10.9    93
 BLACKWATER               9780    19.7    28.8    68     18.9    24.7    77
 BONE SPRINGS DIV         9350    12.4    18.3    68     12.9    18.3    70
 EVENING STAR             9200    19.0    33.3    57     23.9    29.9    80
 GRAVE SPRINGS            8550     9.1    11.1    82     13.0    13.1    99
 KIRWIN                   9550    10.6    13.0    82     12.3    14.2    87
 MARQUETTE                8760     7.7    11.3    68     11.7    13.7    85
 MIDDLE POWDER            7760    11.4    14.3    80     11.0    15.8    70
 OWL CREEK                8975      .7     4.0    18      7.4     8.2    90
 POWDER RIVER PASS        9480     7.7    10.7    72     13.0    15.8    82
 SHELL CREEK              9580    13.8    16.8    82     13.4    16.8    80
 SYLVAN LAKE              8420    12.9    23.8    54     20.7    24.7    84
 SYLVAN ROAD              7120      .9     8.1    11     14.8    20.5    72
 TIMBER CREEK             7950     1.4     4.8    29      8.3    10.5    79
 YOUNTS PEAK              8350    10.9    18.1    60     11.5    18.8    61
                                                -----                  -----
                Basin wide percent of average     65                     78


SHOSHONE RIVER

 BLACKWATER               9780    19.7    28.8    68     18.9    24.7    77
 EVENING STAR             9200    19.0    33.3    57     23.9    29.9    80
 KIRWIN                   9550    10.6    13.0    82     12.3    14.2    87
 MARQUETTE                8760     7.7    11.3    68     11.7    13.7    85
 SYLVAN LAKE              8420    12.9    23.8    54     20.7    24.7    84
 SYLVAN ROAD              7120      .9     8.1    11     14.8    20.5    72
 YOUNTS PEAK              8350    10.9    18.1    60     11.5    18.8    61
                                                -----                  -----
                Basin wide percent of average     60                     78


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     3.9     2.5   156     10.1    10.9    93
 BIG GOOSE                7990     8.7    11.6    75     12.7    12.9    98
 BONE SPRINGS DIV         9350    12.4    18.3    68     12.9    18.3    70
 BURGESS JUNCTION         7880    11.7    13.3    88     13.4    15.4    87
 CLOUD PEAK RESERVOIR     9860    14.0    16.2    86     14.3    17.1    84
 DOME LAKE                8880     8.9    13.5    66     14.3    16.8    85
 GRAVE SPRINGS            8550     9.1    11.1    82     13.0    13.1    99
 HANSEN SAWMILL           8360     2.7     4.9    55      9.2    11.0    84
 MIDDLE POWDER            7760    11.4    14.3    80     11.0    15.8    70
 POWDER RIVER PASS        9480     7.7    10.7    72     13.0    15.8    82
 SUCKER CREEK             8880    13.0    13.1    99     16.9    17.4    97
 TIE CREEK                6870     1.1     3.9    28     12.5    13.5    93
                                                -----                  -----
                Basin wide percent of average     78                     86


BELLE FOURCHE

 BLIND PARK               6890     1.2     4.0    30     14.7    14.2   104
 COLE CANYON              5910     1.1     5.0    22     12.3     9.5   129
 NORTH RAPID CREEK        6130      .3     3.8     8     13.3    11.4   117
                                                -----                  -----
                Basin wide percent of average     20                    115


UPPER N. PLATTE RIVER

 COLUMBINE                9160    18.0    20.9    86     26.4    29.2    90
 DIVIDE PEAK              8880    20.8    19.3   108     27.6    24.3   114
 ELK RIVER                8700    14.8    15.0    99     23.7    23.0   103
 JOE WRIGHT              10120    22.8    25.1    91     26.9    30.1    89
 NORTH FRENCH CREEK      10130    40.4    34.5   117     40.2    29.7   135
 OLD BATTLE              10000    38.9    36.9   105     41.5    39.9   104
 SAGE CREEK BASIN         7850    10.1    11.2    90     15.1    14.1   107
 SOUTH BRUSH CREEK        8440    12.7    11.1   114     23.0    20.1   114
 TOWER                   10500    40.3    52.2    77     37.8    45.1    84
 WEBBER SPRINGS           9250    23.0    25.1    92     32.4    31.1   104
 WILLOW CREEK PASS        9540    12.3    14.2    87     15.2    15.7    97
                                                -----                  -----
                Basin wide percent of average     96                    102


