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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


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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 SATURDAY: OCTOBER 22 , 2011
-----------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT   TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Average  Avg  Current  Average  Avg
-----------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030      .1      .2    50*     3.2     1.3   246
 COTTONWOOD CREEK         7670      .0      .4     0*     4.3     1.9   226
 GRAND TARGHEE            9260     2.6      -M      *     5.1      -M      *
 GRANITE CREEK            6770      .1      .2    50*     2.4     1.1   218
 GRASSY LAKE              7265      .1      .7    14*     5.2     2.1   248
 GROS VENTRE SUMMIT       8750      .4      .9    44*     2.2     1.3   169
 GUNSIGHT PASS            9820      .9      -M      *     2.5      -M      *
 LEWIS LAKE DIVIDE        7850      .3      .4    75*     4.3     1.9   226
 PHILLIPS BENCH           8200      .0      .7     0*     2.6     1.5   173
 SALT RIVER SUMMIT        7760      .1      .1   100*     2.2     1.3   169
 SNAKE RIVER STATION      6920      .1      .2    50*     3.6     1.5   240
 SPRING CREEK DIVIDE      9000     1.3      .8   163*     3.2     1.5   213
 THUMB DIVIDE             7980      .0      .4     0*     2.6     1.4   186
 TOGWOTEE PASS            9580     1.5     1.6    94*     2.9     1.8   161
 TWO OCEAN PLATEAU        9240     3.4     1.9   179*     3.8     2.0   190
 WILLOW CREEK             8380      .0      .9     0*     4.9     2.5   196
                                                -----                  -----
                Basin wide percent of average     79*                   205


UPPER YELLOWSTONE-MADISON

 BEARTOOTH LAKE           9360     1.6     1.8    89*     2.3     1.4   164
 BLACK BEAR               8170     1.9     1.2   158*     4.8     2.1   229
 CANYON                   7870      .0      .3     0*     1.6     1.1   145
 FISHER CREEK             9100     1.7     1.5   113*     3.7     2.1   176
 MADISON PLATEAU          7750      .0      .7     0*     3.7     1.7   218
 NORTHEAST ENTRANCE       7350      .0      .1     0*     1.7     1.0   170
 PARKER PEAK              9400      .7     1.9    37*     2.2     1.6   138
 SYLVAN LAKE              8420      .2     1.1    18*     3.7     1.7   218
 THUMB DIVIDE             7980      .0      .4     0*     2.6     1.4   186
 TWO OCEAN PLATEAU        9240     3.4     1.9   179*     3.8     2.0   190
 WHISKEY CREEK            6800      .1      .2    50*     3.3     1.4   236
 WHITE MILL               8700     1.0     1.1    91*     3.0     1.8   167
 WOLVERINE                7650      .0      .2     0*     1.8     1.3   138
                                                -----                  -----
                Basin wide percent of average     85*                   185


WIND RIVER

 BURROUGHS CREEK          8750      .2      .5    40*     1.4     1.1   127
 CASTLE CREEK             8400      .1      -M      *     1.2      -M      *
 COLD SPRINGS             9630      .1      .6    17*     1.6     1.3   123
 DEER PARK                9700      .9     1.1    82*     2.3     1.7   135
 HOBBS PARK              10100     1.6     1.5   107*     2.4     1.5   160
 LITTLE WARM              9370      .0      .7     0*     1.7     1.2   142
 SOUTH PASS               9040      .7      .8    88*     2.2     1.3   169
 ST. LAWRENCE ALT         8620      .0      .5     0*     1.1     1.2    92
 TOGWOTEE PASS            9580     1.5     1.6    94*     2.9     1.8   161
 TOWNSEND CREEK           8700      .2      .6    33*     2.5     1.5   167
                                                -----                  -----
                Basin wide percent of average     66*                   144


