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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 10:58p, 10/23/18
Temperature 45.4°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 SUNDAY: MAY 17 , 2009
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030     2.3     6.1    38     24.3    25.7    95
 COTTONWOOD CREEK         7670    19.9    13.4   149     38.5    34.0   113
 GRAND TARGHEE            9260    48.5      -M      *    42.5      -M      *
 GRANITE CREEK            6770     5.1     7.5    68     25.6    23.6   108
 GRASSY LAKE              7265    23.6    25.9    91     43.1    43.0   100
 GROS VENTRE SUMMIT       8750    10.0     9.6   104     19.4    16.5   118
 GUNSIGHT PASS            9820    17.5      -M      *    20.9      -M      *
 LEWIS LAKE DIVIDE        7850    34.0    28.4   120     42.1    43.6    97
 PHILLIPS BENCH           8200    26.2    23.6   111     36.2    34.9   104
 SALT RIVER SUMMIT        7760     6.0     4.4   136     20.4    22.9    89
 SNAKE RIVER STATION      6920     4.0     5.2    77     28.9    27.0   107
 SPRING CREEK DIVIDE      9000    29.5    24.2   122     32.8    31.7   103
 THUMB DIVIDE             7980    15.1     9.3   162     27.5    23.5   117
 TOGWOTEE PASS            9580    32.8    27.2   121     36.5    30.9   118
 TWO OCEAN PLATEAU        9240    48.4    30.5   159     37.8    34.2   111
 WILLOW CREEK             8380    29.8    24.7   121     48.5    40.3   120
                                                -----                  -----
                Basin wide percent of average    119                    107


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360    27.6    25.4   109     27.5    25.3   109
 BLACK BEAR               8170    41.5    36.1   115     45.3    48.2    94
 CANYON                   7870    12.3     6.8   181     20.3    19.1   106
 FISHER CREEK             9100    45.6    36.3   126     45.0    44.3   102
 MADISON PLATEAU          7750    23.1    19.1   121     32.2    32.2   100
 NORTHEAST ENTRANCE       7350      .0     2.9     0     17.9    16.1   111
 PARKER PEAK              9400    31.6    23.8   133     24.5    21.3   115
 SYLVAN LAKE              8420    21.8    20.0   109     30.6    26.7   115
 THUMB DIVIDE             7980    15.1     9.3   162     27.5    23.5   117
 TWO OCEAN PLATEAU        9240    48.4    30.5   159     37.8    34.2   111
 WHISKEY CREEK            6800    14.9     9.3   160     26.7    25.7   104
 WHITE MILL               8700    30.0    24.4   123     31.7    33.2    95
 WOLVERINE                7650     1.4     2.8    50     17.2    16.8   102
                                                -----                  -----
                Basin wide percent of average    127                    105


WIND RIVER

 BURROUGHS CREEK          8750    16.7    10.1   165     21.9    21.0   104
 COLD SPRINGS             9630     3.1     3.1   100     15.7    15.6   101
 DEER PARK                9700    12.4    17.0    73     23.1    29.0    80
 HOBBS PARK              10100    16.5    16.4   101     20.9    19.1   109
 LITTLE WARM              9370     9.4     7.4   127     19.8    18.5   107
 SOUTH PASS               9040    10.3    13.6    76     20.0    24.6    81
 ST. LAWRENCE ALT         8620      -M     3.4      *    14.6    13.8   106
 TOGWOTEE PASS            9580    32.8    27.2   121     36.5    30.9   118
 TOWNSEND CREEK           8700     5.0     5.4    93     17.3    17.3   100
                                                -----                  -----
                Basin wide percent of average    106                    100