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    23.9    28.2    85     26.4    27.0    98
 CASPER MTN.              7900    15.6    17.1    91     18.0    19.5    92
 DEADMAN HILL            10220    27.3    19.7   139     23.8    21.0   113
 DEER PARK                9700    17.9    18.6    96     22.8    27.0    84
 LAPRELE CREEK            8375     7.6     7.1   107     16.4    16.5    99
 RENO HILL                8400    17.6    14.7   120     23.0    20.2   114
 ROACH                    9700    20.3    18.5   110     25.9    22.4   116
 SAND LAKE               10050    36.3    37.0    98     36.6    29.3   125
 SOUTH PASS               9040    15.1    18.0    84     20.2    22.7    89
 WINDY PEAK               7900     8.6     4.9   176     15.4    13.5   114
                                                -----                  -----
                Basin wide percent of average    103                    104


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440     2.9     4.6    63     17.8    18.6    96
 DIVIDE PEAK              8880    20.8    19.3   108     27.6    24.3   114
 OLD BATTLE              10000    38.9    36.9   105     41.5    39.9   104
 SANDSTONE RS             8150     8.9     9.5    94     20.4    21.9    93
 WHISKEY PARK             8950    26.4    30.5    87     35.4    33.8   105
                                                -----                  -----
                Basin wide percent of average     97                    103


UPPER GREEN RIVER

 BIG SANDY OPENING        9080     8.3    13.5    61     11.4    15.9    72
 BLIND BULL SUM           8650    19.5    27.9    70     14.7    25.2    58
 EAST RIM DIVIDE          7930     1.0    13.2     8      8.5    13.9    61
 ELKHART PARK G.S.        9400     7.5    12.8    59     10.5    16.0    66
 GROS VENTRE SUMMIT       8750     8.3    13.3    62     10.5    15.3    69
 GUNSIGHT PASS            9820    10.0      -M      *    13.1      -M      *
 KENDALL R.S.             7740      .2    10.0     2      9.7    16.6    58
 LOOMIS PARK              8240     5.0    14.3    35     12.3    19.9    62
 NEW FORK LAKE            8340     2.1     8.4    25      7.4    13.4    55
 POCKET CREEK             9360     7.6      -M      *    13.2      -M      *
 SNIDER BASIN             8060     6.9    12.6    55     12.9    18.5    70
 SPRING CREEK DIVIDE      9000    20.5    28.6    72     20.8    30.2    69
 TRIPLE PEAK              8500    15.3    23.7    65     23.3    28.6    81
                                                -----                  -----
                Basin wide percent of average     53                     67


LOWER GREEN RIVER

 HAMS FORK                7840     2.1     6.0    35     11.5    14.7    78
 HEWINTA                  9519     7.3     9.3    78     15.4    17.8    87
 HICKERSON PARK           9145     5.9     5.7   104     13.3    10.2   130
 HOLE-IN-ROCK             9150     3.3     4.7    70     12.5     9.7   129
 INDIAN CREEK             9425    19.0    28.3    67     19.5    29.5    66
 KELLEY R.S.              8180     9.0    14.1    64     16.0    23.6    68
 STEEL CREEK PARK        10200    18.2    18.7    97     19.3    20.2    96
                                                -----                  -----
                Basin wide percent of average     75                     86


UPPER BEAR RIVER

 BUG LAKE                 7950    11.3    18.0    63     16.9    22.4    75
 HAYDEN FORK              9212     8.0    13.0    62     21.4    25.1    85
 KELLEY R.S.              8180     9.0    14.1    64     16.0    23.6    68
 LILY LAKE                9156    10.8    11.1    97     17.6    21.1    83
 MONTE CRISTO             8960    16.6    28.3    59     21.3    30.3    70
 SALT RIVER SUMMIT        7760     7.4    10.6    70     14.6    21.6    68
 TRIAL LAKE               9992    19.8    26.5    75     19.0    29.4    65
                                                -----                  -----
                Basin wide percent of average     68                     73

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


 -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.