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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 9:18p, 5/27/18
Temperature 55.1°F
Wind 0.0 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 12 , 2013
------------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT    TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Median  Median  Current  Average  Avg
------------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030      .4     3.3    12     22.1    23.8    93
 BLACK BEAR               8170    31.2    36.8    85     37.3    43.4    86
 BLIND BULL SUM           8650    19.3    22.4    86     16.7    22.5    74
 COTTONWOOD CREEK         7670    10.4    12.1    86     26.2    29.1    90
 EAST RIM DIVIDE          7930      .0     5.4     0     10.6    13.7    77
 GRAND TARGHEE            9260    34.8    46.1    75     31.3    36.3    86
 GRANITE CREEK            6770      .0     4.0     0     17.8    22.3    80
 GRASSY LAKE              7265    12.8    24.6    52     34.1    40.8    84
 GROS VENTRE SUMMIT       8750     5.4     9.4    57     13.2    15.5    85
 GUNSIGHT PASS            9820     9.6    12.3    78     14.0    17.2    81
 LEWIS LAKE DIVIDE        7850    17.4    28.5    61     34.1    40.0    85
 PHILLIPS BENCH           8200    18.2    22.8    80     27.7    32.2    86
 SALT RIVER SUMMIT        7760      .0     3.2     0     16.2    19.3    84
 SNAKE RIVER STATION      6920      .0     1.1     0*    22.5    25.7    88
 SPRING CREEK DIVIDE      9000    22.4    23.3    96     25.5    27.4    93
 THUMB DIVIDE             7980     1.4     7.4    19     19.0    22.0    86
 TOGWOTEE PASS            9580    19.7    25.3    78     25.3    28.8    88
 TWO OCEAN PLATEAU        9240    25.1    29.5    85     28.0    31.8    88
 WILLOW CREEK             8380    16.9    20.6    82     35.0    39.6    88
 YOUNTS PEAK              8350    10.9    14.9    73     14.0    18.8    74
                                                -----                  -----
                Basin wide percent                72                     86


MADISON-GALLATIN

 BLACK BEAR               8170    31.2    36.8    85     37.3    43.4    86
 CANYON                   7870     4.4     6.7    66     14.1    19.1    74
 MADISON PLATEAU          7750    12.5    19.0    66     25.9    30.2    86
 WEST YELLOWSTONE         6700      .0      .0      *    14.2    16.8    85
 WHISKEY CREEK            6800     4.7     9.9    47     18.9    23.3    81
                                                -----                  -----
                Basin wide percent                73                     83


YELLOWSTONE

 BEARTOOTH LAKE           9360    18.0    22.9    79     20.7    23.3    89
 BURNT MTN                5880      .0      .0      *    12.9    18.4    70
 CANYON                   7870     4.4     6.7    66     14.1    19.1    74
 COLE CREEK               7850    12.6    17.2    73     12.1    18.6    65
 EVENING STAR             9200    19.2    25.6    75     31.4    32.1    98
 FISHER CREEK             9100    28.7    34.4    83     33.9    36.9    92
 NORTHEAST ENTRANCE       7350      .0      .6     0*    12.6    14.8    85
 PARKER PEAK              9400    16.7    22.1    76     23.6    21.5   110
 SYLVAN LAKE              8420    12.8    17.8    72     25.5    26.6    96
 THUMB DIVIDE             7980     1.4     7.4    19     19.0    22.0    86
 TWO OCEAN PLATEAU        9240    25.1    29.5    85     28.0    31.8    88
 WHITE MILL               8700    21.4    24.9    86     24.4    27.8    88
 WOLVERINE                7650      .0      .0      *    12.2    14.9    82
                                                -----                  -----
                Basin wide percent                77                     88


