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

At 9:08a, 5/24/18
Temperature 59.5°F
Wind 1.0 mph


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 MONDAY: JANUARY 30 , 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    10.7    145    23.4    13.8    170 
 Black Bear               8170   22.5    23.2     97    31.6    24.6    128 
 Blind Bull Sum           8650   22.5    13.6    165    16.0    12.6    127 
 Cottonwood Creek         7670   16.4    12.5    131    22.6    15.6    145 
 East Rim Divide          7930   11.0     6.7    164    13.2     7.6    174 
 Grand Targhee            9260   28.6    23.4    122    26.4    20.5    129 
 Granite Creek            6770   15.8    10.2    155    20.9    13.4    156 
 Grassy Lake              7265   23.5    19.8    119    34.7    23.6    147 
 Gros Ventre Summit       8750    9.6     8.2    117    13.9     8.1    172 
 Gunsight Pass            9820   10.4     8.1    128    14.3     8.7    164 
 Lewis Lake Divide        7850   20.0    19.6    102    31.7    22.8    139 
 Phillips Bench           8200   18.7    15.9    118    28.4    18.0    158 
 Salt River Summit        7760   12.4     7.6    163    17.5    10.5    167 
 Snake River Station      6920   14.1    10.5    134    23.3    15.2    153 
 Spring Creek Divide      9000   20.6    14.0    147    23.2    15.2    153 
 Thumb Divide             7980   10.4     9.5    109    15.9    12.0    132 
 Togwotee Pass            9580   18.3    14.8    124    22.1    15.6    142 
 Two Ocean Plateau        9240   23.5    17.1    137    23.9    17.1    140 
 Willow Creek             8380   20.1    16.9    119    31.1    21.3    146 
 Younts Peak              8350   12.6     9.4    134    16.9    10.3    164 
                                                -----                  -----
                Basin Index (%)                  128                    147 
 

MADISON-GALLATIN

 Black Bear               8170   22.5    23.2     97    31.6    24.6    128 
 Canyon                   7870    9.3     8.0    116    15.7    10.5    150 
 Madison Plateau          7750   13.7    14.0     98    22.8    17.2    133 
 West Yellowstone         6700    7.6     7.0    109    15.1     9.5    159 
 Whiskey Creek            6800    8.8     9.5     93    16.7    13.1    127 
                                                -----                  -----
                Basin Index (%)                  100                    136 
 

YELLOWSTONE

 Beartooth Lake           9360   15.5    13.6    114    11.9    12.7     94 
 Burnt Mtn                5880    4.5     2.4    188     8.6     7.8    110 
 Canyon                   7870    9.3     8.0    116    15.7    10.5    150 
 Cole Creek               7850    6.2     8.2     76     5.3     7.5     71 
 Evening Star             9200   18.8    16.0    118    25.2    17.7    142 
 Fisher Creek             9100   18.3    20.3     90    23.5    20.5    115 
 Northeast Entrance       7350    6.6     6.3    105    11.8     8.1    146 
 Parker Peak              9400   16.3    12.8    127    19.1    11.2    171 
 Sylvan Lake              8420   12.9    12.8    101    23.4    14.6    160 
 Thumb Divide             7980   10.4     9.5    109    15.9    12.0    132 
 Two Ocean Plateau        9240   23.5    17.1    137    23.9    17.1    140 
 White Mill               8700   15.1    14.3    106    18.2    15.2    120 
 Wolverine                7650     -M     6.9       *     -M     8.1       *
                                                -----                  -----
                Basin Index (%)                  111                    131 
 

WIND RIVER

 Burroughs Creek          8750   12.3      -M       *   15.1      -M       *
 Castle Creek             8400    6.8      -M       *    8.8      -M       *
 Cold Springs             9630    6.4     4.4    145     8.9     6.1    146 
 Deer Park                9700   18.1     9.1    199    21.4    12.1    177 
 Hobbs Park              10100   12.5     7.9    158    12.6     7.7    164 
 Kirwin                   9550   10.0     5.7    175    13.0     7.2    181 
 Little Warm              9370    6.8     6.2    110    12.0     8.0    150 
 Owl Creek                8975    4.1     3.1    132     5.6     3.5    160 
 South Pass               9040   17.1     8.5    201    16.5    10.8    153 
 St. Lawrence Alt         8620    3.8     4.1     93     7.7     5.3    145 
 Togwotee Pass            9580   18.3    14.8    124    22.1    15.6    142 
 Townsend Creek           8700    7.0     5.1    137    10.0     7.0    143 
                                                -----                  -----
                Basin Index (%)                  151                    156 
 

BIGHORN BASIN

 Bald Mtn.                9380   12.3    10.7    115    11.0    10.6    104 
 Bear Trap Meadow         8200    3.4     3.4    100     4.8     5.1     94 
 Bone Springs Div         9350    9.5     9.7     98    10.0     9.5    105 
 Grave Springs            8550    3.8     4.9     78     4.8     6.3     76 
 Kirwin                   9550   10.0     5.7    175    13.0     7.2    181 
 Marquette                8760    5.0      -M       *    8.4      -M       *
 Middle Powder            7760    4.7     6.2     76     5.2     7.3     71 
 Owl Creek                8975    4.1     3.1    132     5.6     3.5    160 
 Powder River Pass        9480    3.8     6.3     60     6.8     7.8     87 
 Shell Creek              9580   10.0     9.0    111     8.2     8.8     93 
 Timber Creek             7950    3.7     2.9    128     5.0     4.5    111 
                                                -----                  -----
                Basin Index (%)                  105                    105 
 

