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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 1:43p, 5/20/18
Temperature 63.6°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 TUESDAY: MARCH 13 , 2012
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    19.1    17.2   111     22.1    19.9   111
 BLACK BEAR               8170    31.5    36.0    88     31.9    36.4    88
 BLIND BULL SUM           8650    21.1    25.3    83     16.3    20.3    80
 COTTONWOOD CREEK         7670    18.0    21.0    86     22.9    24.8    92
 EAST RIM DIVIDE          7930    10.9    12.0    91     11.0    11.0   100
 GRAND TARGHEE            9260    32.3      -M      *    26.1      -M      *
 GRANITE CREEK            6770    15.3    17.7    86     15.8    18.6    85
 GRASSY LAKE              7265    30.1    32.3    93     33.4    33.2   101
 GROS VENTRE SUMMIT       8750     9.1    12.7    72      9.7    11.7    83
 GUNSIGHT PASS            9820    11.2      -M      *    12.3      -M      *
 LEWIS LAKE DIVIDE        7850    27.9    32.4    86     30.7    33.9    91
 PHILLIPS BENCH           8200    22.1    26.2    84     23.6    26.6    89
 SALT RIVER SUMMIT        7760    10.5    13.2    80     11.1    17.0    65
 SNAKE RIVER STATION      6920    18.0    18.1    99     22.8    20.7   110
 SPRING CREEK DIVIDE      9000    21.5    24.1    89     21.4    24.1    89
 THUMB DIVIDE             7980    14.4    17.2    84     15.2    17.3    88
 TOGWOTEE PASS            9580    19.8    22.5    88     21.6    22.3    97
 TWO OCEAN PLATEAU        9240    29.8    25.2   118     25.2    25.3   100
 WILLOW CREEK             8380    24.3    27.6    88     29.0    29.2    99
 YOUNTS PEAK              8350    15.4    15.6    99     14.8    14.6   101
                                                -----                  -----
                Basin wide percent of average     91                     93


MADISON-GALLATIN

 BLACK BEAR               8170    31.5    36.0    88     31.9    36.4    88
 CANYON                   7870    11.1    12.5    89     12.8    14.0    91
 MADISON PLATEAU          7750    19.8    22.9    86     23.4    24.0    98
 WEST YELLOWSTONE         6700    10.8    12.1    89     13.4    11.7   115
 WHISKEY CREEK            6800    14.0    15.8    89     17.3    18.9    92
                                                -----                  -----
                Basin wide percent of average     88                     94


YELLOWSTONE

 BEARTOOTH LAKE           9360    22.6    21.6   105     22.0    18.4   120
 BURNT MTN                5880     5.8     5.5   105     10.4    12.6    83
 CANYON                   7870    11.1    12.5    89     12.8    14.0    91
 COLE CREEK               7850    13.0    13.4    97     10.5    13.7    77
 EVENING STAR             9200    26.7    27.0    99     28.8    23.2   124
 FISHER CREEK             9100    30.4    32.0    95     29.2    33.1    88
 NORTHEAST ENTRANCE       7350     9.5    10.5    90     11.5    11.6    99
 PARKER PEAK              9400    20.7    19.7   105     20.6    14.7   140
 SYLVAN LAKE              8420    16.8    20.4    82     21.9    19.2   114
 THUMB DIVIDE             7980    14.4    17.2    84     15.2    17.3    88
 TWO OCEAN PLATEAU        9240    29.8    25.2   118     25.2    25.3   100
 WHITE MILL               8700    19.7    22.1    89     20.6    24.5    84
 WOLVERINE                7650    12.6    11.3   112     12.2    11.9   103
                                                -----                  -----
                Basin wide percent of average     98                    101


WIND RIVER

 BURROUGHS CREEK          8750    13.5    13.5   100     14.0    14.8    95
 CASTLE CREEK             8400     7.6      -M      *     8.5      -M      *
 COLD SPRINGS             9630     8.0     8.0   100      9.1     9.1   100
 DEER PARK                9700    10.9    15.4    71     16.3    19.6    83
 HOBBS PARK              10100    13.6    13.0   105     12.6    10.8   117
 KIRWIN                   9550    11.7    10.0   117     13.6     9.9   137
 LITTLE WARM              9370     8.1    10.5    77     10.4    11.8    88
 OWL CREEK                8975     4.9     4.6   107      5.5     4.8   115
 SOUTH PASS               9040    13.1    15.3    86     13.1    16.2    81
 ST. LAWRENCE ALT         8620     5.1     6.5    78      7.3     7.6    96
 TOGWOTEE PASS            9580    19.8    22.5    88     21.6    22.3    97
 TOWNSEND CREEK           8700     8.3     7.6   109     11.0     9.7   113
                                                -----                  -----
                Basin wide percent of average     92                     98


