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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


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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 THURSDAY: APRIL 25 , 2013
------------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT    TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Median  Median  Current  Average  Avg
------------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    15.1    10.8   140     21.8    22.1    99
 BLACK BEAR               8170    39.2    36.9   106     37.2    40.7    91
 BLIND BULL SUM           8650    22.7    24.3    93     16.2    20.7    78
 COTTONWOOD CREEK         7670    18.5    17.3   107     26.1    26.5    98
 EAST RIM DIVIDE          7930     8.5     9.0    94     10.2    12.4    82
 GRAND TARGHEE            9260    41.7    43.1    97     30.9    33.5    92
 GRANITE CREEK            6770    11.6     9.5   122     16.7    20.6    81
 GRASSY LAKE              7265    29.4    30.2    97     33.9    38.2    89
 GROS VENTRE SUMMIT       8750    10.0    12.5    80     13.0    14.0    93
 GUNSIGHT PASS            9820    12.0    13.5    89     13.4    15.4    87
 LEWIS LAKE DIVIDE        7850    31.3    30.7   102     34.1    37.5    91
 PHILLIPS BENCH           8200    25.6    25.4   101     26.6    29.8    89
 SALT RIVER SUMMIT        7760    10.1     8.5   119     15.9    17.8    89
 SNAKE RIVER STATION      6920    13.6    10.1   135     23.0    24.0    96
 SPRING CREEK DIVIDE      9000    26.2    23.7   111     25.0    25.4    98
 THUMB DIVIDE             7980    16.4    14.2   115     18.6    20.2    92
 TOGWOTEE PASS            9580    23.6    24.4    97     24.4    26.3    93
 TWO OCEAN PLATEAU        9240    31.6    29.0   109     27.2    29.2    93
 WILLOW CREEK             8380    28.5    25.7   111     34.7    36.3    96
 YOUNTS PEAK              8350    14.2    15.1    94     13.3    17.0    78
                                                -----                  -----
                Basin wide percent               104                     91


MADISON-GALLATIN

 BLACK BEAR               8170    39.2    36.9   106     37.2    40.7    91
 CANYON                   7870    12.4    11.7   106     13.8    17.4    79
 MADISON PLATEAU          7750    22.5    22.6   100     25.7    28.0    92
 WEST YELLOWSTONE         6700     3.5     5.1    69     14.2    15.4    92
 WHISKEY CREEK            6800    11.0    15.5    71     19.2    21.7    88
                                                -----                  -----
                Basin wide percent                97                     89


YELLOWSTONE

 BEARTOOTH LAKE           9360    19.5    23.6    83     19.7    21.2    93
 BURNT MTN                5880     1.2      .0      *    11.5    14.9    77
 CANYON                   7870    12.4    11.7   106     13.8    17.4    79
 COLE CREEK               7850    14.3    16.3    88     10.8    15.2    71
 EVENING STAR             9200    26.7    24.5   109     30.1    29.4   102
 FISHER CREEK             9100    32.0    33.2    96     32.9    34.1    96
 NORTHEAST ENTRANCE       7350     5.5     5.1   108     12.1    13.3    91
 PARKER PEAK              9400    25.4    21.8   117     22.7    19.3   118
 SYLVAN LAKE              8420    19.4    20.3    96     25.2    24.2   104
 THUMB DIVIDE             7980    16.4    14.2   115     18.6    20.2    92
 TWO OCEAN PLATEAU        9240    31.6    29.0   109     27.2    29.2    93
 WHITE MILL               8700    25.0    23.8   105     23.4    25.4    92
 WOLVERINE                7650     6.4     5.6   114     11.7    13.2    89
                                                -----                  -----
                Basin wide percent               103                     94


WIND RIVER

 BURROUGHS CREEK          8750    13.2    13.1   101     12.3    17.2    72
 CASTLE CREEK             8400     2.1      -M      *     8.7      -M      *
 COLD SPRINGS             9630     4.6     3.1   148      9.7    11.6    84
 DEER PARK                9700    14.1    16.3    87     15.9    22.7    70
 HOBBS PARK              10100    13.7    15.6    88     13.1    15.7    83
 KIRWIN                   9550    11.0    10.1   109     12.6    13.0    97
 LITTLE WARM              9370    10.6     9.5   112     12.9    14.5    89
 OWL CREEK                8975     6.1     2.7   226      6.9     7.3    95
 SOUTH PASS               9040    12.7    15.2    84     11.7    19.4    60
 ST. LAWRENCE ALT         8620     3.6     4.9    73      9.6    10.6    91
 TOGWOTEE PASS            9580    23.6    24.4    97     24.4    26.3    93
 TOWNSEND CREEK           8700     8.4     8.8    95     11.4    14.1    81
                                                -----                  -----
                Basin wide percent                98                     81


