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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 8:48a, 5/21/18
Temperature 57.4°F
Wind 1.0 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 TUESDAY: APRIL 13 , 2010
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030     9.2    17.3    53     12.7    22.7    56
 COTTONWOOD CREEK         7670    15.6    24.1    65     21.3    29.3    73
 GRAND TARGHEE            9260    38.5      -M      *    28.8      -M      *
 GRANITE CREEK            6770     9.8    17.5    56     12.2    20.9    58
 GRASSY LAKE              7265      -M    37.1      *      -M    38.1      *
 GROS VENTRE SUMMIT       8750     8.8    14.6    60      8.7    13.8    63
 GUNSIGHT PASS            9820     9.3      -M      *    10.6      -M      *
 LEWIS LAKE DIVIDE        7850    18.9    36.7    51     21.2    38.9    54
 PHILLIPS BENCH           8200    18.7    30.4    62     20.2    30.8    66
 SALT RIVER SUMMIT        7760    10.6    14.7    72     12.5    20.0    63
 SNAKE RIVER STATION      6920     7.6    18.1    42     16.4    23.7    69
 SPRING CREEK DIVIDE      9000    18.6    28.3    66     17.8    28.1    63
 THUMB DIVIDE             7980    10.5    19.0    55     13.3    20.2    66
 TOGWOTEE PASS            9580    19.3    26.4    73     19.3    26.4    73
 TWO OCEAN PLATEAU        9240    21.8    30.2    72     17.7    29.5    60
 WILLOW CREEK             8380    22.2    31.7    70     26.8    34.4    78
                                                -----                  -----
                Basin wide percent of average     62                     65


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    14.1    25.2    56     13.3    21.5    62
 BLACK BEAR               8170    26.7    40.8    65     25.7    42.8    60
 CANYON                   7870     8.7    14.1    62     11.0    16.4    67
 FISHER CREEK             9100    24.0    36.8    65     22.8    38.7    59
 MADISON PLATEAU          7750    16.3    26.1    62     19.8    28.5    69
 NORTHEAST ENTRANCE       7350     5.6    11.0    51      8.9    13.5    66
 PARKER PEAK              9400    19.1    23.2    82     13.2    17.5    75
 SYLVAN LAKE              8420    13.9    24.0    58     17.1    22.4    76
 THUMB DIVIDE             7980    10.5    19.0    55     13.3    20.2    66
 TWO OCEAN PLATEAU        9240    21.8    30.2    72     17.7    29.5    60
 WHISKEY CREEK            6800    10.0    17.8    56     12.6    22.4    56
 WHITE MILL               8700    16.5    25.7    64     15.7    28.7    55
 WOLVERINE                7650     7.1    11.4    62      7.4    13.7    54
                                                -----                  -----
                Basin wide percent of average     64                     63


WIND RIVER

 BURROUGHS CREEK          8750     8.6    15.2    57      8.4    17.4    48
 COLD SPRINGS             9630     7.8     7.8   100      9.9    11.8    84
 DEER PARK                9700    17.8    17.0   105     19.7    23.7    83
 HOBBS PARK              10100    17.5    16.6   105     17.1    14.3   120
 LITTLE WARM              9370     8.0    12.6    63      9.0    14.5    62
 SOUTH PASS               9040    15.9    17.7    90     17.6    20.0    88
 ST. LAWRENCE ALT         8620     9.5     7.5   127     11.1     9.9   112
 TOGWOTEE PASS            9580    19.3    26.4    73     19.3    26.4    73
 TOWNSEND CREEK           8700    13.1     9.7   135     15.8    13.0   122
                                                -----                  -----
                Basin wide percent of average     90                     85


