Home
Interactive Maps
WY Weather
WY Climate
Drought
Data/Products
CoCoRaHS
Library
Articles & Publications
Education & Outreach
Site Map
Cooperative Projects
Water Links
Contact Us

Subscribe to our mailing list

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

wrds@uwyo.edu
Ph (307) 766-6651
Fax (307) 766-3785


Share this page
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: JANUARY 19 , 2017
------------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT    TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Median  Median  Current  Average  Avg
------------------------------------------------------------------------------

WYOMING
 

SNAKE RIVER  

 Base Camp                7030   15.2     9.8    155    22.9    12.4    185 
 Black Bear               8170   21.2    21.3    100    30.3    21.9    138 
 Blind Bull Sum           8650   21.6    12.5    173      -M    11.6       *
 Cottonwood Creek         7670   14.8    10.9    136    20.9    14.2    147 
 East Rim Divide          7930   10.2     5.9    173    12.5     6.9    181 
 Grand Targhee            9260   27.1    21.4    127    25.4    18.1    140 
 Granite Creek            6770   14.9     9.0    166    20.6    12.0    172 
 Grassy Lake              7265   22.1    17.2    128    33.3    21.2    157 
 Gros Ventre Summit       8750    9.3     7.6    122    13.6     7.4    184 
 Gunsight Pass            9820   10.1     7.6    133    14.1     8.0    176 
 Lewis Lake Divide        7850   19.1    17.0    112    30.9    20.7    149 
 Phillips Bench           8200   17.3    15.3    113    26.4    16.2    163 
 Salt River Summit        7760   11.1     6.6    168    16.5     9.5    174 
 Snake River Station      6920   13.8     9.3    148    21.9    13.7    160 
 Spring Creek Divide      9000   19.2    12.5    154    22.6    13.8    164 
 Thumb Divide             7980   10.0     8.2    122    15.4    10.9    141 
 Togwotee Pass            9580   17.5    13.1    134    21.3    14.3    149 
 Two Ocean Plateau        9240   23.2    15.6    149    23.6    15.6    151 
 Willow Creek             8380   18.5    14.8    125    27.8    19.3    144 
 Younts Peak              8350   12.3     8.7    141    16.7     9.5    176 
                                                -----                  -----
                Basin Index (%)                  134                    157 
 

MADISON-GALLATIN

 Black Bear               8170   21.2    21.3    100    30.3    21.9    138 
 Canyon                   7870    9.1     7.4    123    15.4     9.5    162 
 Madison Plateau          7750   12.7    13.0     98    22.0    15.4    143 
 West Yellowstone         6700    7.2     6.5    111    14.7     8.5    173 
 Whiskey Creek            6800    8.2     8.6     95    16.1    11.9    135 
                                                -----                  -----
                Basin Index (%)                  103                    147 
 

YELLOWSTONE

 Beartooth Lake           9360   15.2    12.6    121    11.7    11.5    102 
 Burnt Mtn                5880    4.5     2.3    196     8.4     7.4    114 
 Canyon                   7870    9.1     7.4    123    15.4     9.5    162 
 Cole Creek               7850    6.1     7.4     82     5.3     7.1     75 
 Evening Star             9200   18.3    14.3    128    24.6    16.2    152 
 Fisher Creek             9100   17.8    18.8     95    23.0    18.5    124 
 Northeast Entrance       7350    6.4     5.5    116    11.6     7.5    155 
 Parker Peak              9400   16.1    11.8    136    18.9    10.3    183 
 Sylvan Lake              8420   12.3    11.4    108    22.9    13.4    171 
 Thumb Divide             7980   10.0     8.2    122    15.4    10.9    141 
 Two Ocean Plateau        9240   23.2    15.6    149    23.6    15.6    151 
 White Mill               8700   14.7    13.2    111    18.0    13.9    129 
 Wolverine                7650     -M     6.1       *     -M     7.5       *
                                                -----                  -----
                Basin Index (%)                  120                    140 
 

WIND RIVER

 Burroughs Creek          8750   11.8      -M       *   14.6      -M       *
 Castle Creek             8400    6.6      -M       *    8.8      -M       *
 Cold Springs             9630    6.0     4.2    143     8.6     5.8    148 
 Deer Park                9700   17.3     7.6    228    20.8    11.2    186 
 Hobbs Park              10100   12.0     7.4    162    12.0     7.2    167 
 Kirwin                   9550    9.6     5.3    181    12.7     6.7    190 
 Little Warm              9370    6.6     5.7    116    11.8     7.4    159 
 Owl Creek                8975    3.6     3.0    120     5.2     3.3    158 
 South Pass               9040   16.5     8.0    206    16.2     9.9    164 
 St. Lawrence Alt         8620    3.2     3.6     89     7.1     4.9    145 
 Togwotee Pass            9580   17.5    13.1    134    21.3    14.3    149 
 Townsend Creek           8700    6.3     4.5    140     9.3     6.6    141 
                                                -----                  -----
                Basin Index (%)                  158                    162 
 