BIGHORN BASIN

 BALD MTN.                9380    22.0    22.8    96     19.9    23.5    85
 BEAR TRAP MEADOW         8200      .2      .6    33     12.5    12.6    99
 BLACKWATER               9780    33.4    28.8   116     30.9    26.8   115
 BONE SPRINGS DIV         9350    18.4    16.0   115     19.0    20.4    93
 EVENING STAR             9200    33.6    32.2   104     40.0    32.1   125
 GRAVE SPRINGS            8550     6.1     7.3    84     12.5    14.7    85
 KIRWIN                   9550    13.5    10.8   125     19.9    15.9   125
 MARQUETTE                8760     7.2     8.7    83     13.6    15.9    86
 MIDDLE POWDER            7760     9.5    10.6    90     13.4    17.6    76
 OWL CREEK                8975      .1     2.1     5     10.3     9.6   107
 POWDER RIVER PASS        9480    11.9     7.8   153     19.5    17.8   110
 SHELL CREEK              9580    19.4    16.1   120     20.4    18.8   109
 SYLVAN LAKE              8420    21.8    20.0   109     30.6    26.7   115
 SYLVAN ROAD              7120      .2     2.5     8     25.4    21.9   116
 TIMBER CREEK             7950      .3     2.1    14     12.0    12.5    96
 YOUNTS PEAK              8350    19.4    15.0   129     20.8    20.4   102
                                                -----                  -----
                Basin wide percent of average    107                    104


SHOSHONE RIVER

 BLACKWATER               9780    33.4    28.8   116     30.9    26.8   115
 EVENING STAR             9200    33.6    32.2   104     40.0    32.1   125
 KIRWIN                   9550    13.5    10.8   125     19.9    15.9   125
 MARQUETTE                8760     7.2     8.7    83     13.6    15.9    86
 SYLVAN LAKE              8420    21.8    20.0   109     30.6    26.7   115
 SYLVAN ROAD              7120      .2     2.5     8     25.4    21.9   116
 YOUNTS PEAK              8350    19.4    15.0   129     20.8    20.4   102
                                                -----                  -----
                Basin wide percent of average    109                    113


POWDER-TONGUE

 BEAR TRAP MEADOW         8200      .2      .6    33     12.5    12.6    99
 BIG GOOSE                7990     8.8     8.9    99     16.6    14.9   111
 BONE SPRINGS DIV         9350    18.4    16.0   115     19.0    20.4    93
 BURGESS JUNCTION         7880    11.3     9.7   116     16.1    17.1    94
 CLOUD PEAK RESERVOIR     9860    18.9    14.6   129     21.9    19.5   112
 DOME LAKE                8880     9.5    10.0    95     19.8    18.9   105
 GRAVE SPRINGS            8550     6.1     7.3    84     12.5    14.7    85
 HANSEN SAWMILL           8360      -M     1.9      *    13.2    12.5   106
 MIDDLE POWDER            7760     9.5    10.6    90     13.4    17.6    76
 POWDER RIVER PASS        9480    11.9     7.8   153     19.5    17.8   110
 SUCKER CREEK             8880    14.2     9.8   145     21.5    19.7   109
 TIE CREEK                6870      .0     1.2     0     17.7    15.5   114
                                                -----                  -----
                Basin wide percent of average    113                    101


BELLE FOURCHE

 BLIND PARK               6890      -M      .0      *    18.1    16.0   113
 COLE CANYON              5910      .1      .7    14     15.4    11.3   136
 NORTH RAPID CREEK        6130      .0      .5     0     17.5    12.8   137
                                                -----                  -----
                Basin wide percent of average      8                    127


UPPER N. PLATTE RIVER

 COLUMBINE                9160     2.8    12.4    23     33.1    30.8   107
 DIVIDE PEAK              8880    15.5    12.2   127     33.4    26.0   128
 ELK RIVER                8700      .1     7.0     1     25.4    24.6   103
 JOE WRIGHT              10120    21.8    23.6    92     34.9    32.6   107
 NORTH FRENCH CREEK      10130    35.7    32.9   109     39.7    32.2   123
 OLD BATTLE              10000    37.6    35.1   107     47.4    42.3   112
 SAGE CREEK BASIN         7850      .0     7.1     0     19.4    15.1   128
 SOUTH BRUSH CREEK        8440      .0     6.2     0     22.8    22.0   104
 TOWER                   10500    47.2    51.3    92     50.9    47.9   106
 WEBBER SPRINGS           9250    15.4    17.4    89     35.8    33.1   108
 WILLOW CREEK PASS        9540     7.4    10.8    69     16.1    17.2    94
                                                -----                  -----
                Basin wide percent of average     85                    111