BIGHORN BASIN

 BALD MTN.                9380    13.9    21.4    65     11.5    18.8    61
 BEAR TRAP MEADOW         8200     8.1     4.9   165      9.0     9.2    98
 BLACKWATER               9780    17.5    26.4    66     16.2    22.2    73
 BONE SPRINGS DIV         9350    11.9    17.4    68     10.5    15.9    66
 EVENING STAR             9200    19.8    31.7    62     20.9    27.1    77
 GRAVE SPRINGS            8550     9.9    10.5    94     11.0    11.0   100
 KIRWIN                   9550     9.9    12.2    81      9.5    12.2    78
 MARQUETTE                8760     7.6    10.2    75      8.8    11.1    79
 MIDDLE POWDER            7760    11.4    13.6    84      9.4    13.5    70
 OWL CREEK                8975     6.1     5.4   113      5.5     6.6    83
 POWDER RIVER PASS        9480     9.5    11.8    81     11.4    13.5    84
 SHELL CREEK              9580    11.8    15.9    74     10.7    14.5    74
 SYLVAN LAKE              8420    13.9    24.0    58     17.1    22.4    76
 SYLVAN ROAD              7120     6.2    12.7    49     12.0    18.8    64
 TIMBER CREEK             7950     4.8     5.8    83      6.5     8.3    78
 YOUNTS PEAK              8350    10.5    18.0    58      9.1    17.2    53
                                                -----                  -----
                Basin wide percent of average     71                     74


SHOSHONE RIVER

 BLACKWATER               9780    17.5    26.4    66     16.2    22.2    73
 EVENING STAR             9200    19.8    31.7    62     20.9    27.1    77
 KIRWIN                   9550     9.9    12.2    81      9.5    12.2    78
 MARQUETTE                8760     7.6    10.2    75      8.8    11.1    79
 SYLVAN LAKE              8420    13.9    24.0    58     17.1    22.4    76
 SYLVAN ROAD              7120     6.2    12.7    49     12.0    18.8    64
 YOUNTS PEAK              8350    10.5    18.0    58      9.1    17.2    53
                                                -----                  -----
                Basin wide percent of average     63                     71


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     8.1     4.9   165      9.0     9.2    98
 BIG GOOSE                7990     9.6    12.1    79     10.8    10.1   107
 BONE SPRINGS DIV         9350    11.9    17.4    68     10.5    15.9    66
 BURGESS JUNCTION         7880    10.9    12.9    84     10.8    13.3    81
 CLOUD PEAK RESERVOIR     9860    13.0    14.9    87     11.7    14.3    82
 DOME LAKE                8880     9.0    13.7    66     11.7    14.4    81
 GRAVE SPRINGS            8550     9.9    10.5    94     11.0    11.0   100
 HANSEN SAWMILL           8360     6.7     6.3   106      7.8     9.1    86
 MIDDLE POWDER            7760    11.4    13.6    84      9.4    13.5    70
 POWDER RIVER PASS        9480     9.5    11.8    81     11.4    13.5    84
 SUCKER CREEK             8880    12.5    13.2    95     13.5    14.9    91
 TIE CREEK                6870     3.5     5.5    64     10.1    11.1    91
                                                -----                  -----
                Basin wide percent of average     85                     85


BELLE FOURCHE

 BLIND PARK               6890     5.8     8.0    73     12.2    12.0   102
 COLE CANYON              5910     6.1     7.2    85     10.2     7.4   138
 NORTH RAPID CREEK        6130     7.0     8.9    79     11.2     9.3   120
                                                -----                  -----
                Basin wide percent of average     78                    117


UPPER N. PLATTE RIVER

 COLUMBINE                9160    21.1    24.9    85     23.3    26.8    87
 DIVIDE PEAK              8880    23.5    20.8   113     25.3    22.1   114
 ELK RIVER                8700    19.8    20.0    99     21.1    20.9   101
 JOE WRIGHT              10120    19.8    23.2    85     22.3    26.7    84
 NORTH FRENCH CREEK      10130    38.1    32.0   119     35.6    26.4   135
 OLD BATTLE              10000    36.2    34.2   106     38.0    36.6   104
 SAGE CREEK BASIN         7850    17.6    12.1   145     14.0    12.8   109
 SOUTH BRUSH CREEK        8440    14.2    13.4   106     19.3    17.7   109
 TOWER                   10500      -M    48.8      *      -M    41.0      *
 WEBBER SPRINGS           9250    25.4    26.2    97     29.4    28.5   103
 WILLOW CREEK PASS        9540     9.1    13.3    68     11.6    13.9    83
                                                -----                  -----
                Basin wide percent of average    102                    103