BIGHORN BASIN

 Bald Mtn.                9380   11.8    10.0    118    10.7     9.7    110 
 Bear Trap Meadow         8200    2.9     3.0     97     4.5     4.7     96 
 Bone Springs Div         9350    9.1     8.9    102     9.7     8.7    111 
 Grave Springs            8550    3.4     4.5     76     4.6     5.9     78 
 Kirwin                   9550    9.6     5.3    181    12.7     6.7    190 
 Marquette                8760    4.6      -M       *    8.0      -M       *
 Middle Powder            7760    4.2     6.0     70     5.1     6.8     75 
 Owl Creek                8975    3.6     3.0    120     5.2     3.3    158 
 Powder River Pass        9480    3.4     5.8     59     6.6     7.1     93 
 Shell Creek              9580    9.8     8.5    115     8.0     7.9    101 
 Timber Creek             7950    3.4     2.8    121     4.7     4.3    109 
                                                -----                  -----
                Basin Index (%)                  106                    110 
 

SHOSHONE RIVER

 Blackwater               9780   19.2    13.0    148    22.9    12.0    191 
 Evening Star             9200   18.3    14.3    128    24.6    16.2    152 
 Marquette                8760    4.6      -M       *    8.0      -M       *
 Sylvan Road              7120    9.1     7.0    130    19.4    10.8    180 
 Younts Peak              8350   12.3     8.7    141    16.7     9.5    176 
                                                -----                  -----
                Basin Index (%)                  137                    172 
 

POWDER RIVER

 Bear Trap Meadow         8200    2.9     3.0     97     4.5     4.7     96 
 Cloud Peak Reservoir     9860    6.8     7.5     91     8.9     7.3    122 
 Grave Springs            8550    3.4     4.5     76     4.6     5.9     78 
 Hansen Sawmill           8360    4.4     3.6    122     6.2     4.6    135 
 Middle Powder            7760    4.2     6.0     70     5.1     6.8     75 
 Powder River Pass        9480    3.4     5.8     59     6.6     7.1     93 
 Soldier Park             8720    7.1      -M       *    6.5      -M       *
                                                -----                  -----
                Basin Index (%)                   83                     99 
 

TONGUE RIVER

 Big Goose                7990    5.1     4.4    116     6.1     6.0    102 
 Bone Springs Div         9350    9.1     8.9    102     9.7     8.7    111 
 Burgess Junction         7880    5.2     6.1     85     6.6     6.9     96 
 Dome Lake                8880    6.3     6.3    100     7.8     7.7    101 
 Little Goose             8870    5.4      -M       *    7.7      -M       *
 Sucker Creek             8880    6.1     6.5     94     6.8     7.9     86 
 Tie Creek                6870    3.7     2.9    128     6.8     6.6    103 
                                                -----                  -----
                Basin Index (%)                  101                    100 
 

BELLE FOURCHE

 Cole Canyon              5910    3.2     2.9    110     4.2     5.3     79 
                                                -----                  -----
                Basin Index (%)                  110                     79 
 

CHEYENNE RIVER BASIN

 Blind Park               6890    3.7     4.1     90     4.8     7.1     68 
 North Rapid Creek        6130    4.0     3.8    105     4.3     5.8     74 
                                                -----                  -----
                Basin Index (%)                   97                     71 
 

UPPER N. PLATTE

 Arapaho Ridge           10960   17.7    11.2    158    18.6    12.9    144 
 Blackhall Mtn            9820   23.3      -M       *   24.5      -M       *
 Columbine                9160   17.5    12.7    138    18.8    14.5    130 
 Divide Peak              8880   11.9    10.8    110    14.5    12.4    117 
 Joe Wright              10120   13.8    11.7    118    19.6    14.4    136 
 Laprele Creek            8375    6.4     5.1    125     6.2     6.9     90 
 Med Bow                 10500   24.4      -M       *   23.5      -M       *
 North French Creek      10130   15.3    14.3    107    17.0    15.0    113 
 Never Summer            10280     -M    10.8       *     -M      -M       *
 Old Battle              10000   22.7    16.1    141    24.8    20.1    123 
 Rawah                    9020    9.3     5.6    166    11.8     8.5    139 
 Sage Creek Basin         7850    9.7     7.4    131    10.2     8.8    116 
 Sand Lake               10050   18.2    14.7    124    17.7    13.6    130 
 South Brush Creek        8440    6.4     6.3    102     7.7     8.6     90 
 Tower                   10500   27.5    23.6    117    30.5    22.7    134 
 Webber Springs           9250   18.0    12.1    149    22.0    15.2    145 
 Willow Creek Pass        9540   12.4     6.4    194    13.2     7.5    176 
 Zirkel                   9340   25.5    16.0    159    26.4    16.8    157 
                                                -----                  -----
                Basin Index (%)                  134                    131 
 

SWEETWATER

 Deer Park                9700   17.3     7.6    228    20.8    11.2    186 
 Larsen Creek             9000   11.6     6.3    184    15.1      -M       *
 South Pass               9040   16.5     8.0    206    16.2     9.9    164 
                                                -----                  -----
                Basin Index (%)                  207                    175 
 

