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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 SUNDAY: OCTOBER 20 , 2013
------------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT    TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %
                                Current  Median  Median  Current  Average  Avg
------------------------------------------------------------------------------

WYOMING


SNAKE RIVER  

 BASE CAMP                7030     .1      .0       *    1.3     1.2    108
 BLACK BEAR               8170    1.7     1.5    113*    2.1     2.3     91
 BLIND BULL SUM           8650     .7      .4    175*    1.3     1.3    100
 COTTONWOOD CREEK         7670     .5      .0       *    1.6     1.6    100
 EAST RIM DIVIDE          7930     .1      .0       *    1.2      .8    150
 GRAND TARGHEE            9260    2.3     3.0     77*    2.9     3.9     74
 GRANITE CREEK            6770     .1      .0       *    1.1     1.2     92
 GRASSY LAKE              7265     .3      .0       *    1.7     2.1     81
 GROS VENTRE SUMMIT       8750    2.1      .9    233*    2.0     1.1    182
 GUNSIGHT PASS            9820    2.2      .5    440*    2.5     1.4    179
 LEWIS LAKE DIVIDE        7850     .0      .0       *    1.3     1.9     68
 PHILLIPS BENCH           8200     .5      .0       *    1.5     1.4    107
 SALT RIVER SUMMIT        7760     .0      .0       *    1.4     1.0    140
 SNAKE RIVER STATION      6920     .0      .0       *    1.0     1.7     59
 SPRING CREEK DIVIDE      9000     .6      .4    150*    1.1     1.3     85
 THUMB DIVIDE             7980     .1      .0       *    1.2     1.4     86
 TOGWOTEE PASS            9580    3.4     1.7    200*    2.4     1.6    150
 TWO OCEAN PLATEAU        9240    3.3     1.9    174*    2.3     1.8    128
 WILLOW CREEK             8380     .4      .0       *    2.5     2.2    114
 YOUNTS PEAK              8350     -M      .5       *     -M     1.4       *
                                                -----                  -----
                Basin Index (%)                  179*                   104


MADISON-GALLATIN

 BLACK BEAR               8170    1.7     1.5    113*    2.1     2.3     91
 CANYON                   7870     .4      .2    200*    1.7     1.3    131
 MADISON PLATEAU          7750     .5      .5    100*    1.7     1.7    100
 WEST YELLOWSTONE         6700     .1      .0       *    1.1     1.3     85
 WHISKEY CREEK            6800     .3      .0       *    1.3     1.4     93
                                                -----                  -----
                Basin Index (%)                  136*                    99


YELLOWSTONE

 BEARTOOTH LAKE           9360    2.6     1.5    173*    1.5     1.4    107
 BURNT MTN                5880    1.9      .0       *    5.0     2.6    192
 CANYON                   7870     .4      .2    200*    1.7     1.3    131
 COLE CREEK               7850    4.6     1.6    288*    3.7     2.2    168
 EVENING STAR             9200    3.1     1.2    258*    2.5     2.0    125
 FISHER CREEK             9100    3.2     1.4    229*    2.1     2.2     95
 NORTHEAST ENTRANCE       7350     .1      .0       *     .9     1.2     75
 PARKER PEAK              9400    3.1     1.4    221*    2.2     1.8    122
 SYLVAN LAKE              8420    1.1      .8    138*    2.1     2.0    105
 THUMB DIVIDE             7980     .1      .0       *    1.2     1.4     86
 TWO OCEAN PLATEAU        9240    3.3     1.9    174*    2.3     1.8    128
 WHITE MILL               8700    2.3     1.2    192*    1.7     1.8     94
 WOLVERINE                7650     .0      .0       *    1.3     1.3    100
                                                -----                  -----
                Basin Index (%)                  230*                   123


