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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 3:08a, 5/25/18
Temperature 51.5°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 FRIDAY: MAY 3 , 2013
------------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT    TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Median  Median  Current  Average  Avg
------------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    10.8     8.4   129     22.2    22.9    97
 BLACK BEAR               8170    40.1    37.3   108     37.2    42.0    89
 BLIND BULL SUM           8650    21.8    22.9    95     16.3    21.5    76
 COTTONWOOD CREEK         7670    15.8    14.7   107     26.1    27.7    94
 EAST RIM DIVIDE          7930     2.8     7.9    35     10.3    13.0    79
 GRAND TARGHEE            9260    41.8    45.5    92     31.1    34.9    89
 GRANITE CREEK            6770     7.4     7.8    95     16.8    21.5    78
 GRASSY LAKE              7265    23.6    28.3    83     33.9    39.5    86
 GROS VENTRE SUMMIT       8750    10.2    11.3    90     13.1    14.7    89
 GUNSIGHT PASS            9820    12.3    12.1   102     13.7    16.2    85
 LEWIS LAKE DIVIDE        7850    27.4    29.7    92     34.1    38.8    88
 PHILLIPS BENCH           8200    24.2    24.8    98     27.2    30.9    88
 SALT RIVER SUMMIT        7760     6.9     7.6    91     15.9    18.5    86
 SNAKE RIVER STATION      6920     7.1     6.2   115     22.9    24.9    92
 SPRING CREEK DIVIDE      9000    25.2    24.3   104     25.0    26.4    95
 THUMB DIVIDE             7980    11.7    11.3   104     18.8    21.1    89
 TOGWOTEE PASS            9580    23.4    24.7    95     25.0    27.5    91
 TWO OCEAN PLATEAU        9240    32.1    29.9   107     27.8    30.3    92
 WILLOW CREEK             8380    25.0    22.3   112     34.7    37.9    92
 YOUNTS PEAK              8350    14.6    15.7    93     13.5    17.8    76
                                                -----                  -----
                Basin wide percent                98                     88


MADISON-GALLATIN

 BLACK BEAR               8170    40.1    37.3   108     37.2    42.0    89
 CANYON                   7870    11.1     9.6   116     14.1    18.1    78
 MADISON PLATEAU          7750    19.9    21.0    95     25.8    29.1    89
 WEST YELLOWSTONE         6700      .0      .6     0*    14.2    16.0    89
 WHISKEY CREEK            6800     9.5    13.8    69     19.1    22.5    85
                                                -----                  -----
                Basin wide percent                98                     86


YELLOWSTONE

 BEARTOOTH LAKE           9360    20.2    22.7    89     20.5    22.1    93
 BURNT MTN                5880      .0      .0      *    12.0    16.1    75
 CANYON                   7870    11.1     9.6   116     14.1    18.1    78
 COLE CREEK               7850    14.6    16.7    87     11.5    16.6    69
 EVENING STAR             9200    26.4    24.8   106     31.1    30.6   102
 FISHER CREEK             9100    32.9    32.6   101     33.5    35.4    95
 NORTHEAST ENTRANCE       7350     2.8     2.0   140     12.4    13.9    89
 PARKER PEAK              9400    25.6    21.2   121     23.4    20.2   116
 SYLVAN LAKE              8420    17.7    19.3    92     25.4    25.3   100
 THUMB DIVIDE             7980    11.7    11.3   104     18.8    21.1    89
 TWO OCEAN PLATEAU        9240    32.1    29.9   107     27.8    30.3    92
 WHITE MILL               8700    24.9    23.9   104     23.9    26.5    90
 WOLVERINE                7650     5.3     1.4   379     12.2    13.9    88
                                                -----                  -----
                Basin wide percent               105                     92


WIND RIVER

 BURROUGHS CREEK          8750    13.1    12.8   102     12.7    18.1    70
 CASTLE CREEK             8400      .8      -M      *     9.5      -M      *
 COLD SPRINGS             9630     1.5     1.3   115     10.0    12.6    79
 DEER PARK                9700    13.0    15.7    83     16.2    23.6    69
 HOBBS PARK              10100    13.5    16.0    84     13.5    16.9    80
 KIRWIN                   9550    11.4    10.6   108     13.5    14.0    96
 LITTLE WARM              9370     8.6     8.4   102     13.0    15.5    84
 OWL CREEK                8975     4.6      .7   657      7.9     8.1    98
 SOUTH PASS               9040    11.7    14.4    81     11.9    20.5    58
 ST. LAWRENCE ALT         8620      .7     2.1    33      9.8    11.7    84
 TOGWOTEE PASS            9580    23.4    24.7    95     25.0    27.5    91
 TOWNSEND CREEK           8700     7.6     6.9   110     11.8    15.1    78
                                                -----                  -----
                Basin wide percent                96                     79