LOWER N. PLATTE

 Casper Mtn.              7900    5.9     6.8     87     6.2     8.3     75 
 Laprele Creek            8375    6.4     5.1    125     6.2     6.9     90 
 Reno Hill                8400     -M     6.8       *     -M     8.2       *
 Windy Peak               7900    5.0     3.8    132     5.8     5.9     98 
                                                -----                  -----
                Basin Index (%)                  110                     86 
 

LARAMIE RIVER

 Brooklyn Lake           10240   15.2    11.1    137    14.2    11.4    125 
 Cinnabar Park            9574   12.5    11.7    107    15.3    14.4    106 
 Crow Creek               8330    4.0     5.2     77     5.7     6.1     93 
 Deadman Hill            10220   13.6     8.5    160    13.5     9.3    145 
 Rawah                    9020    9.3     5.6    166    11.8     8.5    139 
 Roach                    9700   11.6     9.0    129    13.8    10.7    129 
                                                -----                  -----
                Basin Index (%)                  130                    123 
 

S. PLATTE

 Black Mountain           8920    7.0      -M       *    8.2      -M       *
 Crow Creek               8330    4.0     5.2     77     5.7     6.1     93 
 Deadman Hill            10220   13.6     8.5    160    13.5     9.3    145 
                                                -----                  -----
                Basin Index (%)                  128                    125 
 

LITTLE SNAKE RIVER

 Battle Mountain          7440    7.9     5.9    134      -M     8.7       *
 Divide Peak              8880   11.9    10.8    110    14.5    12.4    117 
 Elk River                8700   14.7     9.6    153    14.8    11.4    130 
 Little Snake River       8915   20.5    12.6    163    26.2    18.2    144 
 Old Battle              10000   22.7    16.1    141    24.8    20.1    123 
 Sage Creek Basin         7850    9.7     7.4    131    10.2     8.8    116 
 Sandstone RS             8150    9.9     7.1    139    10.7    10.7    100 
 Whiskey Park             8950   17.7    14.2    125    20.7    15.7    132 
                                                -----                  -----
                Basin Index (%)                  137                    125 
 

UPPER GREEN RIVER

 Big Sandy Opening        9080   12.5     7.0    179    14.8     7.6    195 
 Blind Bull Sum           8650   21.6    12.5    173      -M    11.6       *
 East Rim Divide          7930   10.2     5.9    173    12.5     6.9    181 
 Elkhart Park G.S.        9400    9.3     6.7    139    14.6     7.7    190 
 Gros Ventre Summit       8750    9.3     7.6    122    13.6     7.4    184 
 Gunsight Pass            9820   10.1     7.6    133    14.1     8.0    176 
 Kendall R.S.             7740   11.9     6.7    178    16.2     8.2    198 
 Loomis Park              8240   14.2     8.2    173    19.4    10.1    192 
 New Fork Lake            8340    9.4     5.9    159     9.9     6.4    155 
 Pocket Creek             9360     -M      -M       *     -M      -M       *
 Snider Basin             8060   11.4     6.5    175    16.0     8.2    195 
 Spring Creek Divide      9000   19.2    12.5    154    22.6    13.8    164 
 Triple Peak              8500   20.9    11.6    180      -M    14.2       *
                                                -----                  -----
                Basin Index (%)                  162                    182 
 

LOWER GREEN RIVER

 Blacks Fork Jct          8870    7.7      -M       *    9.7      -M       *
 Buck Pasture             9700   11.9      -M       *   14.7      -M       *
 EF Blacks Fork GS        9360    8.5      -M       *    9.3      -M       *
 Hams Fork                7840   10.2     6.1    167    12.3     6.6    186 
 Hewinta                  9519    8.0     5.0    160    10.3     7.8    132 
 Hickerson Park           9145    5.5     3.2    172     5.9     5.7    104 
 Hole-in-Rock             9150    4.5     3.6    125     6.4     5.3    121 
 Indian Creek             9425   19.9    13.0    153      -M    12.5       *
 Kelley R.S.              8180   13.8     7.7    179    19.0    10.4    183 
 Spirit Lk               10235    8.3      -M       *   10.1      -M       *
 Steel Creek Park        10200   10.9     7.5    145    12.7     8.9    143 
                                                -----                  -----
                Basin Index (%)                  158                    149 
 

UPPER BEAR RIVER

 Bear River RS            8777    8.9      -M       *   10.7      -M       *
 Bug Lake                 7950   19.1     8.9    215    19.5    11.1    176 
 Burts Miller Ranch       8000    4.8      -M       *    5.6      -M       *
 Chalk Creek #1           8993   19.5    11.9    164    20.9    14.0    149 
 Hayden Fork              9212   13.9     7.5    185    18.3    11.7    156 
 Kelley R.S.              8180   13.8     7.7    179    19.0    10.4    183 
 Lily Lake                9156   10.2     6.6    155    12.1     9.6    126 
 Monte Cristo             8960   18.7    13.8    136    21.1    14.6    145 
 Salt River Summit        7760   11.1     6.6    168    16.5     9.5    174 
                                                -----                  -----
                Basin Index (%)                  169                    157 

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


 -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.