WIND RIVER

 BURROUGHS CREEK          8750     -M      .3       *     -M     1.2       *
 CASTLE CREEK             8400     .6      -M       *    1.8      -M       *
 COLD SPRINGS             9630    2.4      .0       *    3.5     1.2    292
 DEER PARK                9700    2.2     1.0    220*    2.8     1.7    165
 HOBBS PARK              10100    3.5     1.0    350*    3.7     1.4    264
 KIRWIN                   9550    3.3      .8    412*    2.6     1.2    217
 LITTLE WARM              9370    2.4      .5    480*    3.2     1.2    267
 OWL CREEK                8975    1.7      .3    567*    1.9      .9    211
 SOUTH PASS               9040    1.7      .2    850*    2.5     1.3    192
 ST. LAWRENCE ALT         8620    1.2      .0       *    3.1     1.1    282
 TOGWOTEE PASS            9580    3.4     1.7    200*    2.4     1.6    150
 TOWNSEND CREEK           8700     -M      .0       *     -M     1.4       *
                                                -----                  -----
                Basin Index (%)                  396*                   222


BIGHORN BASIN

 BALD MTN.                9380    4.8     2.0    240*    3.4     1.8    189
 BEAR TRAP MEADOW         8200    2.2      .2   1100*    3.4     1.2    283
 BONE SPRINGS DIV         9350    3.2     1.6    200*    2.8     1.8    156
 GRAVE SPRINGS            8550    3.1      .3   1033*    3.7     1.5    247
 KIRWIN                   9550    3.3      .8    412*    2.6     1.2    217
 MARQUETTE                8760    3.7      -M       *    4.2      -M       *
 MIDDLE POWDER            7760    5.0      .4   1250*    4.6     1.7    271
 OWL CREEK                8975    1.7      .3    567*    1.9      .9    211
 POWDER RIVER PASS        9480    2.8      .6    467*    3.1     1.4    221
 SHELL CREEK              9580    3.5     2.0    175     2.6     1.6    162
 TIMBER CREEK             7950    2.1      .0       *    3.3     1.4    236
                                                -----                  -----
                Basin Index (%)                  387*                   217


SHOSHONE RIVER

 BLACKWATER               9780    4.4     1.6    275*    2.4     1.9    126
 EVENING STAR             9200    3.1     1.2    258*    2.5     2.0    125
 MARQUETTE                8760    3.7      -M       *    4.2      -M       *
 SYLVAN ROAD              7120     .0      .0       *    2.0     1.6    125
 YOUNTS PEAK              8350     -M      .5       *     -M     1.4       *
                                                -----                  -----
                Basin Index (%)                  268*                   125


POWDER RIVER

 BEAR TRAP MEADOW         8200    2.2      .2   1100*    3.4     1.2    283
 CLOUD PEAK RESERVOIR     9860    3.3     1.0    330*    4.1     1.9    216
 GRAVE SPRINGS            8550    3.1      .3   1033*    3.7     1.5    247
 HANSEN SAWMILL           8360    2.2      .0       *    3.5     1.3    269
 MIDDLE POWDER            7760    5.0      .4   1250*    4.6     1.7    271
 POWDER RIVER PASS        9480    2.8      .6    467*    3.1     1.4    221
 SOLDIER PARK             8720    1.9      -M       *    3.3      -M       *
                                                -----                  -----
                Basin Index (%)                  744*                   249


TONGUE RIVER

 BIG GOOSE                7990    2.6      .5    520*    4.1     1.8    228
 BONE SPRINGS DIV         9350    3.2     1.6    200*    2.8     1.8    156
 BURGESS JUNCTION         7880    2.9      .6    483*    3.9     1.6    244
 DOME LAKE                8880    2.6     1.0    260*    3.7     1.8    206
 LITTLE GOOSE             8870    3.3      -M       *    4.9      -M       *
 SUCKER CREEK             8880    4.1      .8    512*    4.6     1.8    256
 TIE CREEK                6870    1.8      .0       *    4.2     1.9    221
                                                -----                  -----
                Basin Index (%)                  382*                   218


BELLE FOURCHE

 COLE CANYON              5910    2.4      .0       *    6.6     1.3    508
                                                -----                  -----
                Basin Index (%)                     *                   508


CHEYENNE RIVER BASIN

 BLIND PARK               6890    2.8      .0       *    6.7     1.6    419
 NORTH RAPID CREEK        6130    3.8      .0       *    7.1     1.4    507
                                                -----                  -----
                Basin Index (%)                     *                   460


