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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 3:13p, 5/22/18
Temperature 65.7°F
Wind 12.0 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: APRIL 18 , 2010
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030     8.4    16.4    51     13.6    23.1    59
 COTTONWOOD CREEK         7670    15.4    23.5    66     22.2    30.0    74
 GRAND TARGHEE            9260    39.5      -M      *    30.0      -M      *
 GRANITE CREEK            6770     8.9    16.6    54     12.7    21.2    60
 GRASSY LAKE              7265    22.9    36.9    62     26.9    38.8    69
 GROS VENTRE SUMMIT       8750     8.5    14.6    58      8.9    14.2    63
 GUNSIGHT PASS            9820     9.5      -M      *    11.0      -M      *
 LEWIS LAKE DIVIDE        7850    19.5    36.7    53     22.2    39.7    56
 PHILLIPS BENCH           8200    18.5    30.7    60     20.8    31.4    66
 SALT RIVER SUMMIT        7760    10.1    14.1    72     13.0    20.5    63
 SNAKE RIVER STATION      6920     7.3    17.0    43     17.1    24.2    71
 SPRING CREEK DIVIDE      9000    19.3    28.7    67     18.5    28.7    64
 THUMB DIVIDE             7980    10.1    18.4    55     13.7    20.6    67
 TOGWOTEE PASS            9580    19.5    26.9    72     19.7    27.1    73
 TWO OCEAN PLATEAU        9240    22.8    30.8    74     18.6    30.2    62
 WILLOW CREEK             8380    21.7    31.9    68     28.0    35.2    80
                                                -----                  -----
                Basin wide percent of average     62                     66


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    14.7    25.5    58     13.9    22.0    63
 BLACK BEAR               8170    27.3    41.1    66     26.6    43.7    61
 CANYON                   7870     8.5    13.6    63     11.2    16.7    67
 FISHER CREEK             9100    25.0    37.1    67     23.6    39.5    60
 MADISON PLATEAU          7750    16.4    26.0    63     20.5    29.1    70
 NORTHEAST ENTRANCE       7350     4.1    10.3    40      9.1    13.8    66
 PARKER PEAK              9400    19.4    23.5    83     13.4    18.0    74
 SYLVAN LAKE              8420    14.1    24.2    58     18.0    23.0    78
 THUMB DIVIDE             7980    10.1    18.4    55     13.7    20.6    67
 TWO OCEAN PLATEAU        9240    22.8    30.8    74     18.6    30.2    62
 WHISKEY CREEK            6800     9.9    17.7    56     13.0    22.8    57
 WHITE MILL               8700    17.0    26.1    65     16.3    29.4    55
 WOLVERINE                7650     6.0    10.7    56      7.6    14.1    54
                                                -----                  -----
                Basin wide percent of average     64                     64


WIND RIVER

 BURROUGHS CREEK          8750      -M    15.1      *      -M    17.9      *
 COLD SPRINGS             9630     6.9     6.6   105      9.9    12.3    80
 DEER PARK                9700    17.7    17.6   101     20.4    24.5    83
 HOBBS PARK              10100    17.3    16.9   102     17.2    15.0   115
 LITTLE WARM              9370     7.9    12.4    64      9.0    15.1    60
 SOUTH PASS               9040    15.6    17.7    88     17.9    20.7    86
 ST. LAWRENCE ALT         8620     8.6     7.1   121     11.1    10.4   107
 TOGWOTEE PASS            9580    19.5    26.9    72     19.7    27.1    73
 TOWNSEND CREEK           8700    12.3     9.7   127     15.9    13.7   116
                                                -----                  -----
                Basin wide percent of average     92                     87


