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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 11:03p, 5/20/18
Temperature 46.8°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 MONDAY: MARCH 21 , 2011
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    20.1    17.8   113     22.8    20.6   111
 COTTONWOOD CREEK         7670    26.3    22.6   116     33.1    26.1   127
 GRAND TARGHEE            9260    43.6      -M      *      -M      -M      *
 GRANITE CREEK            6770    20.6    18.4   112     21.7    19.3   112
 GRASSY LAKE              7265    37.2    34.1   109     38.6    34.6   112
 GROS VENTRE SUMMIT       8750    14.2    13.5   105     13.7    12.3   111
 GUNSIGHT PASS            9820    16.2      -M      *    15.8      -M      *
 LEWIS LAKE DIVIDE        7850    38.0    34.0   112       -M    35.4      *
 PHILLIPS BENCH           8200    29.8    27.6   108     29.8    27.8   107
 SALT RIVER SUMMIT        7760    16.6    13.8   120     20.7    17.8   116
 SNAKE RIVER STATION      6920      -M    18.8      *    25.0    21.5   116
 SPRING CREEK DIVIDE      9000    32.7    25.3   129     30.7    25.2   122
 THUMB DIVIDE             7980    21.1    18.2   116     19.2    18.1   106
 TOGWOTEE PASS            9580    27.0    23.6   114     28.5    23.4   122
 TWO OCEAN PLATEAU        9240      -M    26.6      *      -M    26.5      *
 WILLOW CREEK             8380    33.8    29.0   117     37.8    30.6   124
                                                -----                  -----
                Basin wide percent of average    114                    116


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    24.7    22.5   110     23.7    19.2   123
 BLACK BEAR               8170    44.6    37.7   118     41.4    38.4   108
 CANYON                   7870    16.4    13.2   124     17.5    14.7   119
 FISHER CREEK             9100    38.9    33.3   117     37.4    34.7   108
 MADISON PLATEAU          7750    28.4    23.9   119     29.9    25.3   118
 NORTHEAST ENTRANCE       7350    13.2    10.9   121     14.3    12.1   118
 PARKER PEAK              9400    27.4    20.6   133     23.8    15.4   155
 SYLVAN LAKE              8420    22.7    21.4   106     26.1    20.0   131
 THUMB DIVIDE             7980    21.1    18.2   116     19.2    18.1   106
 TWO OCEAN PLATEAU        9240      -M    26.6      *      -M    26.5      *
 WHISKEY CREEK            6800    20.0    16.4   122     22.5    20.0   113
 WHITE MILL               8700    26.4    23.1   114     26.8    25.8   104
 WOLVERINE                7650    14.3    11.4   125     14.0    12.3   114
                                                -----                  -----
                Basin wide percent of average    118                    116


WIND RIVER

 BURROUGHS CREEK          8750    14.3    14.0   102     15.0    15.5    97
 CASTLE CREEK             8400     6.6      -M      *     7.4      -M      *
 COLD SPRINGS             9630     8.0     8.4    95      7.8     9.7    80
 DEER PARK                9700    17.4    16.2   107     20.4    20.6    99
 HOBBS PARK              10100    13.7    13.8    99     12.0    11.6   103
 LITTLE WARM              9370    12.0    11.1   108     12.2    12.5    98
 SOUTH PASS               9040    16.3    16.0   102     14.2    17.2    83
 ST. LAWRENCE ALT         8620     4.6     6.8    68      6.5     8.1    80
 TOGWOTEE PASS            9580    27.0    23.6   114     28.5    23.4   122
 TOWNSEND CREEK           8700     8.1     8.1   100     10.2    10.5    97
                                                -----                  -----
                Basin wide percent of average    103                     98