BIGHORN BASIN

 BALD MTN.                9380    17.9    20.5    87     13.0    19.9    65
 BEAR TRAP MEADOW         8200     8.0      .6  1333     11.7    10.8   108
 BONE SPRINGS DIV         9350    17.4    16.4   106     14.1    18.4    77
 GRAVE SPRINGS            8550     8.3     9.4    88     10.1    13.0    78
 KIRWIN                   9550    11.4    10.6   108     13.5    14.0    96
 MARQUETTE                8760     9.7      -M      *    11.7      -M      *
 MIDDLE POWDER            7760    13.4    11.4   118     15.8    14.3   110
 OWL CREEK                8975     4.6      .7   657      7.9     8.1    98
 POWDER RIVER PASS        9480    14.1     9.1   155     17.6    15.2   116
 SHELL CREEK              9580    17.9    16.0   112     16.4    16.5    99
 TIMBER CREEK             7950     3.3     2.7   122     10.3    10.2   101
                                                -----                  -----
                Basin wide percent               119                     93


SHOSHONE RIVER

 BLACKWATER               9780    26.4    25.7   103     26.1    23.7   110
 EVENING STAR             9200    26.4    24.8   106     31.1    30.6   102
 MARQUETTE                8760     9.7      -M      *    11.7      -M      *
 SYLVAN ROAD              7120      .2     4.6     4     16.8    18.7    90
 YOUNTS PEAK              8350    14.6    15.7    93     13.5    17.8    76
                                                -----                  -----
                Basin wide percent                95                     96


POWDER RIVER

 BEAR TRAP MEADOW         8200     8.0      .6  1333     11.7    10.8   108
 CLOUD PEAK RESERVOIR     9860    16.3    16.4    99     15.2    16.9    90
 GRAVE SPRINGS            8550     8.3     9.4    88     10.1    13.0    78
 HANSEN SAWMILL           8360     7.3     1.8   406     11.0    11.0   100
 MIDDLE POWDER            7760    13.4    11.4   118     15.8    14.3   110
 POWDER RIVER PASS        9480    14.1     9.1   155     17.6    15.2   116
 SOLDIER PARK             8720     6.1      -M      *    10.6      -M      *
                                                -----                  -----
                Basin wide percent               138                    100


TONGUE RIVER

 BIG GOOSE                7990     9.2     9.3    99     11.5    14.3    80
 BONE SPRINGS DIV         9350    17.4    16.4   106     14.1    18.4    77
 BURGESS JUNCTION         7880    12.5    11.8   106     11.7    15.0    78
 DOME LAKE                8880    11.5    11.3   102     12.7    16.6    77
 LITTLE GOOSE             8870    10.7      -M      *    15.1      -M      *
 SUCKER CREEK             8880    14.2    12.0   118     15.7    17.6    89
 TIE CREEK                6870     4.2     2.5   168     13.0    14.6    89
                                                -----                  -----
                Basin wide percent               109                     82


BELLE FOURCHE

 COLE CANYON              5910     3.6      .1  3600*    10.5    12.3    85
                                                -----                  -----
                Basin wide percent              3600*                    85


CHEYENNE RIVER BASIN

 BLIND PARK               6890     3.6      .2  1800*    14.1    14.6    97
 NORTH RAPID CREEK        6130     4.3      .5   860*    11.7    12.6    93
                                                -----                  -----
                Basin wide percent              1129*                    95


UPPER N. PLATTE

 ARAPAHO RIDGE           10960    21.9    22.3    98     24.4    26.4    92
 BLACKHALL MTN            9820    29.6      -M      *    31.5      -M      *
 COLUMBINE                9160    17.4    17.5    99     27.0    28.8    94
 DIVIDE PEAK              8880    13.8    17.8    78     21.7    24.6    88
 JOE WRIGHT              10120    22.8    22.9   100     31.7    30.2   105
 LAPRELE CREEK            8375     5.6     5.6   100     10.9    15.2    72
 MED BOW                 10500     2.2      -M      *    33.2      -M      *
 NORTH FRENCH CREEK      10130    26.2    32.8    80     27.1    31.1    87
 NEVER SUMMER            10280    21.9    21.8   100     17.4      -M      *
 OLD BATTLE              10000    30.7    34.7    88     32.8    39.5    83
 RAWAH                    9020    11.6     5.2   223     18.6    17.5   106
 SAGE CREEK BASIN         7850      -M     1.0      *    11.5    16.3    71
 SAND LAKE               10050    26.6    31.5    84     26.7    29.3    91
 SOUTH BRUSH CREEK        8440     8.1     8.4    96     15.0    18.1    83
 TOWER                   10500    38.8    50.4    77       -M    45.1      *
 WEBBER SPRINGS           9250    21.3    21.3   100     26.1    30.2    86
 WILLOW CREEK PASS        9540    19.4    14.5   134     19.5    16.0   122
 ZIRKEL                   9340    24.4    20.8   117     32.6    31.2   104
                                                -----                  -----
                Basin wide percent                95                     92


SWEETWATER

 DEER PARK                9700    13.0    15.7    83     16.2    23.6    69
 LARSEN CREEK             9000      .0      -M      *    11.7      -M      *
 SOUTH PASS               9040    11.7    14.4    81     11.9    20.5    58
                                                -----                  -----
                Basin wide percent                82                     64