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240    19.3    22.5    86     28.4    29.3    97
 CASPER MTN.              7900     8.2    11.2    73     17.5    22.0    80
 DEADMAN HILL            10220    18.3    17.8   103     23.8    23.0   103
 DEER PARK                9700    12.4    17.0    73     23.1    29.0    80
 LAPRELE CREEK            8375     1.5     3.4    44     16.9    18.4    92
 RENO HILL                8400     9.8     9.2   107     21.5    22.7    95
 ROACH                    9700    10.4    13.0    80     24.2    24.5    99
 SAND LAKE               10050    33.8    35.2    96     37.0    32.0   116
 SOUTH PASS               9040    10.3    13.6    76     20.0    24.6    81
 WINDY PEAK               7900      .7     1.5    47     15.5    15.3   101
                                                -----                  -----
                Basin wide percent of average     86                     95


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .0      .3     0     22.9    19.9   115
 DIVIDE PEAK              8880    15.5    12.2   127     33.4    26.0   128
 OLD BATTLE              10000    37.6    35.1   107     47.4    42.3   112
 SANDSTONE RS             8150      .0     3.4     0     25.4    23.5   108
 WHISKEY PARK             8950    25.7    26.0    99     40.7    36.1   113
                                                -----                  -----
                Basin wide percent of average    102                    115


UPPER GREEN RIVER

 BIG SANDY OPENING        9080     7.1     8.6    83     16.8    17.3    97
 BLIND BULL SUM           8650    31.0    24.6   126     25.6    26.7    96
 EAST RIM DIVIDE          7930      .0     8.8     0     14.8    15.0    99
 ELKHART PARK G.S.        9400    11.0     9.1   121     19.0    17.5   109
 GROS VENTRE SUMMIT       8750    10.0     9.6   104     19.4    16.5   118
 GUNSIGHT PASS            9820    17.5      -M      *    20.9      -M      *
 KENDALL R.S.             7740      .1     3.2     3     17.5    17.6    99
 LOOMIS PARK              8240     6.3     9.3    68     22.4    21.2   106
 NEW FORK LAKE            8340     1.2     3.5    34     14.8    14.6   101
 SNIDER BASIN             8060     4.7     7.2    65     18.1    19.5    93
 SPRING CREEK DIVIDE      9000    29.5    24.2   122     32.8    31.7   103
 TRIPLE PEAK              8500    18.0    16.5   109     33.7    30.4   111
                                                -----                  -----
                Basin wide percent of average     95                    103


LOWER GREEN RIVER

 HAMS FORK                7840      .1      .7    14     16.0    15.9   101
 HEWINTA                  9519      .0     4.1     0     17.2    19.1    90
 HICKERSON PARK           9145      .0     1.9     0     13.4    11.4   118
 HOLE-IN-ROCK             9150      .0     1.5     0     12.7    11.0   115
 INDIAN CREEK             9425      -M    23.3      *    27.5    31.1    88
 KELLEY R.S.              8180     8.3     8.7    95     22.2    24.9    89
 STEEL CREEK PARK        10200     9.1    17.9    51     21.0    21.7    97
                                                -----                  -----
                Basin wide percent of average     50                     96


UPPER BEAR RIVER

 BUG LAKE                 7950     8.3    10.3    81     22.0    23.8    92
 HAYDEN FORK              9212      .2     6.9     3     27.3    26.9   101
 KELLEY R.S.              8180     8.3     8.7    95     22.2    24.9    89
 LILY LAKE                9156      .0     6.0     0     21.5    22.7    95
 MONTE CRISTO             8960    17.6    22.1    80     32.0    32.3    99
 SALT RIVER SUMMIT        7760     6.0     4.4   136     20.4    22.9    89
 TRIAL LAKE               9992    15.6    22.8    68     29.7    31.5    94
                                                -----                  -----
                Basin wide percent of average     69                     95

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


 -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 1961-90.

Provisional data, subject to revision.