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    22.3    25.9    86     23.2    23.9    97
 CASPER MTN.              7900    18.0    16.3   110     16.8    16.2   104
 DEADMAN HILL            10220    21.7    17.9   121     18.3    18.3   100
 DEER PARK                9700    17.8    17.0   105     19.7    23.7    83
 LAPRELE CREEK            8375    11.1    10.6   105     14.7    13.9   106
 RENO HILL                8400    18.0    15.7   115     19.7    16.8   117
 ROACH                    9700    18.3    18.3   100     21.7    20.0   109
 SAND LAKE               10050    32.6    34.6    94     32.0    26.0   123
 SOUTH PASS               9040    15.9    17.7    90     17.6    20.0    88
 WINDY PEAK               7900    10.2     8.3   123     12.7    11.5   110
                                                -----                  -----
                Basin wide percent of average    102                    103


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440    11.1     9.3   119     15.6    16.9    92
 DIVIDE PEAK              8880    23.5    20.8   113     25.3    22.1   114
 OLD BATTLE              10000    36.2    34.2   106     38.0    36.6   104
 SANDSTONE RS             8150    14.6    13.8   106     18.1    19.9    91
 WHISKEY PARK             8950    27.3    30.7    89     31.5    30.5   103
                                                -----                  -----
                Basin wide percent of average    104                    102


UPPER GREEN RIVER

 BIG SANDY OPENING        9080     9.1    15.3    59     10.0    14.3    70
 BLIND BULL SUM           8650    16.5    28.9    57     12.3    23.6    52
 EAST RIM DIVIDE          7930     6.5    13.9    47      7.4    12.8    58
 ELKHART PARK G.S.        9400     9.0    14.0    64      9.6    14.3    67
 GROS VENTRE SUMMIT       8750     8.8    14.6    60      8.7    13.8    63
 GUNSIGHT PASS            9820     9.3      -M      *    10.6      -M      *
 KENDALL R.S.             7740     6.2    13.9    45      8.5    15.4    55
 LOOMIS PARK              8240     8.5    17.3    49     10.8    18.4    59
 NEW FORK LAKE            8340     6.3    11.5    55      7.0    12.1    58
 POCKET CREEK             9360     8.5      -M      *    11.5      -M      *
 SNIDER BASIN             8060     9.8    15.0    65     11.0    17.2    64
 SPRING CREEK DIVIDE      9000    18.6    28.3    66     17.8    28.1    63
 TRIPLE PEAK              8500    17.9    25.9    69     19.4    26.4    73
                                                -----                  -----
                Basin wide percent of average     59                     62


LOWER GREEN RIVER

 HAMS FORK                7840     8.9    10.5    85      9.9    13.1    76
 HEWINTA                  9519    10.9    12.5    87     12.5    15.9    79
 HICKERSON PARK           9145     9.2     8.4   110     11.5     8.7   132
 HOLE-IN-ROCK             9150     8.1     7.4   109     10.5     8.3   127
 INDIAN CREEK             9425    19.3    29.5    65     17.1    27.2    63
 KELLEY R.S.              8180    11.5    17.4    66     13.9    21.7    64
 STEEL CREEK PARK        10200    14.7    17.0    86     15.7    17.9    88
                                                -----                  -----
                Basin wide percent of average     80                     81


UPPER BEAR RIVER

 BUG LAKE                 7950    11.4    21.8    52     15.1    20.5    74
 HAYDEN FORK              9212    13.4    16.8    80     18.0    22.7    79
 KELLEY R.S.              8180    11.5    17.4    66     13.9    21.7    64
 LILY LAKE                9156    12.7    14.6    87     14.4    19.0    76
 MONTE CRISTO             8960    20.4    30.6    67     19.4    27.3    71
 SALT RIVER SUMMIT        7760    10.6    14.7    72     12.5    20.0    63
 TRIAL LAKE               9992    17.7    26.2    68     15.5    26.7    58
                                                -----                  -----
                Basin wide percent of average     69                     69

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


 -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.