WIND RIVER

 BURROUGHS CREEK          8750    10.3    11.5    90     12.9    19.2    67
 CASTLE CREEK             8400      .2      -M      *     9.7      -M      *
 COLD SPRINGS             9630      .1     1.0    10     10.4    13.8    75
 DEER PARK                9700    10.1    14.3    71     16.7    25.3    66
 HOBBS PARK              10100    13.3    15.8    84     14.7    18.3    80
 KIRWIN                   9550     9.8    10.8    91     14.3    15.1    95
 LITTLE WARM              9370     4.5     6.6    68     13.1    16.6    79
 OWL CREEK                8975     1.1      .4   275*     8.5     9.0    94
 SOUTH PASS               9040     6.9    11.2    62     12.2    21.8    56
 ST. LAWRENCE ALT         8620      .0      .6     0*    10.7    12.9    83
 TOGWOTEE PASS            9580    19.7    25.3    78     25.3    28.8    88
 TOWNSEND CREEK           8700     4.2     2.8   150     12.7    16.3    78
                                                -----                  -----
                Basin wide percent                80                     77


BIGHORN BASIN

 BALD MTN.                9380    15.5    20.8    75     13.1    21.4    61
 BEAR TRAP MEADOW         8200      .9      .0      *    11.7    11.9    98
 BONE SPRINGS DIV         9350    15.1    16.5    92     14.5    20.0    72
 GRAVE SPRINGS            8550     4.9     7.3    67     10.3    14.5    71
 KIRWIN                   9550     9.8    10.8    91     14.3    15.1    95
 MARQUETTE                8760     8.3      -M      *    13.0      -M      *
 MIDDLE POWDER            7760     8.8    10.2    86     15.9    15.6   102
 OWL CREEK                8975     1.1      .4   275*     8.5     9.0    94
 POWDER RIVER PASS        9480    12.7     8.9   143     17.9    16.5   108
 SHELL CREEK              9580    16.2    16.8    96     17.2    17.8    97
 TIMBER CREEK             7950      .4     1.1    36     11.5    11.4   101
                                                -----                  -----
                Basin wide percent                92                     88


SHOSHONE RIVER

 BLACKWATER               9780    23.1    24.5    94     26.7    24.9   107
 EVENING STAR             9200    19.2    25.6    75     31.4    32.1    98
 MARQUETTE                8760     8.3      -M      *    13.0      -M      *
 SYLVAN ROAD              7120      .2      .7    29*    16.6    19.5    85
 YOUNTS PEAK              8350    10.9    14.9    73     14.0    18.8    74
                                                -----                  -----
                Basin wide percent                81                     93


POWDER RIVER

 BEAR TRAP MEADOW         8200      .9      .0      *    11.7    11.9    98
 CLOUD PEAK RESERVOIR     9860    15.6    16.7    93     16.0    18.6    86
 GRAVE SPRINGS            8550     4.9     7.3    67     10.3    14.5    71
 HANSEN SAWMILL           8360     2.9      .6   483*    11.5    12.2    94
 MIDDLE POWDER            7760     8.8    10.2    86     15.9    15.6   102
 POWDER RIVER PASS        9480    12.7     8.9   143     17.9    16.5   108
 SOLDIER PARK             8720     3.1      -M      *    11.0      -M      *
                                                -----                  -----
                Basin wide percent               105                     93


TONGUE RIVER

 BIG GOOSE                7990     6.0    10.0    60     11.8    16.3    72
 BONE SPRINGS DIV         9350    15.1    16.5    92     14.5    20.0    72
 BURGESS JUNCTION         7880    10.2    11.3    90     11.9    16.3    73
 DOME LAKE                8880    10.0    10.9    92     13.1    18.3    72
 LITTLE GOOSE             8870     8.1      -M      *    15.6      -M      *
 SUCKER CREEK             8880    11.9    12.5    95     15.9    19.3    82
 TIE CREEK                6870      .2      .9    22     13.7    16.4    84
                                                -----                  -----
                Basin wide percent                86                     76


BELLE FOURCHE

 COLE CANYON              5910      .0      .0      *    10.9    14.0    78
                                                -----                  -----
                Basin wide percent                  *                    78