BIGHORN BASIN

 BALD MTN.                9380    13.9    22.0    63     11.8    19.4    61
 BEAR TRAP MEADOW         8200     7.3     4.4   166      9.0     9.6    94
 BLACKWATER               9780    18.5    27.0    69     17.0    22.9    74
 BONE SPRINGS DIV         9350    12.0    17.7    68     10.7    16.5    65
 EVENING STAR             9200    20.2    32.2    63     21.6    27.9    77
 GRAVE SPRINGS            8550     9.5    10.8    88     11.0    11.6    95
 KIRWIN                   9550     9.7    12.4    78      9.8    12.7    77
 MARQUETTE                8760     7.6    10.6    72      9.1    11.7    78
 MIDDLE POWDER            7760    11.1    14.0    79      9.3    14.1    66
 OWL CREEK                8975     4.5     5.1    88      5.6     7.0    80
 POWDER RIVER PASS        9480     8.8    11.8    75     11.7    14.1    83
 SHELL CREEK              9580    12.0    16.2    74     10.9    15.1    72
 SYLVAN LAKE              8420    14.1    24.2    58     18.0    23.0    78
 SYLVAN ROAD              7120     5.3    11.6    46     12.7    19.2    66
 TIMBER CREEK             7950     4.4     5.6    79      6.8     8.8    77
 YOUNTS PEAK              8350    11.1    18.2    61      9.8    17.6    56
                                                -----                  -----
                Basin wide percent of average     70                     74


SHOSHONE RIVER

 BLACKWATER               9780    18.5    27.0    69     17.0    22.9    74
 EVENING STAR             9200    20.2    32.2    63     21.6    27.9    77
 KIRWIN                   9550     9.7    12.4    78      9.8    12.7    77
 MARQUETTE                8760     7.6    10.6    72      9.1    11.7    78
 SYLVAN LAKE              8420    14.1    24.2    58     18.0    23.0    78
 SYLVAN ROAD              7120     5.3    11.6    46     12.7    19.2    66
 YOUNTS PEAK              8350    11.1    18.2    61      9.8    17.6    56
                                                -----                  -----
                Basin wide percent of average     64                     73


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     7.3     4.4   166      9.0     9.6    94
 BIG GOOSE                7990     9.0    12.5    72     10.8    10.9    99
 BONE SPRINGS DIV         9350    12.0    17.7    68     10.7    16.5    65
 BURGESS JUNCTION         7880    10.5    13.2    80     10.8    13.8    78
 CLOUD PEAK RESERVOIR     9860    12.8    15.4    83     11.8    15.0    79
 DOME LAKE                8880     8.4    13.9    60     11.8    15.0    79
 GRAVE SPRINGS            8550     9.5    10.8    88     11.0    11.6    95
 HANSEN SAWMILL           8360     5.6     6.0    93      7.8     9.5    82
 MIDDLE POWDER            7760    11.1    14.0    79      9.3    14.1    66
 POWDER RIVER PASS        9480     8.8    11.8    75     11.7    14.1    83
 SUCKER CREEK             8880    11.7    13.4    87     13.5    15.5    87
 TIE CREEK                6870     1.3     5.4    24     10.1    11.7    86
                                                -----                  -----
                Basin wide percent of average     78                     82


BELLE FOURCHE

 BLIND PARK               6890     3.0     7.4    41     12.2    12.6    97
 COLE CANYON              5910     4.4     7.0    63     10.3     7.8   132
 NORTH RAPID CREEK        6130     3.8     8.6    44     11.2     9.7   115
                                                -----                  -----
                Basin wide percent of average     49                    112


UPPER N. PLATTE RIVER

 COLUMBINE                9160    19.3    24.4    79     23.4    27.5    85
 DIVIDE PEAK              8880    22.8    20.9   109     25.6    22.6   113
 ELK RIVER                8700    17.5    19.3    91     21.3    21.5    99
 JOE WRIGHT              10120    20.1    23.9    84     22.9    27.6    83
 NORTH FRENCH CREEK      10130    37.6    32.9   114     36.0    27.2   132
 OLD BATTLE              10000    36.1    35.0   103     38.6    37.5   103
 SAGE CREEK BASIN         7850    15.7    12.1   130     14.0    13.1   107
 SOUTH BRUSH CREEK        8440    13.0    13.2    98     19.5    18.3   107
 TOWER                   10500    38.0    50.0    76     35.3    42.1    84
 WEBBER SPRINGS           9250    24.1    26.1    92     29.7    29.2   102
 WILLOW CREEK PASS        9540     9.1    13.8    66     11.7    14.3    82
                                                -----                  -----
                Basin wide percent of average     93                     99


