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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 7:28p, 5/22/18
Temperature 60.1°F
Wind 6.0 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 THURSDAY: JANUARY 12 , 2017
------------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT    TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Median  Median  Current  Average  Avg
------------------------------------------------------------------------------

WYOMING
 

SNAKE RIVER  

 Base Camp                7030   15.3     8.9    172    22.4    11.8    190 
 Black Bear               8170   21.0    20.0    105    30.0    20.8    144 
 Blind Bull Sum           8650   21.3    11.6    184    16.1    10.8    149 
 Cottonwood Creek         7670   14.7     9.6    153    20.0    13.3    150 
 East Rim Divide          7930   10.2     5.3    192    12.5     6.5    192 
 Grand Targhee            9260   27.2    20.8    131    24.9    17.7    141 
 Granite Creek            6770   15.1     7.9    191    20.7    11.3    183 
 Grassy Lake              7265   22.2    15.7    141    33.3    19.9    167 
 Gros Ventre Summit       8750    9.4     7.2    131    13.7     7.0    196 
 Gunsight Pass            9820   10.0     7.1    141    14.0     7.6    184 
 Lewis Lake Divide        7850   19.2    15.7    122    27.6    19.5    142 
 Phillips Bench           8200   17.5    13.6    129    26.2    15.3    171 
 Salt River Summit        7760   11.1     5.8    191    16.6     8.9    187 
 Snake River Station      6920   13.9     8.3    167    21.8    12.9    169 
 Spring Creek Divide      9000   19.2    11.2    171    22.4    13.0    172 
 Thumb Divide             7980   10.1     7.6    133    15.5    10.3    150 
 Togwotee Pass            9580   17.5    12.6    139    21.3    13.5    158 
 Two Ocean Plateau        9240   23.1    15.0    154    23.6    14.8    159 
 Willow Creek             8380   18.4    13.2    139    27.6    18.2    152 
 Younts Peak              8350   12.2     7.9    154    16.4     9.0    182 
                                                -----                  -----
                Basin Index (%)                  146                    163 
 

MADISON-GALLATIN

 Black Bear               8170   21.0    20.0    105    30.0    20.8    144 
 Canyon                   7870    9.1     6.8    134    15.2     9.0    169 
 Madison Plateau          7750   12.4    11.5    108    21.6    14.6    148 
 West Yellowstone         6700    7.3     5.9    124    14.7     8.2    179 
 Whiskey Creek            6800    8.2     8.1    101    16.1    11.3    142 
                                                -----                  -----
                Basin Index (%)                  111                    153 
 

YELLOWSTONE

 Beartooth Lake           9360   15.0    11.7    128    10.4    10.7     97 
 Burnt Mtn                5880    4.3     2.0    215     8.3     7.2    115 
 Canyon                   7870    9.1     6.8    134    15.2     9.0    169 
 Cole Creek               7850    5.9     6.8     87     5.0     6.8     74 
 Evening Star             9200   17.9    13.5    133    23.9    15.2    157 
 Fisher Creek             9100   17.7    17.3    102    22.7    17.5    130 
 Northeast Entrance       7350    6.4     5.0    128    11.5     7.0    164 
 Parker Peak              9400   16.0    11.2    143    18.7     9.7    193 
 Sylvan Lake              8420   12.2    10.9    112    22.8    12.7    180 
 Thumb Divide             7980   10.1     7.6    133    15.5    10.3    150 
 Two Ocean Plateau        9240   23.1    15.0    154    23.6    14.8    159 
 White Mill               8700   14.6    12.0    122    17.7    13.1    135 
 Wolverine                7650    9.9     5.6    177      -M     7.1       *
                                                -----                  -----
                Basin Index (%)                  129                    146 
 

WIND RIVER

 Burroughs Creek          8750   11.9      -M       *   14.3      -M       *
 Castle Creek             8400    6.7      -M       *    8.7      -M       *
 Cold Springs             9630    5.9     3.7    159     8.1     5.5    147 
 Deer Park                9700     -M     7.1       *   20.7    10.7    193 
 Hobbs Park              10100   11.7     7.2    162    11.6     6.8    171 
 Kirwin                   9550    9.5     5.0    190    12.5     6.4    195 
 Little Warm              9370    6.5     5.3    123    11.5     7.0    164 
 Owl Creek                8975    3.4     2.8    121     5.1     3.1    165 
 South Pass               9040   16.4     7.3    225    15.9     9.5    167 
 St. Lawrence Alt         8620    3.2     3.4     94     7.2     4.7    153 
 Togwotee Pass            9580   17.5    12.6    139    21.3    13.5    158 
 Townsend Creek           8700    6.4     4.2    152     9.0     6.3    143 
                                                -----                  -----
                Basin Index (%)                  156                    167 
 

