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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 8:58a, 5/21/18
Temperature 59.3°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: MARCH 22 , 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    14.7   103     18.6    19.2    97
 BLACK BEAR               8170    33.8    32.9   103     32.2    34.8    93
 BLIND BULL SUM           8650    17.3    20.7    84     12.8    17.8    72
 COTTONWOOD CREEK         7670    16.9    20.2    84     21.5    22.2    97
 EAST RIM DIVIDE          7930     8.9     9.6    93      7.5    10.6    71
 GRAND TARGHEE            9260    33.8    33.2   102     25.6    27.2    94
 GRANITE CREEK            6770    11.6    14.8    78     13.4    18.2    74
 GRASSY LAKE              7265    26.4    29.6    89     29.4    32.9    89
 GROS VENTRE SUMMIT       8750     9.3    11.8    79      9.8    11.5    85
 GUNSIGHT PASS            9820    10.1    12.2    83     10.4    12.2    85
 LEWIS LAKE DIVIDE        7850    26.8    28.0    96     29.5    32.4    91
 PHILLIPS BENCH           8200    20.3    22.6    90     21.5    25.5    84
 SALT RIVER SUMMIT        7760     9.4    12.1    78     13.0    15.1    86
 SNAKE RIVER STATION      6920    14.6    15.4    95     20.0    20.6    97
 SPRING CREEK DIVIDE      9000    19.6    21.5    91     19.5    21.6    90
 THUMB DIVIDE             7980    14.9    14.3   104     15.7    16.6    95
 TOGWOTEE PASS            9580    18.6    20.8    89     19.4    21.9    89
 TWO OCEAN PLATEAU        9240    25.5    24.2   105     22.4    24.7    91
 WILLOW CREEK             8380    23.6    25.3    93     27.8    30.2    92
 YOUNTS PEAK              8350    11.6    13.6    85     10.6    14.3    74
                                                -----                  -----
                Basin wide percent                93                     89


MADISON-GALLATIN

 BLACK BEAR               8170    33.8    32.9   103     32.2    34.8    93
 CANYON                   7870    10.4    11.8    88     11.5    14.7    78
 MADISON PLATEAU          7750    19.9    20.2    99     22.9    23.8    96
 WEST YELLOWSTONE         6700     8.6    10.0    86     12.6    12.8    98
 WHISKEY CREEK            6800    10.4    14.3    73     17.0    18.3    93
                                                -----                  -----
                Basin wide percent                93                     92


YELLOWSTONE

 BEARTOOTH LAKE           9360    15.7    19.7    80     15.9    17.9    89
 BURNT MTN                5880     3.3     4.7    70      8.2    11.0    75
 CANYON                   7870    10.4    11.8    88     11.5    14.7    78
 COLE CREEK               7850     8.9    12.2    73      7.0    10.9    64
 EVENING STAR             9200    22.5    22.5   100     25.0    24.7   101
 FISHER CREEK             9100    29.0    28.3   102     28.1    28.8    98
 NORTHEAST ENTRANCE       7350     6.8     9.2    74     10.4    11.0    95
 PARKER PEAK              9400    19.1    17.8   107     18.7    15.8   118
 SYLVAN LAKE              8420    15.9    18.3    87     20.6    20.1   102
 THUMB DIVIDE             7980    14.9    14.3   104     15.7    16.6    95
 TWO OCEAN PLATEAU        9240    25.5    24.2   105     22.4    24.7    91
 WHITE MILL               8700    20.2    20.2   100     19.4    21.4    91
 WOLVERINE                7650     7.9     8.9    89      9.2    11.1    83
                                                -----                  -----
                Basin wide percent                94                     93


WIND RIVER

 BURROUGHS CREEK          8750     9.7    12.4    78      8.7    14.4    60
 CASTLE CREEK             8400     5.2      -M      *     6.9      -M      *
 COLD SPRINGS             9630     5.7     6.5    88      7.6     8.6    88
 DEER PARK                9700    10.5    13.7    77     12.0    17.4    69
 HOBBS PARK              10100     9.8    12.1    81      8.8    11.3    78
 KIRWIN                   9550      -M     8.5      *      -M    10.1      *
 LITTLE WARM              9370     8.6     9.4    91      9.9    11.3    88
 OWL CREEK                8975     4.7     4.6   102      4.7     5.1    92
 SOUTH PASS               9040     9.0    14.2    63      7.9    15.5    51
 ST. LAWRENCE ALT         8620     3.7     6.3    59      6.1     7.6    80
 TOGWOTEE PASS            9580    18.6    20.8    89     19.4    21.9    89
 TOWNSEND CREEK           8700     4.5     8.4    54      6.6    10.2    65
                                                -----                  -----
                Basin wide percent                78                     74


