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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: JANUARY 28 , 2017
------------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT    TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Median  Median  Current  Average  Avg
------------------------------------------------------------------------------

WYOMING
 

SNAKE RIVER  

 Base Camp                7030   15.5    10.6    146    23.4    13.6    172 
 Black Bear               8170   22.4    23.0     97    31.4    24.2    130 
 Blind Bull Sum           8650   22.0    13.3    165    15.8    12.5    126 
 Cottonwood Creek         7670   16.3    12.1    135    22.3    15.3    146 
 East Rim Divide          7930   11.0     6.7    164    13.3     7.5    177 
 Grand Targhee            9260   28.4    23.2    122    26.3    20.2    130 
 Granite Creek            6770   15.8     9.9    160    20.9    13.2    158 
 Grassy Lake              7265   23.5    19.2    122    34.7    23.2    150 
 Gros Ventre Summit       8750    9.5     8.1    117    13.7     8.0    171 
 Gunsight Pass            9820   10.2     8.0    128    14.2     8.6    165 
 Lewis Lake Divide        7850   19.8    19.0    104    31.6    22.5    140 
 Phillips Bench           8200   18.4    15.9    116    26.7    17.6    152 
 Salt River Summit        7760   12.2     7.4    165    17.1    10.3    166 
 Snake River Station      6920   14.1    10.1    140    23.3    15.0    155 
 Spring Creek Divide      9000   20.4    13.7    149    22.9    14.9    154 
 Thumb Divide             7980   10.2     9.3    110    15.7    11.9    132 
 Togwotee Pass            9580   18.3    14.5    126    22.0    15.4    143 
 Two Ocean Plateau        9240   23.4    16.5    142    23.5    16.8    140 
 Willow Creek             8380   19.9    16.7    119    30.9    21.0    147 
 Younts Peak              8350   12.5     9.1    137    16.7    10.2    164 
                                                -----                  -----
                Basin Index (%)                  129                    148 
 

MADISON-GALLATIN

 Black Bear               8170   22.4    23.0     97    31.4    24.2    130 
 Canyon                   7870    9.3     7.9    118    15.6    10.4    150 
 Madison Plateau          7750   13.6    13.9     98    22.7    16.9    134 
 West Yellowstone         6700    7.6     6.9    110    15.1     9.4    161 
 Whiskey Creek            6800    8.7     9.5     92    16.6    12.9    129 
                                                -----                  -----
                Basin Index (%)                  101                    137 
 

YELLOWSTONE

 Beartooth Lake           9360   15.4    13.4    115    11.8    12.5     94 
 Burnt Mtn                5880    4.5     2.4    188     8.6     7.7    112 
 Canyon                   7870    9.3     7.9    118    15.6    10.4    150 
 Cole Creek               7850    6.2     8.0     78     5.1     7.4     69 
 Evening Star             9200   18.5    15.5    119    24.9    17.5    142 
 Fisher Creek             9100   18.3    20.1     91    23.4    20.2    116 
 Northeast Entrance       7350    6.5     6.1    107    11.7     8.0    146 
 Parker Peak              9400   16.1    12.4    130    19.0    11.1    171 
 Sylvan Lake              8420   12.9    12.6    102    23.3    14.4    162 
 Thumb Divide             7980   10.2     9.3    110    15.7    11.9    132 
 Two Ocean Plateau        9240   23.4    16.5    142    23.5    16.8    140 
 White Mill               8700   15.1    14.0    108    18.2    15.0    121 
 Wolverine                7650    8.8     6.7    131    12.6     8.0    158 
                                                -----                  -----
                Basin Index (%)                  114                    133 
 

WIND RIVER

 Burroughs Creek          8750   12.2      -M       *   14.7      -M       *
 Castle Creek             8400    6.7      -M       *    8.9      -M       *
 Cold Springs             9630    6.3     4.3    147     8.8     6.1    144 
 Deer Park                9700   18.0     8.8    205    21.2    11.9    178 
 Hobbs Park              10100   12.3     7.9    156    12.4     7.6    163 
 Kirwin                   9550    9.8     5.6    175    12.8     7.1    180 
 Little Warm              9370    6.7     6.1    110    11.8     7.9    149 
 Owl Creek                8975    3.9     3.1    126     5.5     3.4    162 
 South Pass               9040   17.0     8.3    205    16.3    10.6    154 
 St. Lawrence Alt         8620    3.8     4.1     93     7.7     5.2    148 
 Togwotee Pass            9580   18.3    14.5    126    22.0    15.4    143 
 Townsend Creek           8700    6.9     5.0    138     9.7     6.9    141 
                                                -----                  -----
                Basin Index (%)                  152                    156 
 