BIGHORN BASIN

 BALD MTN.                9380    17.8    20.4    87     12.6    18.7    67
 BEAR TRAP MEADOW         8200     9.2     2.0   460     11.1     9.9   112
 BONE SPRINGS DIV         9350    16.6    16.4   101     13.4    17.3    77
 GRAVE SPRINGS            8550     7.9     9.2    86      9.9    12.2    81
 KIRWIN                   9550    11.0    10.1   109     12.6    13.0    97
 MARQUETTE                8760     9.4      -M      *    10.8      -M      *
 MIDDLE POWDER            7760    13.9    12.3   113     15.6    13.3   117
 OWL CREEK                8975     6.1     2.7   226      6.9     7.3    95
 POWDER RIVER PASS        9480    13.3    10.2   130     15.5    14.2   109
 SHELL CREEK              9580    17.1    15.8   108     15.4    15.3   101
 TIMBER CREEK             7950     4.9     3.7   132      9.1     9.0   101
                                                -----                  -----
                Basin wide percent               115                     94


SHOSHONE RIVER

 BLACKWATER               9780    25.8    24.4   106     25.2    22.5   112
 EVENING STAR             9200    26.7    24.5   109     30.1    29.4   102
 MARQUETTE                8760     9.4      -M      *    10.8      -M      *
 SYLVAN ROAD              7120     5.5     8.3    66     16.8    17.9    94
 YOUNTS PEAK              8350    14.2    15.1    94     13.3    17.0    78
                                                -----                  -----
                Basin wide percent               100                     98


POWDER RIVER

 BEAR TRAP MEADOW         8200     9.2     2.0   460     11.1     9.9   112
 CLOUD PEAK RESERVOIR     9860    15.3    16.3    94     13.7    15.6    88
 GRAVE SPRINGS            8550     7.9     9.2    86      9.9    12.2    81
 HANSEN SAWMILL           8360     7.5     4.3   174      9.7    10.1    96
 MIDDLE POWDER            7760    13.9    12.3   113     15.6    13.3   117
 POWDER RIVER PASS        9480    13.3    10.2   130     15.5    14.2   109
 SOLDIER PARK             8720     6.1      -M      *     9.5      -M      *
                                                -----                  -----
                Basin wide percent               124                    100


TONGUE RIVER

 BIG GOOSE                7990     9.0     9.1    99     10.6    13.4    79
 BONE SPRINGS DIV         9350    16.6    16.4   101     13.4    17.3    77
 BURGESS JUNCTION         7880    12.2    12.4    98     11.4    13.9    82
 DOME LAKE                8880    11.1    11.8    94     11.4    15.4    74
 LITTLE GOOSE             8870    10.1      -M      *    13.7      -M      *
 SUCKER CREEK             8880    14.1    12.7   111     14.6    16.4    89
 TIE CREEK                6870     6.0     3.5   171     12.4    13.6    91
                                                -----                  -----
                Basin wide percent               105                     82


BELLE FOURCHE

 COLE CANYON              5910     5.4      .8   675     10.4    10.9    95
                                                -----                  -----
                Basin wide percent               675                     95


CHEYENNE RIVER BASIN

 BLIND PARK               6890     6.8     3.6   189     14.0    13.6   103
 NORTH RAPID CREEK        6130     6.7     3.5   191     11.8    11.6   102
                                                -----                  -----
                Basin wide percent               190                    102


UPPER N. PLATTE

 ARAPAHO RIDGE           10960    23.1    21.8   106     23.0    25.4    91
 BLACKHALL MTN            9820    29.9      -M      *    30.6      -M      *
 COLUMBINE                9160    23.0    20.6   112     25.6    27.7    92
 DIVIDE PEAK              8880    16.1    18.1    89     21.3    23.5    91
 JOE WRIGHT              10120    22.1    23.2    95     29.8    28.8   103
 LAPRELE CREEK            8375     7.1     7.3    97     10.5    14.3    73
 MED BOW                 10500     3.6      -M      *    32.8      -M      *
 NORTH FRENCH CREEK      10130    27.4    32.6    84     26.5    29.5    90
 NEVER SUMMER            10280    21.1    21.1   100     15.9      -M      *
 OLD BATTLE              10000    30.7    34.1    90     31.9    37.9    84
 RAWAH                    9020    14.1     8.0   176     17.2    16.6   104
 SAGE CREEK BASIN         7850      -M     2.7      *    11.5    15.6    74
 SAND LAKE               10050    26.6    31.0    86     26.2    27.9    94
 SOUTH BRUSH CREEK        8440    11.3    10.0   113     14.7    17.0    86
 TOWER                   10500    38.7    49.3    78     24.0    43.3    55
 WEBBER SPRINGS           9250    22.9    21.9   105     25.4    29.0    88
 WILLOW CREEK PASS        9540    18.1    13.7   132     17.8    15.1   118
 ZIRKEL                   9340    26.7    22.3   120     31.5    30.3   104
                                                -----                  -----
                Basin wide percent                98                     88


SWEETWATER

 DEER PARK                9700    14.1    16.3    87     15.9    22.7    70
 LARSEN CREEK             9000     2.6      -M      *    11.8      -M      *
 SOUTH PASS               9040    12.7    15.2    84     11.7    19.4    60
                                                -----                  -----
                Basin wide percent                85                     66