BIGHORN BASIN

 BALD MTN.                9380    13.3    16.6    80      9.1    15.0    61
 BEAR TRAP MEADOW         8200     7.4     5.2   142      7.7     7.2   107
 BONE SPRINGS DIV         9350    12.7    14.2    89     10.1    13.6    74
 GRAVE SPRINGS            8550     6.6     8.3    80      7.4     9.1    81
 KIRWIN                   9550      -M     8.5      *      -M    10.1      *
 MARQUETTE                8760     5.2      -M      *     7.3      -M      *
 MIDDLE POWDER            7760    10.1    10.1   100     12.0    10.2   118
 OWL CREEK                8975     4.7     4.6   102      4.7     5.1    92
 POWDER RIVER PASS        9480    10.3     9.3   111     11.3    11.0   103
 SHELL CREEK              9580    12.2    13.0    94     10.9    12.0    91
 TIMBER CREEK             7950     3.2     4.1    78      5.8     6.2    94
                                                -----                  -----
                Basin wide percent                94                     88


SHOSHONE RIVER

 BLACKWATER               9780    19.8    21.0    94     19.6    18.3   107
 EVENING STAR             9200    22.5    22.5   100     25.0    24.7   101
 MARQUETTE                8760     5.2      -M      *     7.3      -M      *
 SYLVAN ROAD              7120     8.5    10.5    81     14.4    15.3    94
 YOUNTS PEAK              8350    11.6    13.6    85     10.6    14.3    74
                                                -----                  -----
                Basin wide percent                92                     96


POWDER RIVER

 BEAR TRAP MEADOW         8200     7.4     5.2   142      7.7     7.2   107
 CLOUD PEAK RESERVOIR     9860    10.6    13.1    81      9.9    11.4    87
 GRAVE SPRINGS            8550     6.6     8.3    80      7.4     9.1    81
 HANSEN SAWMILL           8360     5.2     5.8    90      6.7     7.3    92
 MIDDLE POWDER            7760    10.1    10.1   100     12.0    10.2   118
 POWDER RIVER PASS        9480    10.3     9.3   111     11.3    11.0   103
 SOLDIER PARK             8720     3.9      -M      *     6.6      -M      *
                                                -----                  -----
                Basin wide percent                97                     98


TONGUE RIVER

 BIG GOOSE                7990     6.1     8.0    76      7.6     9.4    81
 BONE SPRINGS DIV         9350    12.7    14.2    89     10.1    13.6    74
 BURGESS JUNCTION         7880     9.3     9.7    96      8.8    10.6    83
 DOME LAKE                8880     8.3    10.4    80      8.2    11.7    70
 LITTLE GOOSE             8870     7.2      -M      *    10.1      -M      *
 SUCKER CREEK             8880    10.8    11.0    98     10.9    12.4    88
 TIE CREEK                6870     4.7     5.1    92      9.1     9.9    92
                                                -----                  -----
                Basin wide percent                89                     81


BELLE FOURCHE

 COLE CANYON              5910     4.0     5.6    71      6.4     8.0    80
                                                -----                  -----
                Basin wide percent                71                     80


CHEYENNE RIVER BASIN

 BLIND PARK               6890     6.2     7.2    86      9.8    10.6    92
 NORTH RAPID CREEK        6130     6.0     6.6    91      7.5     8.7    86
                                                -----                  -----
                Basin wide percent                88                     90


UPPER N. PLATTE

 ARAPAHO RIDGE           10960    16.9    18.1    93     16.8    19.8    85
 BLACKHALL MTN            9820    21.9      -M      *    23.2      -M      *
 COLUMBINE                9160    19.6    22.1    89     19.3    23.2    83
 DIVIDE PEAK              8880    13.6    17.9    76     15.3    19.3    79
 JOE WRIGHT              10120    13.3    19.3    69     21.0    23.1    91
 LAPRELE CREEK            8375     5.2     9.3    56      7.1    10.9    65
 MED BOW                 10500    16.6      -M      *    26.0      -M      *
 NORTH FRENCH CREEK      10130    20.1    25.8    78     19.8    23.9    83
 NEVER SUMMER            10280    13.5    18.0    75     10.5      -M      *
 OLD BATTLE              10000    22.4    26.8    84     24.6    31.8    77
 RAWAH                    9020     9.8     9.7   101     12.2      -M      *
 SAGE CREEK BASIN         7850    11.6    11.5   101      9.3    13.0    72
 SAND LAKE               10050    20.1    25.1    80     19.8    21.9    90
 SOUTH BRUSH CREEK        8440     8.9    11.2    79     10.0    13.5    74
 TOWER                   10500    30.5    40.5    75     26.9    36.1    75
 WEBBER SPRINGS           9250    17.7    21.3    83     18.9    24.1    78
 WILLOW CREEK PASS        9540    11.2    11.0   102     11.9    11.8   101
 ZIRKEL                   9340    20.7    25.6    81     23.2      -M      *
                                                -----                  -----
                Basin wide percent                81                     81


SWEETWATER

 DEER PARK                9700    10.5    13.7    77     12.0    17.4    69
 LARSEN CREEK             9000     7.4      -M      *     9.7      -M      *
 SOUTH PASS               9040     9.0    14.2    63      7.9    15.5    51
                                                -----                  -----
                Basin wide percent                70                     60