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    22.1    26.8    82     23.6    24.7    96
 CASPER MTN.              7900    16.7    17.0    98     16.7    17.0    98
 DEADMAN HILL            10220    22.4    18.6   120     18.7    19.0    98
 DEER PARK                9700    17.7    17.6   101     20.4    24.5    83
 LAPRELE CREEK            8375     9.6    10.0    96     14.5    14.5   100
 RENO HILL                8400    16.6    16.0   104     19.5    17.6   111
 ROACH                    9700    17.8    18.4    97     21.9    20.6   106
 SAND LAKE               10050    32.4    35.3    92     32.4    26.9   120
 SOUTH PASS               9040    15.6    17.7    88     17.9    20.7    86
 WINDY PEAK               7900     9.2     7.7   119     12.7    12.0   106
                                                -----                  -----
                Basin wide percent of average     97                    100


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440     8.3     8.2   101     15.8    17.4    91
 DIVIDE PEAK              8880    22.8    20.9   109     25.6    22.6   113
 OLD BATTLE              10000    36.1    35.0   103     38.6    37.5   103
 SANDSTONE RS             8150    13.4    13.1   102     18.2    20.3    90
 WHISKEY PARK             8950    26.3    30.6    86     32.1    31.4   102
                                                -----                  -----
                Basin wide percent of average     99                    101


UPPER GREEN RIVER

 BIG SANDY OPENING        9080     9.5    15.3    62     10.4    14.7    71
 BLIND BULL SUM           8650    17.2    28.9    60     12.6    24.0    53
 EAST RIM DIVIDE          7930     5.7    14.0    41      7.6    13.0    58
 ELKHART PARK G.S.        9400     8.8    14.0    63     10.0    14.7    68
 GROS VENTRE SUMMIT       8750     8.5    14.6    58      8.9    14.2    63
 GUNSIGHT PASS            9820     9.5      -M      *    11.0      -M      *
 KENDALL R.S.             7740     5.2    13.3    39      9.0    15.6    58
 LOOMIS PARK              8240     8.1    16.9    48     11.3    18.8    60
 NEW FORK LAKE            8340     5.8    11.1    52      7.2    12.4    58
 POCKET CREEK             9360     8.7      -M      *    11.9      -M      *
 SNIDER BASIN             8060     9.8    14.8    66     11.2    17.6    64
 SPRING CREEK DIVIDE      9000    19.3    28.7    67     18.5    28.7    64
 TRIPLE PEAK              8500    16.5    25.9    64     20.0    27.0    74
                                                -----                  -----
                Basin wide percent of average     58                     63


LOWER GREEN RIVER

 HAMS FORK                7840     7.7     9.6    80     10.1    13.5    75
 HEWINTA                  9519     9.5    12.1    79     12.6    16.4    77
 HICKERSON PARK           9145     7.4     8.1    91     11.4     9.1   125
 HOLE-IN-ROCK             9150     5.6     7.1    79     10.5     8.6   122
 INDIAN CREEK             9425    19.0    29.6    64     17.6    27.9    63
 KELLEY R.S.              8180    11.3    17.0    66     14.7    22.2    66
 STEEL CREEK PARK        10200    14.7    17.5    84     15.8    18.6    85
                                                -----                  -----
                Basin wide percent of average     74                     80


UPPER BEAR RIVER

 BUG LAKE                 7950    11.8    21.5    55     15.7    21.0    75
 HAYDEN FORK              9212    11.5    16.3    71     18.2    23.3    78
 KELLEY R.S.              8180    11.3    17.0    66     14.7    22.2    66
 LILY LAKE                9156    11.6    14.3    81     14.5    19.6    74
 MONTE CRISTO             8960    20.2    30.5    66     19.9    28.1    71
 SALT RIVER SUMMIT        7760    10.1    14.1    72     13.0    20.5    63
 TRIAL LAKE               9992    17.3    26.5    65     15.8    27.5    57
                                                -----                  -----
                Basin wide percent of average     67                     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.