CHEYENNE RIVER BASIN

 BLIND PARK               6890      .0      .0      *    14.2    15.9    89
 NORTH RAPID CREEK        6130      .0      .0      *    12.1    14.0    86
                                                -----                  -----
                Basin wide percent                  *                    88


UPPER N. PLATTE

 ARAPAHO RIDGE           10960    21.5    22.3    96     25.0    27.9    90
 BLACKHALL MTN            9820    26.7      -M      *    31.7      -M      *
 COLUMBINE                9160     9.3    11.2    83     27.6    29.8    93
 DIVIDE PEAK              8880     6.6    13.0    51     22.0    25.7    86
 JOE WRIGHT              10120    22.7    23.2    98     32.9    31.7   104
 LAPRELE CREEK            8375      .2     1.1    18     11.1    16.3    68
 MED BOW                 10500      -M      -M      *    33.7      -M      *
 NORTH FRENCH CREEK      10130    22.9    32.5    70     27.4    32.7    84
 NEVER SUMMER            10280    21.8    22.2    98     18.1      -M      *
 OLD BATTLE              10000    28.3    36.8    77     33.2    41.1    81
 RAWAH                    9020     7.5     2.1   357     19.5    18.6   105
 SAGE CREEK BASIN         7850      -M      .0      *    11.6    17.0    68
 SAND LAKE               10050    25.9    31.6    82     27.6    30.9    89
 SOUTH BRUSH CREEK        8440      .3     3.6     8     15.4    19.3    80
 TOWER                   10500    36.7    50.9    72       -M    46.8      *
 WEBBER SPRINGS           9250    16.3    18.4    89     26.3    31.3    84
 WILLOW CREEK PASS        9540    18.1    12.6   144     20.1    16.6   121
 ZIRKEL                   9340    19.1    18.9   101     33.0    32.9   100
                                                -----                  -----
                Basin wide percent                86                     89


SWEETWATER

 DEER PARK                9700    10.1    14.3    71     16.7    25.3    66
 LARSEN CREEK             9000      .0      -M      *    11.8      -M      *
 SOUTH PASS               9040     6.9    11.2    62     12.2    21.8    56
                                                -----                  -----
                Basin wide percent                67                     61


LOWER N. PLATTE

 CASPER MTN.              7900     7.8    10.8    72     11.5    19.7    58
 LAPRELE CREEK            8375      .2     1.1    18     11.1    16.3    68
 RENO HILL                8400     9.0     9.4    96     16.3    20.6    79
 WINDY PEAK               7900      .1      .0      *    11.2    14.0    80
                                                -----                  -----
                Basin wide percent                80                     71


LARAMIE RIVER

 BROOKLYN LAKE           10240    17.6    20.8    85     22.3    26.2    85
 CINNABAR PARK            9574    13.8    16.7    83     23.1    28.8    80
 CROW CREEK               8330      .0      .0      *    13.2    14.6    90
 DEADMAN HILL            10220    18.8    18.5   102     20.5    22.0    93
 RAWAH                    9020     7.5     2.1   357     19.5    18.6   105
 ROACH                    9700    15.9    15.0   106     21.6    23.6    92
                                                -----                  -----
                Basin wide percent               101                     90


S. PLATTE

 BLACK MOUNTAIN           8920     7.8      -M      *    16.8      -M      *
 CROW CREEK               8330      .0      .0      *    13.2    14.6    90
 DEADMAN HILL            10220    18.8    18.5   102     20.5    22.0    93
                                                -----                  -----
                Basin wide percent               102*                    92


