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Water Resources Data System
Dept 3943
1000 E. University Ave.
Laramie, WY 82071

wrds@uwyo.edu
Ph (307) 766-6651
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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 THURSDAY: MARCH 15 , 2012
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030    18.9    17.3   109     22.1    20.1   110
 BLACK BEAR               8170    33.1    36.4    91     33.2    36.9    90
 BLIND BULL SUM           8650    21.1    25.7    82     16.4    20.6    80
 COTTONWOOD CREEK         7670    18.0    21.4    84     22.9    25.1    91
 EAST RIM DIVIDE          7930    10.8    12.1    89     11.0    11.2    98
 GRAND TARGHEE            9260    32.8      -M      *    26.6      -M      *
 GRANITE CREEK            6770    15.5    17.9    87     15.9    18.8    85
 GRASSY LAKE              7265    30.7    32.8    94     34.0    33.6   101
 GROS VENTRE SUMMIT       8750     9.3    12.9    72      9.8    11.8    83
 GUNSIGHT PASS            9820    11.3      -M      *    12.4      -M      *
 LEWIS LAKE DIVIDE        7850    28.7    32.8    88     31.4    34.3    92
 PHILLIPS BENCH           8200    22.6    26.5    85     24.0    26.9    89
 SALT RIVER SUMMIT        7760    10.5    13.4    78     11.2    17.2    65
 SNAKE RIVER STATION      6920    17.3    18.3    95     23.1    20.9   111
 SPRING CREEK DIVIDE      9000    21.4    24.4    88     21.4    24.4    88
 THUMB DIVIDE             7980    15.3    17.4    88     16.0    17.5    91
 TOGWOTEE PASS            9580    20.2    22.7    89     22.0    22.6    97
 TWO OCEAN PLATEAU        9240    30.3    25.6   118     25.9    25.6   101
 WILLOW CREEK             8380    24.3    28.0    87     29.1    29.6    98
 YOUNTS PEAK              8350    15.6    15.7    99     15.0    14.8   101
                                                -----                  -----
                Basin wide percent of average     91                     93


MADISON-GALLATIN

 BLACK BEAR               8170    33.1    36.4    91     33.2    36.9    90
 CANYON                   7870    11.3    12.7    89     12.9    14.2    91
 MADISON PLATEAU          7750    20.9    23.2    90     24.7    24.3   102
 WEST YELLOWSTONE         6700    10.6    12.2    87     13.9    11.8   118
 WHISKEY CREEK            6800    14.4    15.9    91     17.8    19.2    93
                                                -----                  -----
                Basin wide percent of average     90                     96


YELLOWSTONE

 BEARTOOTH LAKE           9360    22.8    21.9   104     22.3    18.6   120
 BURNT MTN                5880     5.4     5.6    96     10.4    12.8    81
 CANYON                   7870    11.3    12.7    89     12.9    14.2    91
 COLE CREEK               7850    13.0    13.6    96     10.4    14.0    74
 EVENING STAR             9200    27.1    27.3    99     29.2    23.5   124
 FISHER CREEK             9100    31.7    32.3    98     30.4    33.5    91
 NORTHEAST ENTRANCE       7350     9.8    10.6    92     11.8    11.7   101
 PARKER PEAK              9400    21.0    19.9   106     20.8    14.9   140
 SYLVAN LAKE              8420    17.3    20.6    84     22.4    19.4   115
 THUMB DIVIDE             7980    15.3    17.4    88     16.0    17.5    91
 TWO OCEAN PLATEAU        9240    30.3    25.6   118     25.9    25.6   101
 WHITE MILL               8700    20.2    22.3    91     21.2    24.9    85
 WOLVERINE                7650    12.6    11.3   112     12.3    12.0   102
                                                -----                  -----
                Basin wide percent of average     99                    101


WIND RIVER

 BURROUGHS CREEK          8750    13.6    13.5   101     14.1    14.9    95
 CASTLE CREEK             8400     7.4      -M      *     8.6      -M      *
 COLD SPRINGS             9630     8.0     8.0   100      9.2     9.2   100
 DEER PARK                9700    10.9    15.3    71     16.4    19.8    83
 HOBBS PARK              10100    13.5    13.1   103     12.6    11.0   115
 KIRWIN                   9550    11.8    10.1   117     13.7    10.0   137
 LITTLE WARM              9370     8.1    10.6    76     10.4    11.9    87
 OWL CREEK                8975     4.8     4.7   102      5.6     4.9   114
 SOUTH PASS               9040    13.0    15.4    84     13.1    16.5    79
 ST. LAWRENCE ALT         8620     4.9     6.6    74      7.3     7.7    95
 TOGWOTEE PASS            9580    20.2    22.7    89     22.0    22.6    97
 TOWNSEND CREEK           8700     8.2     7.6   108     10.9     9.9   110
                                                -----                  -----
                Basin wide percent of average     92                     98