BIGHORN BASIN

 BALD MTN.                9380    20.7    18.4   113     17.2    16.2   106
 BEAR TRAP MEADOW         8200     7.1     5.2   137      7.4     7.5    99
 BLACKWATER               9780    24.8    23.2   107     24.1    19.4   124
 BONE SPRINGS DIV         9350    17.7    15.1   117     14.8    13.5   110
 EVENING STAR             9200    29.9    28.2   106     32.3    24.2   133
 GRAVE SPRINGS            8550     7.8     8.6    91      7.8     9.0    87
 KIRWIN                   9550    10.8    10.5   103     11.9    10.5   113
 MARQUETTE                8760     2.6      -M      *     5.9     8.8    67
 MIDDLE POWDER            7760     8.6    10.9    79     10.4    11.3    92
 OWL CREEK                8975     5.2     5.1   102      5.2     5.2   100
 POWDER RIVER PASS        9480    12.8    10.1   127     15.0    11.4   132
 SHELL CREEK              9580    15.4    13.7   112     14.0    12.3   114
 SYLVAN LAKE              8420    22.7    21.4   106     26.1    20.0   131
 SYLVAN ROAD              7120    15.1    12.3   123     19.3    17.0   114
 TIMBER CREEK             7950     3.6     5.2    69      4.4     6.6    67
 YOUNTS PEAK              8350    16.8    16.4   102     14.5    15.4    94
                                                -----                  -----
                Basin wide percent of average    107                    111


SHOSHONE RIVER

 BLACKWATER               9780    24.8    23.2   107     24.1    19.4   124
 EVENING STAR             9200    29.9    28.2   106     32.3    24.2   133
 KIRWIN                   9550    10.8    10.5   103     11.9    10.5   113
 MARQUETTE                8760     2.6      -M      *     5.9     8.8    67
 SYLVAN LAKE              8420    22.7    21.4   106     26.1    20.0   131
 SYLVAN ROAD              7120    15.1    12.3   123     19.3    17.0   114
 YOUNTS PEAK              8350    16.8    16.4   102     14.5    15.4    94
                                                -----                  -----
                Basin wide percent of average    107                    116


POWDER-TONGUE

 BEAR TRAP MEADOW         8200     7.1     5.2   137      7.4     7.5    99
 BIG GOOSE                7990     7.3     9.3    78      9.0     7.8   115
 BONE SPRINGS DIV         9350    17.7    15.1   117     14.8    13.5   110
 BURGESS JUNCTION         7880     9.7    10.7    91     10.7    11.1    96
 CLOUD PEAK RESERVOIR     9860    14.4    12.2   118     13.7    11.6   118
 DOME LAKE                8880    11.9    11.3   105     11.9    11.9   100
 GRAVE SPRINGS            8550     7.8     8.6    91      7.8     9.0    87
 HANSEN SAWMILL           8360     6.5     6.2   105      7.1     7.5    95
 LITTLE GOOSE             8870     8.1      -M      *    12.4      -M      *
 MIDDLE POWDER            7760     8.6    10.9    79     10.4    11.3    92
 POWDER RIVER PASS        9480    12.8    10.1   127     15.0    11.4   132
 SOLDIER PARK             8720     7.1      -M      *     8.1      -M      *
 SUCKER CREEK             8880    11.7    10.8   108     12.9    12.4   104
 TIE CREEK                6870     6.1     6.1   100      8.9     9.1    98
                                                -----                  -----
                Basin wide percent of average    104                    104


BELLE FOURCHE

 BLIND PARK               6890     9.0     8.6   105     15.3    10.4   147
 COLE CANYON              5910     7.4     6.5   114     10.9     6.2   176
 NORTH RAPID CREEK        6130     8.1     7.8   104     13.1     8.2   160
                                                -----                  -----
                Basin wide percent of average    107                    158


UPPER N. PLATTE RIVER

 CINNABAR PARK            9574    23.4    17.4   134     23.3    19.0   123
 COLUMBINE                9160    31.5    24.4   129     32.6    23.8   137
 DIVIDE PEAK              8880    21.9    18.6   118     25.5    19.6   130
 ELK RIVER                8700    24.0    18.4   130     25.1    18.4   136
 JOE WRIGHT              10120    29.2    19.8   147     32.9    23.2   142
 NORTH FRENCH CREEK      10130    41.1    26.9   153     32.3    23.2   139
 OLD BATTLE              10000    39.2    30.4   129     29.2    32.8    89
 SAGE CREEK BASIN         7850    19.6    10.8   181     17.2    11.3   152
 SOUTH BRUSH CREEK        8440    17.8    12.3   145     20.6    15.2   136
 TOWER                   10500    50.8    42.8   119     46.1    36.3   127
 WEBBER SPRINGS           9250    28.7    25.3   113     33.5    25.2   133
 WILLOW CREEK PASS        9540    18.3    11.1   165     17.0    11.9   143
                                                -----                  -----
                Basin wide percent of average    134                    129