BIGHORN BASIN

 Bald Mtn.                9380   11.7     9.6    122    10.2     9.1    112 
 Bear Trap Meadow         8200    2.7     2.8     96     4.4     4.6     96 
 Bone Springs Div         9350    9.1     8.2    111     9.4     8.1    116 
 Grave Springs            8550    3.3     4.1     80     4.6     5.7     81 
 Kirwin                   9550    9.5     5.0    190    12.5     6.4    195 
 Marquette                8760    4.5      -M       *    7.9      -M       *
 Middle Powder            7760    4.1     5.7     72     4.9     6.5     75 
 Owl Creek                8975    3.4     2.8    121     5.1     3.1    165 
 Powder River Pass        9480    3.4     5.6     61     6.2     6.7     93 
 Shell Creek              9580    9.5     7.8    122     7.6     7.4    103 
 Timber Creek             7950    3.2     2.3    139     4.6     4.1    112 
                                                -----                  -----
                Basin Index (%)                  111                    113 
 

SHOSHONE RIVER

 Blackwater               9780   19.0    12.4    153      -M    11.4       *
 Evening Star             9200   17.9    13.5    133    23.9    15.2    157 
 Marquette                8760    4.5      -M       *    7.9      -M       *
 Sylvan Road              7120    9.2     6.2    148    19.1    10.4    184 
 Younts Peak              8350   12.2     7.9    154    16.4     9.0    182 
                                                -----                  -----
                Basin Index (%)                  146                    172 
 

POWDER RIVER

 Bear Trap Meadow         8200    2.7     2.8     96     4.4     4.6     96 
 Cloud Peak Reservoir     9860    6.8     6.9     99     8.6     6.9    125 
 Grave Springs            8550    3.3     4.1     80     4.6     5.7     81 
 Hansen Sawmill           8360    4.4     3.4    129     6.1     4.4    139 
 Middle Powder            7760    4.1     5.7     72     4.9     6.5     75 
 Powder River Pass        9480    3.4     5.6     61     6.2     6.7     93 
 Soldier Park             8720    6.9      -M       *    6.4      -M       *
                                                -----                  -----
                Basin Index (%)                   87                    100 
 

TONGUE RIVER

 Big Goose                7990    4.9     4.1    120     5.8     5.7    102 
 Bone Springs Div         9350    9.1     8.2    111     9.4     8.1    116 
 Burgess Junction         7880    5.1     5.3     96     6.3     6.5     97 
 Dome Lake                8880    6.2     5.8    107     7.5     7.3    103 
 Little Goose             8870    5.4      -M       *    7.4      -M       *
 Sucker Creek             8880    5.9     6.0     98     6.4     7.4     86 
 Tie Creek                6870    3.6     2.4    150     6.6     6.2    106 
                                                -----                  -----
                Basin Index (%)                  109                    102 
 

BELLE FOURCHE

 Cole Canyon              5910    3.1     2.5    124     4.0     5.0     80 
                                                -----                  -----
                Basin Index (%)                  124                     80 
 

CHEYENNE RIVER BASIN

 Blind Park               6890    3.5     3.9     90     4.7     6.6     71 
 North Rapid Creek        6130    3.7     3.5    106     4.0     5.6     71 
                                                -----                  -----
                Basin Index (%)                   97                     71 
 

UPPER N. PLATTE

 Arapaho Ridge           10960   17.4    10.9    160    18.2    12.5    146 
 Blackhall Mtn            9820   22.2      -M       *     -M      -M       *
 Columbine                9160   17.1    11.6    147    18.8    13.6    138 
 Divide Peak              8880   11.4     9.9    115    13.7    11.6    118 
 Joe Wright              10120   13.4    10.7    125    19.1    13.7    139 
 Laprele Creek            8375    6.4     4.6    139     6.0     6.5     92 
 Med Bow                 10500   23.8      -M       *   23.2      -M       *
 North French Creek      10130   15.0    13.4    112    16.7    14.1    118 
 Never Summer            10280     -M    10.3       *     -M      -M       *
 Old Battle              10000     -M    15.1       *   23.9    18.9    126 
 Rawah                    9020    9.2     5.2    177    11.2     8.3    135 
 Sage Creek Basin         7850    9.2     6.9    133     9.8     8.6    114 
 Sand Lake               10050   18.0    13.9    129    17.3    12.8    135 
 South Brush Creek        8440    6.2     5.8    107     7.6     8.1     94 
 Tower                   10500   25.8    21.2    122    28.8    21.4    135 
 Webber Springs           9250   18.0    11.5    157    21.5    14.3    150 
 Willow Creek Pass        9540   12.0     6.1    197    12.8     7.2    178 
 Zirkel                   9340     -M    14.5       *   22.9    16.3    140 
                                                -----                  -----
                Basin Index (%)                  136                    132 
 

SWEETWATER

 Deer Park                9700     -M     7.1       *   20.7    10.7    193 
 Larsen Creek             9000   11.6     5.8    200    15.0      -M       *
 South Pass               9040   16.4     7.3    225    15.9     9.5    167 
                                                -----                  -----
                Basin Index (%)                  214                    181 
 