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .3      .0      *    13.5    18.1    75
 DIVIDE PEAK              8880     6.6    13.0    51     22.0    25.7    86
 ELK RIVER                8700     4.3     6.2    69     20.1    24.0    84
 LITTLE SNAKE RIVER       8915    14.7    19.8    74     30.0    34.6    87
 OLD BATTLE              10000    28.3    36.8    77     33.2    41.1    81
 SAGE CREEK BASIN         7850      -M      .0      *    11.6    17.0    68
 SANDSTONE RS             8150      -M      .8      *    14.6    22.0    66
 WHISKEY PARK             8950    18.1    26.0    70     30.5    33.2    92
                                                -----                  -----
                Basin wide percent                71                     81


UPPER GREEN RIVER

 BIG SANDY OPENING        9080     4.4     8.5    52     12.1    16.3    74
 BLIND BULL SUM           8650    19.3    22.4    86     16.7    22.5    74
 EAST RIM DIVIDE          7930      .0     5.4     0     10.6    13.7    77
 ELKHART PARK G.S.        9400     5.0     9.4    53     11.7    16.2    72
 GROS VENTRE SUMMIT       8750     5.4     9.4    57     13.2    15.5    85
 GUNSIGHT PASS            9820     9.6    12.3    78     14.0    17.2    81
 KENDALL R.S.             7740      .0      .0      *    12.1    16.3    74
 LOOMIS PARK              8240     1.5     6.7    22     15.7    20.0    78
 NEW FORK LAKE            8340      .0     2.1     0      8.4    13.0    65
 POCKET CREEK             9360     5.3      -M      *    12.1      -M      *
 SNIDER BASIN             8060      .0     6.9     0     15.4    16.4    94
 SPRING CREEK DIVIDE      9000    22.4    23.3    96     25.5    27.4    93
 TRIPLE PEAK              8500    12.1    14.2    85     26.4    29.4    90
                                                -----                  -----
                Basin wide percent                66                     81


LOWER GREEN RIVER

 BLACKS FORK JCT          8870     1.6      -M      *    13.1      -M      *
 BUCK PASTURE             9700     8.8      -M      *    18.6      -M      *
 EF BLACKS FORK GS        9308     6.8      -M      *    13.5      -M      *
 HAMS FORK                7840      -M      .0      *      -M    14.0      *
 HEWINTA                  9519     4.3     1.1   391     15.7    17.3    91
 HICKERSON PARK           9145     1.6      .0      *    12.7    13.0    98
 HOLE-IN-ROCK             9150     3.5      .0      *    13.7    12.5   110
 INDIAN CREEK             9425    18.0    21.2    85     21.9    26.4    83
 KELLEY R.S.              8180     3.6     7.8    46     16.1    21.3    76
 SPIRIT LK               10223     9.6      -M      *    18.2      -M      *
 STEEL CREEK PARK        10200    15.3    17.4    88     19.0    20.4    93
                                                -----                  -----
                Basin wide percent                97*                    89


UPPER BEAR RIVER

 BEAR RIVER RS            8500      .0      -M      *    13.6      -M      *
 BUG LAKE                 7950     4.7    11.7    40     18.4    22.9    80
 BURTS MILLER RANCH       8000      .2      -M      *     8.8      -M      *
 CHALK CREEK #1           8993    14.8    20.7    71     24.4    30.1    81
 HAYDEN FORK              9212     1.3     5.0    26     19.8    25.2    79
 KELLEY R.S.              8180     3.6     7.8    46     16.1    21.3    76
 LILY LAKE                9156     6.4     3.6   178     15.4    20.8    74
 MONTE CRISTO             8960    13.4    20.6    65     25.0    30.9    81
 SALT RIVER SUMMIT        7760      .0     3.2     0     16.2    19.3    84
                                                -----                  -----
                Basin wide percent                61                     79

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


 -M   = Missing data
  *   = Data may not provide a valid measure of conditions.
Units = inches for the Current and Normal Snow Water Equivalent and

Total Precipitation values

If the Basin wide percent 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 Median represents the snow water
equivalent found at selected SNOTEL sites in or near the basin compared to
the Median 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 comparison of conditions is 1981-2010.

Provisional data, subject to revision.