BIGHORN BASIN

 Bald Mtn.                9380   12.2    10.6    115    10.7    10.4    103 
 Bear Trap Meadow         8200    3.3     3.3    100     4.6     5.1     90 
 Bone Springs Div         9350    9.4     9.6     98     9.8     9.3    105 
 Grave Springs            8550    3.8     4.9     78     4.8     6.3     76 
 Kirwin                   9550    9.8     5.6    175    12.8     7.1    180 
 Marquette                8760    4.9      -M       *    8.3      -M       *
 Middle Powder            7760    4.6     6.2     74     5.1     7.2     71 
 Owl Creek                8975    3.9     3.1    126     5.5     3.4    162 
 Powder River Pass        9480    3.8     6.1     62     6.5     7.7     84 
 Shell Creek              9580    9.9     8.9    111     8.0     8.6     93 
 Timber Creek             7950    3.7     3.0    123     4.9     4.4    111 
                                                -----                  -----
                Basin Index (%)                  105                    105 
 

SHOSHONE RIVER

 Blackwater               9780   19.4    14.2    137    23.2    12.9    180 
 Evening Star             9200   18.5    15.5    119    24.9    17.5    142 
 Marquette                8760    4.9      -M       *    8.3      -M       *
 Sylvan Road              7120    9.4     7.6    124    19.6    11.6    169 
 Younts Peak              8350   12.5     9.1    137    16.7    10.2    164 
                                                -----                  -----
                Basin Index (%)                  129                    162 
 

POWDER RIVER

 Bear Trap Meadow         8200    3.3     3.3    100     4.6     5.1     90 
 Cloud Peak Reservoir     9860    7.3     8.0     91     9.1     7.7    118 
 Grave Springs            8550    3.8     4.9     78     4.8     6.3     76 
 Hansen Sawmill           8360    4.8     4.0    120     6.6     4.9    135 
 Middle Powder            7760    4.6     6.2     74     5.1     7.2     71 
 Powder River Pass        9480    3.8     6.1     62     6.5     7.7     84 
 Soldier Park             8720    7.4      -M       *    6.7      -M       *
                                                -----                  -----
                Basin Index (%)                   85                     94 
 

TONGUE RIVER

 Big Goose                7990    5.2     4.7    111     6.3     6.4     98 
 Bone Springs Div         9350    9.4     9.6     98     9.8     9.3    105 
 Burgess Junction         7880    5.5     6.5     85     6.7     7.2     93 
 Dome Lake                8880    6.4     6.6     97     7.9     8.1     98 
 Little Goose             8870    5.7      -M       *    7.9      -M       *
 Sucker Creek             8880    6.4     7.0     91     6.7     8.4     80 
 Tie Creek                6870    3.8     3.2    119     6.9     6.9    100 
                                                -----                  -----
                Basin Index (%)                   98                     96 
 

BELLE FOURCHE

 Cole Canyon              5910    3.4     3.1    110     4.3     5.6     77 
                                                -----                  -----
                Basin Index (%)                  110                     77 
 

CHEYENNE RIVER BASIN

 Blind Park               6890    4.1     4.4     93     5.1     7.5     68 
 North Rapid Creek        6130    4.3     4.1    105     4.6     6.1     75 
                                                -----                  -----
                Basin Index (%)                   99                     71 
 

UPPER N. PLATTE

 Arapaho Ridge           10960   18.7    12.7    147    19.5    13.7    142 
 Blackhall Mtn            9820   25.2      -M       *   26.4      -M       *
 Columbine                9160   18.9    14.2    133    20.5    15.8    130 
 Divide Peak              8880   13.2    11.8    112    15.6    13.2    118 
 Joe Wright              10120   14.5    12.6    115    20.5    15.5    132 
 Laprele Creek            8375    6.9     5.3    130     6.7     7.3     92 
 Med Bow                 10500   26.0      -M       *   24.9      -M       *
 North French Creek      10130   16.5    15.6    106    18.2    16.4    111 
 Never Summer            10280     -M    11.8       *     -M      -M       *
 Old Battle              10000   24.9    18.6    134    26.2    21.7    121 
 Rawah                    9020   10.0     6.0    167    12.3     8.9    138 
 Sage Creek Basin         7850   11.0     8.0    138    11.7     9.4    124 
 Sand Lake               10050   19.2    16.0    120    18.4    14.6    126 
 South Brush Creek        8440    7.0     7.1     99     8.0     9.3     86 
 Tower                   10500   30.2    26.5    114    31.4    24.8    127 
 Webber Springs           9250   19.5    13.1    149    23.4    16.5    142 
 Willow Creek Pass        9540   13.0     7.2    181    13.9     8.0    174 
 Zirkel                   9340   27.2    17.6    155    32.5    18.1    180 
                                                -----                  -----
                Basin Index (%)                  130                    131 
 

SWEETWATER

 Deer Park                9700   18.0     8.8    205    21.2    11.9    178 
 Larsen Creek             9000   12.0     7.0    171    15.5      -M       *
 South Pass               9040   17.0     8.3    205    16.3    10.6    154 
                                                -----                  -----
                Basin Index (%)                  195                    167 
 