BIGHORN BASIN

 BALD MTN.                9380    19.6    17.6   111     14.4    15.5    93
 BEAR TRAP MEADOW         8200     8.5     4.9   173      8.5     7.1   120
 BONE SPRINGS DIV         9350    18.6    14.4   129     14.7    12.9   114
 GRAVE SPRINGS            8550     8.3     8.2   101      9.7     8.7   111
 KIRWIN                   9550    11.8    10.1   117     13.7    10.0   137
 MARQUETTE                8760     8.9      -M      *    11.3     8.3   136
 MIDDLE POWDER            7760    10.2    10.1   101     10.5    10.7    98
 OWL CREEK                8975     4.8     4.7   102      5.6     4.9   114
 POWDER RIVER PASS        9480    11.7     9.7   121     13.9    11.0   126
 SHELL CREEK              9580    17.1    13.0   132     15.0    11.8   127
 TIMBER CREEK             7950     4.8     4.9    98      8.5     6.2   137
                                                -----                  -----
                Basin wide percent of average    118                    117


SHOSHONE RIVER

 BLACKWATER               9780    23.1    22.4   103     22.7    18.7   121
 EVENING STAR             9200    27.1    27.3    99     29.2    23.5   124
 MARQUETTE                8760     8.9      -M      *    11.3     8.3   136
 SYLVAN ROAD              7120    12.4    12.2   102     16.7    16.5   101
 YOUNTS PEAK              8350    15.6    15.7    99     15.0    14.8   101
                                                -----                  -----
                Basin wide percent of average    101                    116


POWDER RIVER

 BEAR TRAP MEADOW         8200     8.5     4.9   173      8.5     7.1   120
 CLOUD PEAK RESERVOIR     9860    16.0    11.4   140     14.8    11.0   135
 GRAVE SPRINGS            8550     8.3     8.2   101      9.7     8.7   111
 HANSEN SAWMILL           8360     5.9     5.8   102      8.3     7.1   117
 MIDDLE POWDER            7760    10.2    10.1   101     10.5    10.7    98
 POWDER RIVER PASS        9480    11.7     9.7   121     13.9    11.0   126
 SOLDIER PARK             8720    13.1      -M      *     9.6      -M      *
                                                -----                  -----
                Basin wide percent of average    121                    118


TONGUE RIVER

 BIG GOOSE                7990     9.7     8.7   111     13.5     7.4   182
 BONE SPRINGS DIV         9350    18.6    14.4   129     14.7    12.9   114
 BURGESS JUNCTION         7880    11.8    10.0   118     13.9    10.6   131
 DOME LAKE                8880    14.3    10.5   136     14.3    11.3   127
 LITTLE GOOSE             8870    10.6      -M      *    15.4      -M      *
 SUCKER CREEK             8880    13.9    10.1   138     14.6    11.7   125
 TIE CREEK                6870     6.8     5.8   117     13.3     8.6   155
                                                -----                  -----
                Basin wide percent of average    126                    135


BELLE FOURCHE

 COLE CANYON              5910     6.2     6.3    98      8.1     6.0   135
                                                -----                  -----
                Basin wide percent of average     98                    135


CHEYENNE RIVER BASIN

 BLIND PARK               6890     7.5     8.3    90      9.9    10.1    98
 NORTH RAPID CREEK        6130     7.1     7.5    95      7.8     8.0    98
                                                -----                  -----
                Basin wide percent of average     92                     98


UPPER N. PLATTE

 ARAPAHOE                 4020      -M      -M      *      -M      -M      *
 BLACKHALL MTN            9820    21.3      -M      *    22.7      -M      *
 COLUMBINE                9160    18.2    23.8    76     19.1    22.9    83
 DIVIDE PEAK              8880    13.5    17.7    76     18.0    18.8    96
 JOE WRIGHT              10120    13.2    19.0    69     18.3    22.2    82
 LAPRELE CREEK            8375     8.8    10.0    88     11.5    11.1   104
 NORTH FRENCH CREEK      10130    18.9    25.5    74     18.7    22.3    84
 NEVER SUMMER            10280    11.6    18.0    64     10.7    21.1    51
 OLD BATTLE              10000    21.4    29.2    73     25.7    31.5    82
 RAWAH                    9020     7.6    13.5    56     10.5    14.6    72
 SAGE CREEK BASIN         7850    12.6    10.3   122      9.8    10.9    90
 SAND LAKE               10050    22.6    28.7    79     22.4    21.4   105
 SOUTH BRUSH CREEK        8440     7.0    11.6    60     10.9    14.6    75
 TOWER                   10500    28.5    41.2    69     29.7    35.0    85
 WEBBER SPRINGS           9250    16.4    24.3    67     20.2    24.2    83
 WILLOW CREEK PASS        9540      -M    10.6      *     9.2    11.4    81
 ZIRKEL                   9340    23.7    24.5    97       -M    23.6      *
                                                -----                  -----
                Basin wide percent of average     75                     83


SWEETWATER

 DEER PARK                9700    10.9    15.3    71     16.4    19.8    83
 LARSEN CREEK             9000    11.1      -M      *    12.7      -M      *
 SOUTH PASS               9040    13.0    15.4    84     13.1    16.5    79
                                                -----                  -----
                Basin wide percent of average     78                     81