BIGHORN BASIN

 BALD MTN.                9380     3.0     2.0   150*     3.3     1.7   194
 BEAR TRAP MEADOW         8200      .5      .4   125*     1.7     1.2   142
 BLACKWATER               9780     2.9     2.2   132*     3.2     1.8   178
 BONE SPRINGS DIV         9350     3.2     1.9   168      3.9     1.8   217
 EVENING STAR             9200      .9     1.6    56*     3.3     1.8   183
 GRAVE SPRINGS            8550      .4      .7    57*     1.9     1.5   127
 KIRWIN                   9550     1.6     1.3   123      2.8     1.2   233
 MARQUETTE                8760      .2      -M      *     3.2     1.6   200
 MIDDLE POWDER            7760      .8     1.0    80*     3.9     1.8   217
 OWL CREEK                8975      .8      .6   133      1.5      .8   188
 POWDER RIVER PASS        9480     1.7      .8   213*     2.8     1.4   200
 SHELL CREEK              9580     3.8     2.0   190      3.5     1.4   250
 SYLVAN LAKE              8420      .2     1.1    18*     3.7     1.7   218
 SYLVAN ROAD              7120      .0      .2     0*     2.0     1.2   167
 TIMBER CREEK             7950      .1      .6    17      3.5     1.1   318
 YOUNTS PEAK              8350      .4      .9    44*     2.4     1.3   185
                                                -----                  -----
                Basin wide percent of average    117*                   200


SHOSHONE RIVER

 BLACKWATER               9780     2.9     2.2   132*     3.2     1.8   178
 EVENING STAR             9200      .9     1.6    56*     3.3     1.8   183
 KIRWIN                   9550     1.6     1.3   123      2.8     1.2   233
 MARQUETTE                8760      .2      -M      *     3.2     1.6   200
 SYLVAN LAKE              8420      .2     1.1    18*     3.7     1.7   218
 SYLVAN ROAD              7120      .0      .2     0*     2.0     1.2   167
 YOUNTS PEAK              8350      .4      .9    44*     2.4     1.3   185
                                                -----                  -----
                Basin wide percent of average     82*                   194


POWDER-TONGUE

 BEAR TRAP MEADOW         8200      .5      .4   125*     1.7     1.2   142
 BIG GOOSE                7990     1.3      .5   260*     4.0     1.6   250
 BONE SPRINGS DIV         9350     3.2     1.9   168      3.9     1.8   217
 BURGESS JUNCTION         7880     1.2     1.0   120*     3.9     1.6   244
 CLOUD PEAK RESERVOIR     9860     1.5     1.0   150*     3.5     1.9   184
 DOME LAKE                8880     2.1     1.2   175*     4.2     1.8   233
 GRAVE SPRINGS            8550      .4      .7    57*     1.9     1.5   127
 HANSEN SAWMILL           8360      .0      .4     0*     1.6     1.3   123
 LITTLE GOOSE             8870     1.4      -M      *     4.4      -M      *
 MIDDLE POWDER            7760      .8     1.0    80*     3.9     1.8   217
 POWDER RIVER PASS        9480     1.7      .8   213*     2.8     1.4   200
 SOLDIER PARK             8720      .0      -M      *     2.4      -M      *
 SUCKER CREEK             8880     2.4      .8   300*     3.9     1.7   229
 TIE CREEK                6870      .1      .3    33*     4.2     1.9   221
                                                -----                  -----
                Basin wide percent of average    152*                   203


BELLE FOURCHE

 BLIND PARK               6890      .1      .1   100*     1.0     1.8    56
 COLE CANYON              5910      .0      .6     0*     1.3     1.3   100
 NORTH RAPID CREEK        6130      .1      .3    33*      .7     1.8    39
                                                -----                  -----
                Basin wide percent of average     20*                    61


UPPER N. PLATTE RIVER

 BLACKHALL MTN            9820     1.7      -M      *     3.3      -M      *
 CINNABAR PARK            9574      .4      .7    57*     2.5     1.5   167
 COLUMBINE                9160      .1      .2    50*     2.2     1.5   147
 DIVIDE PEAK              8880      .1     1.1     9*     2.5     1.9   132
 ELK RIVER                8700      .0      .3     0*     2.1     1.5   140
 JOE WRIGHT              10120      .4     1.5    27*     2.4     2.3   104
 NORTH FRENCH CREEK      10130     1.8     2.1    86*     3.2     2.2   145
 OLD BATTLE              10000     1.7     1.8    94*     3.1     2.3   135
 SAGE CREEK BASIN         7850      .1      .6    17*     1.6     1.1   145
 SOUTH BRUSH CREEK        8440      .1      .3    33*     2.3     1.8   128
 TOWER                   10500      .7     1.8    39*     2.9     2.5   116
 WEBBER SPRINGS           9250      .1     1.0    10*     2.7     2.0   135
 WILLOW CREEK PASS        9540     1.4      .6   233*      -M     1.4      *
                                                -----                  -----
                Basin wide percent of average     58*                   133