LOWER N. PLATTE

 CASPER MTN.              7900    13.7    14.2    96     11.2    17.1    65
 LAPRELE CREEK            8375     7.1     7.3    97     10.5    14.3    73
 RENO HILL                8400    13.5    13.8    98     15.3    17.9    85
 WINDY PEAK               7900     6.2     6.1   102      9.6    12.3    78
                                                -----                  -----
                Basin wide percent                98                     76


LARAMIE RIVER

 BROOKLYN LAKE           10240    21.2    22.8    93     21.0    23.7    89
 CINNABAR PARK            9574    14.5    20.0    72     22.1    26.1    85
 CROW CREEK               8330     6.0      .0      *    10.6    12.8    83
 DEADMAN HILL            10220    18.0    18.1    99     17.6    19.8    89
 RAWAH                    9020    14.1     8.0   176     17.2    16.6   104
 ROACH                    9700    17.1    16.8   102     19.1    21.4    89
                                                -----                  -----
                Basin wide percent               106                     89


S. PLATTE

 BLACK MOUNTAIN           8920    12.2      -M      *    14.1      -M      *
 CROW CREEK               8330     6.0      .0      *    10.6    12.8    83
 DEADMAN HILL            10220    18.0    18.1    99     17.6    19.8    89
                                                -----                  -----
                Basin wide percent               133*                    87


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440     5.1     1.9   268     13.3    16.5    81
 DIVIDE PEAK              8880    16.1    18.1    89     21.3    23.5    91
 ELK RIVER                8700    16.6    14.6   114     19.4    21.9    89
 LITTLE SNAKE RIVER       8915    23.9    23.3   103     29.3    31.7    92
 OLD BATTLE              10000    30.7    34.1    90     31.9    37.9    84
 SAGE CREEK BASIN         7850      -M     2.7      *    11.5    15.6    74
 SANDSTONE RS             8150     9.3     8.6   108     14.5    20.1    72
 WHISKEY PARK             8950    27.8    25.6   109     29.6    30.4    97
                                                -----                  -----
                Basin wide percent               103                     86


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    11.7    12.1    97     11.8    14.6    81
 BLIND BULL SUM           8650    22.7    24.3    93     16.2    20.7    78
 EAST RIM DIVIDE          7930     8.5     9.0    94     10.2    12.4    82
 ELKHART PARK G.S.        9400    10.4    11.8    88     11.3    14.4    78
 GROS VENTRE SUMMIT       8750    10.0    12.5    80     13.0    14.0    93
 GUNSIGHT PASS            9820    12.0    13.5    89     13.4    15.4    87
 KENDALL R.S.             7740     5.8     6.6    88     12.0    15.0    80
 LOOMIS PARK              8240    11.2    11.9    94     15.3    18.3    84
 NEW FORK LAKE            8340     6.9     7.4    93      7.8    11.6    67
 POCKET CREEK             9360     9.7      -M      *    11.3      -M      *
 SNIDER BASIN             8060     9.1    10.1    90     15.0    15.1    99
 SPRING CREEK DIVIDE      9000    26.2    23.7   111     25.0    25.4    98
 TRIPLE PEAK              8500    22.6    19.0   119     25.7    27.0    95
                                                -----                  -----
                Basin wide percent                97                     87


LOWER GREEN RIVER

 BLACKS FORK JCT          8870     8.9      -M      *    12.3      -M      *
 BUCK PASTURE             9700    16.1      -M      *    18.2      -M      *
 EF BLACKS FORK GS        9308    16.2      -M      *    12.6      -M      *
 HAMS FORK                7840     7.3     5.0   146     10.6    12.5    85
 HEWINTA                  9519    13.5     6.9   196     15.0    15.5    97
 HICKERSON PARK           9145     8.2     5.0   164     11.9    11.5   103
 HOLE-IN-ROCK             9150    10.6     5.0   212     13.0    11.0   118
 INDIAN CREEK             9425    24.5    23.7   103     20.8    24.2    86
 KELLEY R.S.              8180    13.5    11.9   113     15.5    19.5    79
 SPIRIT LK               10223    13.2      -M      *    17.3      -M      *
 STEEL CREEK PARK        10200    16.5    16.5   100     18.2    18.4    99
                                                -----                  -----
                Basin wide percent               127                     93


UPPER BEAR RIVER

 BEAR RIVER RS            8500     7.0      -M      *    13.4      -M      *
 BUG LAKE                 7950    14.1    16.2    87     18.0    20.9    86
 BURTS MILLER RANCH       8000     4.1      -M      *     8.7      -M      *
 CHALK CREEK #1           8993    22.4    24.6    91     24.3    27.5    88
 HAYDEN FORK              9212    13.9    10.7   130     19.6    22.9    86
 KELLEY R.S.              8180    13.5    11.9   113     15.5    19.5    79
 LILY LAKE                9156    13.5     9.9   136     15.1    18.8    80
 MONTE CRISTO             8960    23.6    27.4    86     24.8    28.2    88
 SALT RIVER SUMMIT        7760    10.1     8.5   119     15.9    17.8    89
                                                -----                  -----
                Basin wide percent               102                     86

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


 -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.