LOWER N. PLATTE

 CASPER MTN.              7900    17.3    12.5   138     17.0    12.4   137
 LAPRELE CREEK            8375     8.8    10.0    88     11.5    11.1   104
 RENO HILL                8400    15.0    12.0   125     16.7    12.9   129
 WINDY PEAK               7900     6.8     7.2    94      8.6     9.3    92
                                                -----                  -----
                Basin wide percent of average    115                    118


LARAMIE RIVER

 BROOKLYN LAKE           10240    17.1    21.0    81     18.5    19.5    95
 CINNABAR PARK            9574    14.8    17.0    87     19.2    18.5   104
 CROW CREEK               8330     7.6     8.0    95     10.0     8.8   114
 DEADMAN HILL            10220    16.2    14.4   112     15.0    14.9   101
 RAWAH                    9020     7.6    13.5    56     10.5    14.6    72
 ROACH                    9700    12.5    15.3    82     15.7    16.7    94
                                                -----                  -----
                Basin wide percent of average     85                     96


S. PLATTE

 BLACK MOUNTAIN           8920    10.0      -M      *    12.3      -M      *
 CROW CREEK               8330     7.6     8.0    95     10.0     8.8   114
 DEADMAN HILL            10220    16.2    14.4   112     15.0    14.9   101
                                                -----                  -----
                Basin wide percent of average    106                    105


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440    11.1    11.2    99     10.9    13.9    78
 DIVIDE PEAK              8880    13.5    17.7    76     18.0    18.8    96
 ELK RIVER                8700    13.6    17.7    77     14.8    17.7    84
 LITTLE SNAKE RIVER       8915    19.1      -M      *    23.4      -M      *
 OLD BATTLE              10000    21.4    29.2    73     25.7    31.5    82
 SAGE CREEK BASIN         7850    12.6    10.3   122      9.8    10.9    90
 SANDSTONE RS             8150    10.3    14.2    73     12.0    17.2    70
 WHISKEY PARK             8950    20.8    27.3    76     23.3    25.9    90
                                                -----                  -----
                Basin wide percent of average     81                     84


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    12.3    13.3    92     12.3    12.3   100
 BLIND BULL SUM           8650    21.1    25.7    82     16.4    20.6    80
 EAST RIM DIVIDE          7930    10.8    12.1    89     11.0    11.2    98
 ELKHART PARK G.S.        9400    12.2    12.3    99     13.1    12.1   108
 GROS VENTRE SUMMIT       8750     9.3    12.9    72      9.8    11.8    83
 GUNSIGHT PASS            9820    11.3      -M      *    12.4      -M      *
 KENDALL R.S.             7740    14.1    13.9   101     14.7    13.6   108
 LOOMIS PARK              8240    13.4    16.2    83     15.6    16.1    97
 NEW FORK LAKE            8340    10.8    10.5   103     10.1    10.4    97
 POCKET CREEK             9360     9.1      -M      *    11.3      -M      *
 SNIDER BASIN             8060    12.4    13.6    91     12.6    14.9    85
 SPRING CREEK DIVIDE      9000    21.4    24.4    88     21.4    24.4    88
 TRIPLE PEAK              8500    21.3    23.1    92     24.0    22.8   105
                                                -----                  -----
                Basin wide percent of average     89                     95


LOWER GREEN RIVER

 BLACKS FORK JCT          8870     5.0      -M      *     9.7      -M      *
 BUCK PASTURE             9700      .1      -M      *     3.0      -M      *
 EF BLACKS FORK GS        9308     8.8      -M      *     8.5      -M      *
 HAMS FORK                7840     9.7    12.2    80      8.9    11.3    79
 HEWINTA                  9519     9.0    10.4    87     11.2    12.9    87
 HICKERSON PARK           9145     7.8     6.5   120     11.1     6.9   161
 HOLE-IN-ROCK             9150     7.6     6.4   119     10.8     6.5   166
 INDIAN CREEK             9425    18.7    25.1    75     16.8    23.1    73
 KELLEY R.S.              8180    12.0    15.6    77     14.1    18.6    76
 SPIRIT LK               10223     9.6      -M      *    15.4      -M      *
 STEEL CREEK PARK        10200     8.7    14.2    61     12.7    14.3    89
                                                -----                  -----
                Basin wide percent of average     81                     91


UPPER BEAR RIVER

 BEAR RIVER RS            8500     5.7      -M      *     9.1      -M      *
 BUG LAKE                 7950    14.2    19.1    74     14.6    17.7    82
 BURTS MILLER RANCH       8000     5.2      -M      *     9.4      -M      *
 CHALK CREEK #1           8993    14.3    22.4    64     16.7    22.8    73
 HAYDEN FORK              9212     9.8    14.9    66     15.7    18.9    83
 KELLEY R.S.              8180    12.0    15.6    77     14.1    18.6    76
 LILY LAKE                9156     9.0    11.9    76     10.8    15.7    69
 MONTE CRISTO             8960    17.6    27.6    64     17.5    23.2    75
 SALT RIVER SUMMIT        7760    10.5    13.4    78     11.2    17.2    65
                                                -----                  -----
                Basin wide percent of average     70                     75

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


 -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.