LOWER N. PLATTE - SWEETWATER - LARAMIE

 BROOKLYN LAKE           10240      .4     1.4    29*     2.5     1.6   156
 CASPER MTN.              7900     1.7     1.1   155*     4.9     1.7   288
 DEADMAN HILL            10220     1.0     1.4    71*     2.0     1.7   118
 DEER PARK                9700      .9     1.1    82*     2.3     1.7   135
 LAPRELE CREEK            8375      .0      .5     0*     1.9     1.3   146
 RENO HILL                8400     1.5     1.1   136*     3.2     1.7   188
 ROACH                    9700      .7      .6   117*     2.2     1.6   138
 SAND LAKE               10050     2.3     2.0   115*     3.0     2.0   150
 SOUTH PASS               9040      .7      .8    88*     2.2     1.3   169
 WINDY PEAK               7900      .2      .2   100*     1.2     1.2   100
                                                -----                  -----
                Basin wide percent of average     92*                   161


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440      .0      .2     0*     1.4     1.3   108
 DIVIDE PEAK              8880      .1     1.1     9*     2.5     1.9   132
 OLD BATTLE              10000     1.7     1.8    94*     3.1     2.3   135
 SANDSTONE RS             8150      .0      .2     0*     1.4     1.6    88
 WHISKEY PARK             8950      .1      .9    11*     2.8     2.0   140
                                                -----                  -----
                Basin wide percent of average     45*                   123


UPPER GREEN RIVER

 BIG SANDY OPENING        9080      .9      .7   129*     1.9     1.2   158
 BLIND BULL SUM           8650      .7      .8    88*     2.1     1.4   150
 EAST RIM DIVIDE          7930      .3      .2   150*     2.1      .9   233
 ELKHART PARK G.S.        9400      .8      .5   160*     2.7     1.3   208
 GROS VENTRE SUMMIT       8750      .4      .9    44*     2.2     1.3   169
 GUNSIGHT PASS            9820      .9      -M      *     2.5      -M      *
 KENDALL R.S.             7740      .2      .3    67*     2.3     1.0   230
 LOOMIS PARK              8240      .1      .5    20*     2.5     1.2   208
 NEW FORK LAKE            8340      .1      .2    50*     2.5     1.0   250
 POCKET CREEK             9360     1.4      -M      *     2.6      -M      *
 SNIDER BASIN             8060      .1      .3    33*     1.7     1.0   170
 SPRING CREEK DIVIDE      9000     1.3      .8   163*     3.2     1.5   213
 TRIPLE PEAK              8500      .3      .5    60*     2.9     1.4   207
                                                -----                  -----
                Basin wide percent of average     91*                   198


LOWER GREEN RIVER

 HAMS FORK                7840      .1      .1   100*     2.4      .9   267
 HEWINTA                  9519      .0      .6     0*     2.7     1.6   169
 HICKERSON PARK           9145      -M      .2      *      -M     1.2      *
 HOLE-IN-ROCK             9150      .3      .2   150*     2.9     1.2   242
 INDIAN CREEK             9425     1.8      .8   225*     3.3     1.6   206
 KELLEY R.S.              8180      .3      .5    60*     3.0     1.4   214
 STEEL CREEK PARK        10200     1.7     1.1   155*     3.2     1.6   200
                                                -----                  -----
                Basin wide percent of average    127*                   211


UPPER BEAR RIVER

 BUG LAKE                 7950      .1      .8    13*     1.5     1.6    94
 HAYDEN FORK              9212      .1      .5    20*     3.9     1.6   244
 KELLEY R.S.              8180      .3      .5    60*     3.0     1.4   214
 LILY LAKE                9156      .0      .6     0*     2.7     1.6   169
 MONTE CRISTO             8960      .1     1.0    10*     2.3     1.9   121
 SALT RIVER SUMMIT        7760      .1      .1   100*     2.2     1.3   169
 TRIAL LAKE               9992      .5     1.2    42*     2.3     1.8   128
                                                -----                  -----
                Basin wide percent of average     26*                   160

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


 -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.