UPPER N. PLATTE

 ARAPAHO RIDGE           10960    2.4     1.5    160*    3.2     1.9    168
 BLACKHALL MTN            9820    3.6      -M       *    5.0      -M       *
 COLUMBINE                9160    1.1      .0       *    3.1     1.7    182
 DIVIDE PEAK              8880    2.4      .5    480*    4.7     2.0    235
 JOE WRIGHT              10120    1.2      .8    150*    4.1     2.2    186
 LAPRELE CREEK            8375     .6      .0       *    2.6     1.2    217
 MED BOW                 10500    4.0      -M       *    4.9      -M       *
 NORTH FRENCH CREEK      10130     -M     1.2       *     -M     2.1       *
 NEVER SUMMER            10280    2.1     1.0    210*    2.8      -M       *
 OLD BATTLE              10000    3.5     1.3    269*    4.2     2.7    156
 RAWAH                    9020    1.5      .0       *    3.8     1.4    271
 SAGE CREEK BASIN         7850     .4      .0       *    2.8     1.3    215
 SAND LAKE               10050    4.0     1.4    286*    4.6     2.0    230
 SOUTH BRUSH CREEK        8440    2.0      .0       *    4.0     1.5    267
 TOWER                   10500    4.6     1.7    271*    5.3     2.7    196
 WEBBER SPRINGS           9250    1.6      .2    800*    3.5     2.0    175
 WILLOW CREEK PASS        9540    1.8      .3    600*    2.2     1.2    183
 ZIRKEL                   9340     -M      .0       *    2.9     2.6    112
                                                -----                  -----
                Basin Index (%)                  336*                   193


SWEETWATER

 DEER PARK                9700    2.2     1.0    220*    2.8     1.7    165
 LARSEN CREEK             9000     .0      -M       *    1.9      -M       *
 SOUTH PASS               9040    1.7      .2    850*    2.5     1.3    192
                                                -----                  -----
                Basin Index (%)                  325*                   177


LOWER N. PLATTE

 CASPER MTN.              7900     -M      .2       *     -M     1.8       *
 LAPRELE CREEK            8375     .6      .0       *    2.6     1.2    217
 RENO HILL                8400     -M      .6       *     -M     1.6       *
 WINDY PEAK               7900     .4      .0       *    2.4     1.1    218
                                                -----                  -----
                Basin Index (%)                     *                   217


LARAMIE RIVER

 BROOKLYN LAKE           10240    1.6      .3    533*    2.5     1.5    167
 CINNABAR PARK            9574    1.9      .5    380*    3.1     1.7    182
 CROW CREEK               8330     .5      .0       *    2.5     1.3    192
 DEADMAN HILL            10220    2.4     1.1    218*    3.2     1.6    200
 RAWAH                    9020    1.5      .0       *    3.8     1.4    271
 ROACH                    9700     -M      .3       *     -M     1.6       *
                                                -----                  -----
                Basin Index (%)                  416*                   201


S. PLATTE

 BLACK MOUNTAIN           8920    1.3      -M       *    2.4      -M       *
 CROW CREEK               8330     .5      .0       *    2.5     1.3    192
 DEADMAN HILL            10220    2.4     1.1    218*    3.2     1.6    200
                                                -----                  -----
                Basin Index (%)                  264*                   197


LITTLE SNAKE RIVER

 BATTLE MOUNTAIN          7440     .9      .0       *    3.0     1.1    273
 DIVIDE PEAK              8880    2.4      .5    480*    4.7     2.0    235
 ELK RIVER                8700     .9      .0       *    2.9     1.6    181
 LITTLE SNAKE RIVER       8915    1.8      .3    600*    4.4     2.7    163
 OLD BATTLE              10000    3.5     1.3    269*    4.2     2.7    156
 SAGE CREEK BASIN         7850     .4      .0       *    2.8     1.3    215
 SANDSTONE RS             8150    1.3      .0       *    3.2     1.3    246
 WHISKEY PARK             8950    3.2      .1   3200*    4.9     1.8    272
                                                -----                  -----
                Basin Index (%)                  655*                   208