BIGHORN BASIN

 BALD MTN.                9380    19.6    17.4   113     14.4    15.3    94
 BEAR TRAP MEADOW         8200     8.6     4.9   176      8.5     7.0   121
 BONE SPRINGS DIV         9350    18.7    14.2   132     14.6    12.7   115
 GRAVE SPRINGS            8550     8.4     8.2   102      9.7     8.6   113
 KIRWIN                   9550    11.7    10.0   117     13.6     9.9   137
 MARQUETTE                8760     9.1      -M      *    11.4     8.2   139
 MIDDLE POWDER            7760    10.2    10.0   102     10.5    10.5   100
 OWL CREEK                8975     4.9     4.6   107      5.5     4.8   115
 POWDER RIVER PASS        9480    11.8     9.6   123     13.9    10.8   129
 SHELL CREEK              9580    17.1    12.8   134     15.0    11.6   129
 TIMBER CREEK             7950     4.8     4.8   100      8.5     6.0   142
                                                -----                  -----
                Basin wide percent of average    120                    119


SHOSHONE RIVER

 BLACKWATER               9780    22.8    22.2   103     22.5    18.5   122
 EVENING STAR             9200    26.7    27.0    99     28.8    23.2   124
 MARQUETTE                8760     9.1      -M      *    11.4     8.2   139
 SYLVAN ROAD              7120    12.6    12.0   105     16.6    16.4   101
 YOUNTS PEAK              8350    15.4    15.6    99     14.8    14.6   101
                                                -----                  -----
                Basin wide percent of average    101                    116


POWDER RIVER

 BEAR TRAP MEADOW         8200     8.6     4.9   176      8.5     7.0   121
 CLOUD PEAK RESERVOIR     9860    15.9    11.3   141     14.7    10.8   136
 GRAVE SPRINGS            8550     8.4     8.2   102      9.7     8.6   113
 HANSEN SAWMILL           8360     6.0     5.7   105      8.3     6.9   120
 MIDDLE POWDER            7760    10.2    10.0   102     10.5    10.5   100
 POWDER RIVER PASS        9480    11.8     9.6   123     13.9    10.8   129
 SOLDIER PARK             8720    13.1      -M      *     9.6      -M      *
                                                -----                  -----
                Basin wide percent of average    123                    120


TONGUE RIVER

 BIG GOOSE                7990     9.7     8.5   114     13.5     7.3   185
 BONE SPRINGS DIV         9350    18.7    14.2   132     14.6    12.7   115
 BURGESS JUNCTION         7880    11.8     9.9   119     13.9    10.4   134
 DOME LAKE                8880    14.3    10.4   138     14.3    11.1   129
 LITTLE GOOSE             8870    10.7      -M      *    15.4      -M      *
 SUCKER CREEK             8880    13.9    10.1   138     14.6    11.5   127
 TIE CREEK                6870     7.1     5.7   125     13.3     8.5   156
                                                -----                  -----
                Basin wide percent of average    128                    137


BELLE FOURCHE

 COLE CANYON              5910     6.5     6.2   105      8.1     5.9   137
                                                -----                  -----
                Basin wide percent of average    105                    137


CHEYENNE RIVER BASIN

 BLIND PARK               6890     8.0     8.3    96      9.9    10.0    99
 NORTH RAPID CREEK        6130     7.3     7.4    99      7.8     7.9    99
                                                -----                  -----
                Basin wide percent of average     97                     99


UPPER N. PLATTE

 ARAPAHOE                 4020      -M      -M      *      -M      -M      *
 BLACKHALL MTN            9820    21.3      -M      *    22.8      -M      *
 COLUMBINE                9160    18.6    23.6    79     19.2    22.7    85
 DIVIDE PEAK              8880    14.1    17.3    82     18.0    18.5    97
 JOE WRIGHT              10120    13.4    18.8    71     18.3    21.9    84
 LAPRELE CREEK            8375     9.0     9.8    92     11.5    11.0   105
 NORTH FRENCH CREEK      10130    19.0    25.1    76     18.7    22.0    85
 NEVER SUMMER            10280    11.7    17.9    65     10.8    20.8    52
 OLD BATTLE              10000    21.7    28.8    75     25.7    31.0    83
 RAWAH                    9020     7.9    13.3    59     10.5    14.4    73
 SAGE CREEK BASIN         7850    13.6    10.0   136      9.8    10.8    91
 SAND LAKE               10050    22.8    28.2    81     22.4    21.1   106
 SOUTH BRUSH CREEK        8440     7.3    11.4    64     10.9    14.4    76
 TOWER                   10500    28.6    40.7    70     29.7    34.6    86
 WEBBER SPRINGS           9250    16.4    23.9    69     20.3    23.9    85
 WILLOW CREEK PASS        9540      -M    10.5      *     9.2    11.3    81
 ZIRKEL                   9340    24.0    24.3    99       -M    23.4      *
                                                -----                  -----
                Basin wide percent of average     78                     84


SWEETWATER

 DEER PARK                9700    10.9    15.4    71     16.3    19.6    83
 LARSEN CREEK             9000    11.3      -M      *    12.6      -M      *
 SOUTH PASS               9040    13.1    15.3    86     13.1    16.2    81
                                                -----                  -----
                Basin wide percent of average     78                     82