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    29.2    22.0   133     29.0    20.5   141
 CASPER MTN.              7900    10.7    13.2    81     13.1    13.0   101
 DEADMAN HILL            10220    20.4    15.1   135     20.8    15.7   132
 DEER PARK                9700    17.4    16.2   107     20.4    20.6    99
 LAPRELE CREEK            8375    11.9    10.4   114     13.1    11.6   113
 RENO HILL                8400    13.2    12.8   103     15.5    13.6   114
 ROACH                    9700    19.5    15.9   123     22.6    17.4   130
 SAND LAKE               10050    34.4    30.2   114     32.7    22.4   146
 SOUTH PASS               9040    16.3    16.0   102     14.2    17.2    83
 WINDY PEAK               7900     9.9     7.6   130     12.3     9.8   126
                                                -----                  -----
                Basin wide percent of average    115                    120


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      -M    11.5      *    13.1    14.7    89
 DIVIDE PEAK              8880    21.9    18.6   118     25.5    19.6   130
 OLD BATTLE              10000    39.2    30.4   129     29.2    32.8    89
 SANDSTONE RS             8150    15.3    14.7   104     23.9    17.8   134
 WHISKEY PARK             8950      -M    28.6      *    37.3    27.0   138
                                                -----                  -----
                Basin wide percent of average    120                    115


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    14.0    13.8   101     14.1    12.7   111
 BLIND BULL SUM           8650    29.2    26.8   109     20.6    21.3    97
 EAST RIM DIVIDE          7930    14.8    12.6   117     12.5    11.6   108
 ELKHART PARK G.S.        9400    12.6    12.8    98     12.4    12.6    98
 GROS VENTRE SUMMIT       8750    14.2    13.5   105     13.7    12.3   111
 GUNSIGHT PASS            9820    16.2      -M      *    15.8      -M      *
 KENDALL R.S.             7740    12.9    14.4    90     14.5    14.1   103
 LOOMIS PARK              8240    19.4    16.8   115     19.4    16.7   116
 NEW FORK LAKE            8340    12.2    10.8   113     11.0    10.8   102
 POCKET CREEK             9360    11.1      -M      *    13.3      -M      *
 SNIDER BASIN             8060    19.7    14.1   140     18.4    15.4   119
 SPRING CREEK DIVIDE      9000    32.7    25.3   129     30.7    25.2   122
 TRIPLE PEAK              8500    29.9    23.9   125     31.1    23.6   132
                                                -----                  -----
                Basin wide percent of average    115                    113


LOWER GREEN RIVER

 HAMS FORK                7840    16.6    12.4   134     14.9    11.6   128
 HEWINTA                  9519    12.1    11.0   110     15.9    13.5   118
 HICKERSON PARK           9145     8.4     6.8   124      9.7     7.3   133
 HOLE-IN-ROCK             9150     8.1     6.6   123     10.1     6.8   149
 INDIAN CREEK             9425    29.8    26.3   113     26.2    24.0   109
 KELLEY R.S.              8180    19.8    16.2   122     22.6    19.3   117
 STEEL CREEK PARK        10200    13.4    14.8    91     18.9    15.0   126
                                                -----                  -----
                Basin wide percent of average    115                    121


UPPER BEAR RIVER

 BUG LAKE                 7950    27.8    19.9   140     27.4    18.3   150
 HAYDEN FORK              9212    22.2    15.5   143     27.6    19.7   140
 KELLEY R.S.              8180    19.8    16.2   122     22.6    19.3   117
 LILY LAKE                9156    20.0    12.4   161     20.8    16.4   127
 MONTE CRISTO             8960    35.4    28.7   123     34.3    24.1   142
 SALT RIVER SUMMIT        7760    16.6    13.8   120     20.7    17.8   116
 TRIAL LAKE               9992    33.6    23.9   141     32.2    23.6   136
                                                -----                  -----
                Basin wide percent of average    135                    133

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


 -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.