UPPER GREEN RIVER

 BIG SANDY OPENING        9080    1.3      .6    217*    1.5     1.1    136
 BLIND BULL SUM           8650     .7      .4    175*    1.3     1.3    100
 EAST RIM DIVIDE          7930     .1      .0       *    1.2      .8    150
 ELKHART PARK G.S.        9400    1.3      .4    325*    2.0     1.2    167
 GROS VENTRE SUMMIT       8750    2.1      .9    233*    2.0     1.1    182
 GUNSIGHT PASS            9820    2.2      .5    440*    2.5     1.4    179
 KENDALL R.S.             7740     .1      .0       *    1.2      .9    133
 LOOMIS PARK              8240     .5      .0       *    1.4     1.0    140
 NEW FORK LAKE            8340     .4      .0       *     .8      .8    100
 POCKET CREEK             9360    2.3      -M       *    2.5      -M       *
 SNIDER BASIN             8060     .2      .0       *    1.1      .9    122
 SPRING CREEK DIVIDE      9000     .6      .4    150*    1.1     1.3     85
 TRIPLE PEAK              8500     .7      .2    350*    1.3     1.4     93
                                                -----                  -----
                Basin Index (%)                  300*                   132


LOWER GREEN RIVER

 BLACKS FORK JCT          8870     -M      -M       *    1.8      -M       *
 BUCK PASTURE             9700     .6      -M       *    2.3      -M       *
 EF BLACKS FORK GS        9360     .7      -M       *    1.8      -M       *
 HAMS FORK                7840     .0      .0       *    1.5      .8    188
 HEWINTA                  9519     .0      .0       *    2.0     1.3    154
 HICKERSON PARK           9145     .3      .0       *    1.6     1.1    145
 HOLE-IN-ROCK             9150     .0      .0       *    1.3     1.2    108
 INDIAN CREEK             9425     .8      .8    100*    1.5     1.3    115
 KELLEY R.S.              8180     .6      .0       *    1.6     1.1    145
 SPIRIT LK               10235    1.0      -M       *    2.0      -M       *
 STEEL CREEK PARK        10200     .0      .6      0*    2.4     1.5    160
                                                -----                  -----
                Basin Index (%)                  121*                   143


UPPER BEAR RIVER

 BEAR RIVER RS            8777     .0      -M       *    1.7      -M       *
 BUG LAKE                 7950    1.2      .0       *    1.5     1.4    107
 BURTS MILLER RANCH       8000     .2      -M       *     .8      -M       *
 CHALK CREEK #1           8993    1.2      .3    400*    2.4     1.9    126
 HAYDEN FORK              9212     .1      .0       *    2.5     1.6    156
 KELLEY R.S.              8180     .6      .0       *    1.6     1.1    145
 LILY LAKE                9156     .1      .0       *    2.5     1.5    167
 MONTE CRISTO             8960     .7      .0       *    1.8     1.7    106
 SALT RIVER SUMMIT        7760     .0      .0       *    1.4     1.0    140
                                                -----                  -----
                Basin Index (%)                 1300*                   134

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


 -M   = Missing data
  *   = Data may not provide a valid measure of conditions.
Units = inches for the Current and Normal Snow Water Equivalent and

Total Precipitation values

If the Basin Index (%) 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 Median represents the snow water
equivalent found at selected SNOTEL sites in or near the basin compared to
the Median 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.

Medians and averages are calculated for the period 1981-2010.

Provisional data, subject to revision.

* Site -- Either: (a) the current value is missing; (b) the median or
average for the day is not available or is zero; or (c) for snow water
equivalent, the median for the day is less than 10% of the maximum
median value for  the year.


* Basin - More than half of the sites within the basin are flagged with *,
preventing the calculation of a meaningful basin index.

The basin index is calculated as the sum of the valid current values
divided by the sum of the corresponding medians (for snow water equivalent)
or averages (for precipitation) and the resulting fraction multiplied by 100.