LOWER N. PLATTE

 CASPER MTN.              7900    12.5    12.8    98     11.5    18.3    63
 LAPRELE CREEK            8375     5.6     5.6   100     10.9    15.2    72
 RENO HILL                8400    12.8    12.2   105     15.6    19.2    81
 WINDY PEAK               7900     4.4     3.4   129     10.4    13.2    79
                                                -----                  -----
                Basin wide percent               104                     73


LARAMIE RIVER

 BROOKLYN LAKE           10240    20.3    23.1    88     21.7    25.0    87
 CINNABAR PARK            9574    15.2    19.0    80     22.9    27.3    84
 CROW CREEK               8330     3.1      .0      *    12.4    13.6    91
 DEADMAN HILL            10220    18.6    19.2    97     19.4    20.9    93
 RAWAH                    9020    11.6     5.2   223     18.6    17.5   106
 ROACH                    9700    17.3    17.1   101     20.9    22.5    93
                                                -----                  -----
                Basin wide percent               103                     91


S. PLATTE

 BLACK MOUNTAIN           8920    11.2      -M      *    16.0      -M      *
 CROW CREEK               8330     3.1      .0      *    12.4    13.6    91
 DEADMAN HILL            10220    18.6    19.2    97     19.4    20.9    93
                                                -----                  -----
                Basin wide percent               113*                    92


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .5      .0      *    13.2    17.3    76
 DIVIDE PEAK              8880    13.8    17.8    78     21.7    24.6    88
 ELK RIVER                8700    13.1    12.5   105     19.6    23.0    85
 LITTLE SNAKE RIVER       8915    21.3    21.8    98     29.6    33.1    89
 OLD BATTLE              10000    30.7    34.7    88     32.8    39.5    83
 SAGE CREEK BASIN         7850      -M     1.0      *    11.5    16.3    71
 SANDSTONE RS             8150     4.6     5.1    90     14.5    21.0    69
 WHISKEY PARK             8950    24.6    26.8    92     30.2    31.8    95
                                                -----                  -----
                Basin wide percent                91                     84


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    10.3     9.8   105     12.0    15.3    78
 BLIND BULL SUM           8650    21.8    22.9    95     16.3    21.5    76
 EAST RIM DIVIDE          7930     2.8     7.9    35     10.3    13.0    79
 ELKHART PARK G.S.        9400    10.3    10.8    95     11.6    15.2    76
 GROS VENTRE SUMMIT       8750    10.2    11.3    90     13.1    14.7    89
 GUNSIGHT PASS            9820    12.3    12.1   102     13.7    16.2    85
 KENDALL R.S.             7740     1.4     3.2    44     11.9    15.6    76
 LOOMIS PARK              8240     8.1    10.5    77     15.5    19.1    81
 NEW FORK LAKE            8340     3.6     6.0    60      7.9    12.3    64
 POCKET CREEK             9360     9.0      -M      *    11.7      -M      *
 SNIDER BASIN             8060     3.6     8.9    40     15.0    15.7    96
 SPRING CREEK DIVIDE      9000    25.2    24.3   104     25.0    26.4    95
 TRIPLE PEAK              8500    19.3    16.7   116     25.9    28.1    92
                                                -----                  -----
                Basin wide percent                89                     84


LOWER GREEN RIVER

 BLACKS FORK JCT          8870     5.9      -M      *    12.4      -M      *
 BUCK PASTURE             9700    13.1      -M      *    18.3      -M      *
 EF BLACKS FORK GS        9308    11.4      -M      *    12.9      -M      *
 HAMS FORK                7840      .8     2.0    40     11.0    13.2    83
 HEWINTA                  9519     8.4     4.4   191     15.0    16.4    91
 HICKERSON PARK           9145     6.0     3.5   171     12.1    12.2    99
 HOLE-IN-ROCK             9150     7.8     2.0   390     13.2    11.6   114
 INDIAN CREEK             9425    22.5    22.5   100     20.8    25.2    83
 KELLEY R.S.              8180    10.3    10.8    95     15.5    20.3    76
 SPIRIT LK               10223    11.8      -M      *    17.5      -M      *
 STEEL CREEK PARK        10200    15.5    17.4    89     18.4    19.3    95
                                                -----                  -----
                Basin wide percent               114                     90


UPPER BEAR RIVER

 BEAR RIVER RS            8500      .7      -M      *    13.3      -M      *
 BUG LAKE                 7950    11.2    14.2    79     17.9    21.8    82
 BURTS MILLER RANCH       8000      .1      -M      *     8.6      -M      *
 CHALK CREEK #1           8993    19.8    23.8    83     24.3    28.7    85
 HAYDEN FORK              9212     8.5     8.8    97     19.6    24.0    82
 KELLEY R.S.              8180    10.3    10.8    95     15.5    20.3    76
 LILY LAKE                9156    11.1     9.9   112     15.2    19.8    77
 MONTE CRISTO             8960    20.6    25.8    80     24.8    29.5    84
 SALT RIVER SUMMIT        7760     6.9     7.6    91     15.9    18.5    86
                                                -----                  -----
                Basin wide percent                88                     82

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


 -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.