LOWER N. PLATTE

 CASPER MTN.              7900     8.9    12.5    71      7.6    12.9    59
 LAPRELE CREEK            8375     5.2     9.3    56      7.1    10.9    65
 RENO HILL                8400     9.3    12.2    76     10.6    13.2    80
 WINDY PEAK               7900     3.9     7.3    53      6.3     9.2    68
                                                -----                  -----
                Basin wide percent                66                     68


LARAMIE RIVER

 BROOKLYN LAKE           10240    15.2    17.9    85     14.4    18.7    77
 CINNABAR PARK            9574    13.2    18.4    72     15.2    21.5    71
 CROW CREEK               8330     4.9     6.9    71      6.8     9.1    75
 DEADMAN HILL            10220    12.4    14.1    88     12.1    15.2    80
 RAWAH                    9020     9.8     9.7   101     12.2      -M      *
 ROACH                    9700    11.2    14.2    79     12.7    17.1    74
                                                -----                  -----
                Basin wide percent                82                     75


S. PLATTE

 BLACK MOUNTAIN           8920     7.5      -M      *     8.8      -M      *
 CROW CREEK               8330     4.9     6.9    71      6.8     9.1    75
 DEADMAN HILL            10220    12.4    14.1    88     12.1    15.2    80
                                                -----                  -----
                Basin wide percent                82                     78


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440     7.1    11.3    63      9.3    13.7    68
 DIVIDE PEAK              8880    13.6    17.9    76     15.3    19.3    79
 ELK RIVER                8700    13.4    17.4    77     13.3    18.1    73
 LITTLE SNAKE RIVER       8915    18.8    21.3    88     22.7    26.7    85
 OLD BATTLE              10000    22.4    26.8    84     24.6    31.8    77
 SAGE CREEK BASIN         7850    11.6    11.5   101      9.3    13.0    72
 SANDSTONE RS             8150     8.8    12.6    70     10.8    16.8    64
 WHISKEY PARK             8950    21.4    24.5    87     22.4    25.2    89
                                                -----                  -----
                Basin wide percent                82                     78


UPPER GREEN RIVER

 BIG SANDY OPENING        9080     9.1    11.8    77      9.2    11.9    77
 BLIND BULL SUM           8650    17.3    20.7    84     12.8    17.8    72
 EAST RIM DIVIDE          7930     8.9     9.6    93      7.5    10.6    71
 ELKHART PARK G.S.        9400     8.6    10.9    79      8.9    11.9    75
 GROS VENTRE SUMMIT       8750     9.3    11.8    79      9.8    11.5    85
 GUNSIGHT PASS            9820    10.1    12.2    83     10.4    12.2    85
 KENDALL R.S.             7740     8.8    11.4    77      9.9    13.0    76
 LOOMIS PARK              8240    10.2    13.6    75     11.7    15.7    75
 NEW FORK LAKE            8340     7.2     9.4    77      6.0     9.8    61
 POCKET CREEK             9360     7.1      -M      *     8.9      -M      *
 SNIDER BASIN             8060     9.2    11.1    83     11.3    12.9    88
 SPRING CREEK DIVIDE      9000    19.6    21.5    91     19.5    21.6    90
 TRIPLE PEAK              8500    17.5    19.8    88     20.0    23.0    87
                                                -----                  -----
                Basin wide percent                83                     80


LOWER GREEN RIVER

 BLACKS FORK JCT          8870     6.1      -M      *     8.1      -M      *
 BUCK PASTURE             9700    11.0      -M      *    13.2      -M      *
 EF BLACKS FORK GS        9308    11.4      -M      *     7.9      -M      *
 HAMS FORK                7840     8.4    10.4    81      7.6    10.3    74
 HEWINTA                  9519     9.3     9.9    94     10.4    12.5    83
 HICKERSON PARK           9145     6.6     6.7    99      7.6     9.0    84
 HOLE-IN-ROCK             9150     7.7     6.8   113      8.4     8.4   100
 INDIAN CREEK             9425    17.3    21.6    80     15.1    20.4    74
 KELLEY R.S.              8180    10.8    13.7    79     11.9    16.4    73
 SPIRIT LK               10223     9.2      -M      *    12.9      -M      *
 STEEL CREEK PARK        10200    10.9    13.6    80     12.7    14.5    88
                                                -----                  -----
                Basin wide percent                86                     81


UPPER BEAR RIVER

 BEAR RIVER RS            8500     7.4      -M      *     9.4      -M      *
 BUG LAKE                 7950    12.9    16.9    76     14.3    17.6    81
 BURTS MILLER RANCH       8000     6.2      -M      *     6.7      -M      *
 CHALK CREEK #1           8993    16.1    21.6    75     18.4    22.4    82
 HAYDEN FORK              9212     9.9    14.4    69     14.0    18.8    74
 KELLEY R.S.              8180    10.8    13.7    79     11.9    16.4    73
 LILY LAKE                9156     9.7    11.5    84     10.6    15.2    70
 MONTE CRISTO             8960    17.3    24.7    70     19.6    23.4    84
 SALT RIVER SUMMIT        7760     9.4    12.1    78     13.0    15.1    86
                                                -----                  -----
                Basin wide percent                75                     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.