LOWER N. PLATTE

 Casper Mtn.              7900    6.4     7.4     86     6.7     8.9     75 
 Laprele Creek            8375    6.9     5.3    130     6.7     7.3     92 
 Reno Hill                8400     -M     7.6       *     -M     8.7       *
 Windy Peak               7900    5.6     4.0    140     6.3     6.2    102 
                                                -----                  -----
                Basin Index (%)                  113                     88 
 

LARAMIE RIVER

 Brooklyn Lake           10240   16.1    11.9    135    14.8    12.5    118 
 Cinnabar Park            9574   13.1    12.9    102    15.8    15.4    103 
 Crow Creek               8330    4.2     5.6     75     5.9     6.4     92 
 Deadman Hill            10220   14.0     9.6    146    13.3    10.0    133 
 Rawah                    9020   10.0     6.0    167    12.3     8.9    138 
 Roach                    9700   12.4     9.8    127    14.6    11.5    127 
                                                -----                  -----
                Basin Index (%)                  125                    119 
 

S. PLATTE

 Black Mountain           8920    7.1      -M       *    8.4      -M       *
 Crow Creek               8330    4.2     5.6     75     5.9     6.4     92 
 Deadman Hill            10220   14.0     9.6    146    13.3    10.0    133 
                                                -----                  -----
                Basin Index (%)                  120                    117 
 

LITTLE SNAKE RIVER

 Battle Mountain          7440    8.8     6.8    129      -M     9.4       *
 Divide Peak              8880   13.2    11.8    112    15.6    13.2    118 
 Elk River                8700   15.7    10.6    148    15.7    12.3    128 
 Little Snake River       8915   22.6    14.8    153    28.0    19.9    141 
 Old Battle              10000   24.9    18.6    134    26.2    21.7    121 
 Sage Creek Basin         7850   11.0     8.0    138    11.7     9.4    124 
 Sandstone RS             8150   10.7     7.7    139    11.5    11.6     99 
 Whiskey Park             8950   19.1    15.2    126    21.8    17.2    127 
                                                -----                  -----
                Basin Index (%)                  135                    124 
 

UPPER GREEN RIVER

 Big Sandy Opening        9080   13.1     7.8    168    15.5     8.1    191 
 Blind Bull Sum           8650   22.0    13.3    165    15.8    12.5    126 
 East Rim Divide          7930   11.0     6.7    164    13.3     7.5    177 
 Elkhart Park G.S.        9400   10.0     7.2    139    15.5     8.2    189 
 Gros Ventre Summit       8750    9.5     8.1    117    13.7     8.0    171 
 Gunsight Pass            9820   10.2     8.0    128    14.2     8.6    165 
 Kendall R.S.             7740   12.4     7.7    161    16.7     8.9    188 
 Loomis Park              8240   15.0     9.2    163    20.1    10.9    184 
 New Fork Lake            8340   10.1     6.7    151    10.5     6.9    152 
 Pocket Creek             9360     -M      -M       *     -M      -M       *
 Snider Basin             8060   12.2     7.3    167    16.9     8.9    190 
 Spring Creek Divide      9000   20.4    13.7    149    22.9    14.9    154 
 Triple Peak              8500   22.1    12.5    177    23.3    15.5    150 
                                                -----                  -----
                Basin Index (%)                  155                    167 
 

LOWER GREEN RIVER

 Blacks Fork Jct          8870    8.0      -M       *   10.4      -M       *
 Buck Pasture             9700   13.5      -M       *   16.3      -M       *
 EF Blacks Fork GS        9360    9.1      -M       *    9.5      -M       *
 Hams Fork                7840   11.1     6.9    161    13.2     7.1    186 
 Hewinta                  9519    8.7     5.3    164    10.9     8.3    131 
 Hickerson Park           9145    6.0     3.6    167     6.3     6.0    105 
 Hole-in-Rock             9150    4.9     3.8    129     6.8     5.6    121 
 Indian Creek             9425     -M    14.1       *     -M    13.6       *
 Kelley R.S.              8180   15.2     8.7    175    20.4    11.2    182 
 Spirit Lk               10235    9.6      -M       *   11.2      -M       *
 Steel Creek Park        10200   11.7     8.4    139    13.4     9.6    140 
                                                -----                  -----
                Basin Index (%)                  157                    149 
 

UPPER BEAR RIVER

 Bear River RS            8777    9.8      -M       *   11.7      -M       *
 Bug Lake                 7950   21.3     9.9    215    18.8    12.1    155 
 Burts Miller Ranch       8000    5.6      -M       *    5.8      -M       *
 Chalk Creek #1           8993   21.8    13.1    166      -M    15.2       *
 Hayden Fork              9212   15.6     8.3    188      -M    12.6       *
 Kelley R.S.              8180   15.2     8.7    175    20.4    11.2    182 
 Lily Lake                9156   10.7     7.2    149    13.2    10.4    127 
 Monte Cristo             8960   21.9    15.3    143      -M    15.8       *
 Salt River Summit        7760   12.2     7.4    165    17.1    10.3    166 
                                                -----                  -----
                Basin Index (%)                  170                    158*

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


 -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.