LOWER N. PLATTE

 Casper Mtn.              7900    5.9     6.7     88     6.2     8.0     78 
 Laprele Creek            8375    6.4     4.6    139     6.0     6.5     92 
 Reno Hill                8400     -M     6.5       *     -M     7.8       *
 Windy Peak               7900    5.0     3.4    147     5.6     5.6    100 
                                                -----                  -----
                Basin Index (%)                  118                     89 
 

LARAMIE RIVER

 Brooklyn Lake           10240   14.8    10.1    147    13.7    10.6    129 
 Cinnabar Park            9574   12.1    11.3    107    14.9    13.8    108 
 Crow Creek               8330    4.0     4.9     82     5.6     5.9     95 
 Deadman Hill            10220   13.1     7.9    166    13.0     8.8    148 
 Rawah                    9020    9.2     5.2    177    11.2     8.3    135 
 Roach                    9700   11.0     8.2    134    13.1    10.1    130 
                                                -----                  -----
                Basin Index (%)                  135                    124 
 

S. PLATTE

 Black Mountain           8920    6.8      -M       *    8.1      -M       *
 Crow Creek               8330    4.0     4.9     82     5.6     5.9     95 
 Deadman Hill            10220   13.1     7.9    166    13.0     8.8    148 
                                                -----                  -----
                Basin Index (%)                  134                    127 
 

LITTLE SNAKE RIVER

 Battle Mountain          7440    7.7     5.1    151    10.0     8.2    122 
 Divide Peak              8880   11.4     9.9    115    13.7    11.6    118 
 Elk River                8700   13.8     8.6    160    13.7    10.6    129 
 Little Snake River       8915     -M    11.7       *   25.6    17.6    145 
 Old Battle              10000     -M    15.1       *   23.9    18.9    126 
 Sage Creek Basin         7850    9.2     6.9    133     9.8     8.6    114 
 Sandstone RS             8150   10.0     6.1    164     9.9    10.0     99 
 Whiskey Park             8950   16.9    11.8    143    19.8    14.4    138 
                                                -----                  -----
                Basin Index (%)                  143                    127 
 

UPPER GREEN RIVER

 Big Sandy Opening        9080   12.4     6.9    180    14.8     7.2    206 
 Blind Bull Sum           8650   21.3    11.6    184    16.1    10.8    149 
 East Rim Divide          7930   10.2     5.3    192    12.5     6.5    192 
 Elkhart Park G.S.        9400    9.1     6.1    149    14.5     7.3    199 
 Gros Ventre Summit       8750    9.4     7.2    131    13.7     7.0    196 
 Gunsight Pass            9820   10.0     7.1    141    14.0     7.6    184 
 Kendall R.S.             7740   11.9     6.1    195    16.2     7.8    208 
 Loomis Park              8240   14.1     7.3    193    19.4     9.5    204 
 New Fork Lake            8340    9.4     5.3    177     9.8     6.0    163 
 Pocket Creek             9360     -M      -M       *     -M      -M       *
 Snider Basin             8060   11.3     6.1    185    15.9     7.8    204 
 Spring Creek Divide      9000   19.2    11.2    171    22.4    13.0    172 
 Triple Peak              8500   20.8    10.6    196    23.1    13.3    174 
                                                -----                  -----
                Basin Index (%)                  175                    185 
 

LOWER GREEN RIVER

 Blacks Fork Jct          8870    7.7      -M       *    9.7      -M       *
 Buck Pasture             9700   11.5      -M       *   13.5      -M       *
 EF Blacks Fork GS        9360    8.7      -M       *    9.3      -M       *
 Hams Fork                7840   10.3     5.4    191    12.2     6.2    197 
 Hewinta                  9519    7.9     4.7    168    10.2     7.3    140 
 Hickerson Park           9145    5.5     3.1    177     5.8     5.4    107 
 Hole-in-Rock             9150    4.5     3.3    136     6.4     5.1    125 
 Indian Creek             9425   19.7    11.6    170      -M    11.8       *
 Kelley R.S.              8180   14.0     7.1    197    19.0     9.8    194 
 Spirit Lk               10235    8.3      -M       *   10.1      -M       *
 Steel Creek Park        10200   10.8     7.0    154    12.4     8.5    146 
                                                -----                  -----
                Basin Index (%)                  172                    156 
 

UPPER BEAR RIVER

 Bear River RS            8777    9.0      -M       *   10.4      -M       *
 Bug Lake                 7950   18.6     7.8    238    18.0    10.5    171 
 Burts Miller Ranch       8000    4.6      -M       *    5.2      -M       *
 Chalk Creek #1           8993   19.3    11.2    172      -M    13.3       *
 Hayden Fork              9212   13.9     6.7    207      -M    11.1       *
 Kelley R.S.              8180   14.0     7.1    197    19.0     9.8    194 
 Lily Lake                9156   10.1     6.1    166    11.8     9.1    130 
 Monte Cristo             8960   18.6    12.9    144      -M    13.8       *
 Salt River Summit        7760   11.1     5.8    191    16.6     8.9    187 
                                                -----                  -----
                Basin Index (%)                  183                    171*

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


 -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.