LOWER N. PLATTE

 CASPER MTN.              7900    17.7    12.3   144     17.1    12.2   140
 LAPRELE CREEK            8375     9.0     9.8    92     11.5    11.0   105
 RENO HILL                8400    15.0    11.7   128     16.7    12.6   133
 WINDY PEAK               7900     6.9     7.0    99      8.6     9.2    93
                                                -----                  -----
                Basin wide percent of average    119                    120


LARAMIE RIVER

 BROOKLYN LAKE           10240    17.1    20.7    83     18.5    19.2    96
 CINNABAR PARK            9574    14.4    16.9    85     19.3    18.3   105
 CROW CREEK               8330     7.7     7.9    97     10.0     8.6   116
 DEADMAN HILL            10220    16.2    14.2   114     15.0    14.7   102
 RAWAH                    9020     7.9    13.3    59     10.5    14.4    73
 ROACH                    9700    12.6    15.1    83     15.7    16.4    96
                                                -----                  -----
                Basin wide percent of average     86                     97


S. PLATTE

 BLACK MOUNTAIN           8920    10.0      -M      *    12.3      -M      *
 CROW CREEK               8330     7.7     7.9    97     10.0     8.6   116
 DEADMAN HILL            10220    16.2    14.2   114     15.0    14.7   102
                                                -----                  -----
                Basin wide percent of average    108                    107


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440    11.5    11.0   105     11.0    13.7    80
 DIVIDE PEAK              8880    14.1    17.3    82     18.0    18.5    97
 ELK RIVER                8700    14.0    17.5    80     14.8    17.5    85
 LITTLE SNAKE RIVER       8915    19.2      -M      *    23.4      -M      *
 OLD BATTLE              10000    21.7    28.8    75     25.7    31.0    83
 SAGE CREEK BASIN         7850    13.6    10.0   136      9.8    10.8    91
 SANDSTONE RS             8150    10.4    14.0    74     12.0    17.0    71
 WHISKEY PARK             8950    21.1    26.8    79     23.4    25.5    92
                                                -----                  -----
                Basin wide percent of average     85                     86


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    12.3    13.1    94     12.3    12.2   101
 BLIND BULL SUM           8650    21.1    25.3    83     16.3    20.3    80
 EAST RIM DIVIDE          7930    10.9    12.0    91     11.0    11.0   100
 ELKHART PARK G.S.        9400    12.2    12.1   101     13.1    11.9   110
 GROS VENTRE SUMMIT       8750     9.1    12.7    72      9.7    11.7    83
 GUNSIGHT PASS            9820    11.2      -M      *    12.3      -M      *
 KENDALL R.S.             7740    14.0    13.7   102     14.6    13.5   108
 LOOMIS PARK              8240    13.4    16.0    84     15.6    16.0    98
 NEW FORK LAKE            8340    10.9    10.4   105     10.1    10.3    98
 POCKET CREEK             9360     9.2      -M      *    11.3      -M      *
 SNIDER BASIN             8060    12.5    13.5    93     12.6    14.7    86
 SPRING CREEK DIVIDE      9000    21.5    24.1    89     21.4    24.1    89
 TRIPLE PEAK              8500    21.4    22.7    94     24.0    22.5   107
                                                -----                  -----
                Basin wide percent of average     91                     96


LOWER GREEN RIVER

 BLACKS FORK JCT          8870     5.1      -M      *     9.7      -M      *
 BUCK PASTURE             9700      .0      -M      *     4.1      -M      *
 EF BLACKS FORK GS        9308     9.4      -M      *    10.4      -M      *
 HAMS FORK                7840    10.0    12.1    83       -M    11.1      *
 HEWINTA                  9519     8.9    10.2    87     11.2    12.7    88
 HICKERSON PARK           9145     8.5     6.4   133     11.1     6.8   163
 HOLE-IN-ROCK             9150     7.5     6.3   119     10.8     6.4   169
 INDIAN CREEK             9425    18.7    24.7    76     16.7    22.8    73
 KELLEY R.S.              8180    12.0    15.4    78     14.1    18.4    77
 SPIRIT LK               10223     9.6      -M      *    15.4      -M      *
 STEEL CREEK PARK        10200    11.6    14.0    83     12.8    14.1    91
                                                -----                  -----
                Basin wide percent of average     87                     94


UPPER BEAR RIVER

 BEAR RIVER RS            8500     6.3      -M      *     9.1      -M      *
 BUG LAKE                 7950    14.3    18.8    76     14.6    17.4    84
 BURTS MILLER RANCH       8000     5.5      -M      *     9.4      -M      *
 CHALK CREEK #1           8993    14.4    22.1    65     16.7    22.5    74
 HAYDEN FORK              9212    10.8    14.6    74     15.7    18.6    84
 KELLEY R.S.              8180    12.0    15.4    78     14.1    18.4    77
 LILY LAKE                9156     9.2    11.8    78     10.8    15.4    70
 MONTE CRISTO             8960    17.6    27.2    65     17.5    22.9    76
 SALT RIVER SUMMIT        7760    10.5    13.2    80     11.1    17.0    65
                                                -----                  -----
                Basin wide percent of average     72                     76

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


 -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.