SHOSHONE RIVER

 Blackwater               9780   19.5    14.6    134    23.3    13.1    178 
 Evening Star             9200   18.8    16.0    118    25.2    17.7    142 
 Marquette                8760    5.0      -M       *    8.4      -M       *
 Sylvan Road              7120    9.4     7.7    122    19.6    11.7    168 
 Younts Peak              8350   12.6     9.4    134    16.9    10.3    164 
                                                -----                  -----
                Basin Index (%)                  126                    161 
 

POWDER RIVER

 Bear Trap Meadow         8200    3.4     3.4    100     4.8     5.1     94 
 Cloud Peak Reservoir     9860    7.5     8.2     91     9.3     7.8    119 
 Grave Springs            8550    3.8     4.9     78     4.8     6.3     76 
 Hansen Sawmill           8360    4.9     4.0    122     6.7     5.0    134 
 Middle Powder            7760    4.7     6.2     76     5.2     7.3     71 
 Powder River Pass        9480    3.8     6.3     60     6.8     7.8     87 
 Soldier Park             8720    7.5      -M       *    6.9      -M       *
                                                -----                  -----
                Basin Index (%)                   85                     96 
 

TONGUE RIVER

 Big Goose                7990    5.4     4.8    112     6.3     6.5     97 
 Bone Springs Div         9350    9.5     9.7     98    10.0     9.5    105 
 Burgess Junction         7880    5.5     6.5     85     6.9     7.4     93 
 Dome Lake                8880    6.5     6.7     97     8.0     8.3     96 
 Little Goose             8870    5.8      -M       *    8.0      -M       *
 Sucker Creek             8880    6.5     7.0     93     7.0     8.6     81 
 Tie Creek                6870    3.9     3.3    118     7.0     7.0    100 
                                                -----                  -----
                Basin Index (%)                   98                     96 
 

BELLE FOURCHE

 Cole Canyon              5910    3.5     3.2    109     4.3     5.6     77 
                                                -----                  -----
                Basin Index (%)                  109                     77 
 

CHEYENNE RIVER BASIN

 Blind Park               6890    4.2     4.5     93     5.2     7.6     68 
 North Rapid Creek        6130    4.5     4.2    107     4.7     6.2     76 
                                                -----                  -----
                Basin Index (%)                  100                     72 
 

UPPER N. PLATTE

 Arapaho Ridge           10960   18.7    13.0    144    19.5    13.9    140 
 Blackhall Mtn            9820   25.3      -M       *   26.7      -M       *
 Columbine                9160   19.1    14.4    133    20.8    16.1    129 
 Divide Peak              8880   13.4    12.1    111    16.0    13.4    119 
 Joe Wright              10120   14.8    12.8    116    20.7    15.8    131 
 Laprele Creek            8375    7.1     5.4    131     6.9     7.4     93 
 Med Bow                 10500   26.3      -M       *   25.0      -M       *
 North French Creek      10130   16.7    15.8    106    18.3    16.7    110 
 Never Summer            10280     -M    12.2       *     -M      -M       *
 Old Battle              10000   25.1    18.9    133    26.5    22.1    120 
 Rawah                    9020   10.0     6.1    164    12.6     9.0    140 
 Sage Creek Basin         7850   11.2     8.2    137    11.7     9.6    122 
 Sand Lake               10050   19.4    16.2    120    18.7    14.9    126 
 South Brush Creek        8440    7.1     7.2     99     8.3     9.4     88 
 Tower                   10500   30.4    27.0    113    32.2    25.1    128 
 Webber Springs           9250   19.8    13.4    148    23.6    16.8    140 
 Willow Creek Pass        9540   13.1     7.4    177    13.9     8.2    170 
 Zirkel                   9340   27.6    18.1    152    32.7    18.5    177 
                                                -----                  -----
                Basin Index (%)                  129                    130 
 

SWEETWATER

 Deer Park                9700   18.1     9.1    199    21.4    12.1    177 
 Larsen Creek             9000   12.2     7.1    172    15.6      -M       *
 South Pass               9040   17.1     8.5    201    16.5    10.8    153 
                                                -----                  -----
                Basin Index (%)                  192                    166 
 

LOWER N. PLATTE

 Casper Mtn.              7900    6.7     7.4     91     6.9     9.0     77 
 Laprele Creek            8375    7.1     5.4    131     6.9     7.4     93 
 Reno Hill                8400     -M     7.6       *     -M     8.8       *
 Windy Peak               7900    5.8     4.1    141     6.5     6.3    103 
                                                -----                  -----
                Basin Index (%)                  116                     89 
 

LARAMIE RIVER

 Brooklyn Lake           10240   16.3    11.9    137    15.0    12.7    118 
 Cinnabar Park            9574   13.2    13.0    102    15.9    15.7    101 
 Crow Creek               8330    4.2     5.7     74     6.0     6.4     94 
 Deadman Hill            10220   14.2     9.8    145    14.1    10.1    140 
 Rawah                    9020   10.0     6.1    164    12.6     9.0    140 
 Roach                    9700   12.4     9.8    127    14.7    11.7    126 
                                                -----                  -----
                Basin Index (%)                  125                    119 
 

S. PLATTE

 Black Mountain           8920    7.2      -M       *    8.5      -M       *
 Crow Creek               8330    4.2     5.7     74     6.0     6.4     94 
 Deadman Hill            10220   14.2     9.8    145    14.1    10.1    140 
                                                -----                  -----
                Basin Index (%)                  119                    122 
 

LITTLE SNAKE RIVER

 Battle Mountain          7440    8.8     6.9    128     7.6     9.5     80 
 Divide Peak              8880   13.4    12.1    111    16.0    13.4    119 
 Elk River                8700   15.8    10.9    145    15.8    12.5    126 
 Little Snake River       8915   22.7    15.2    149    28.3    20.3    139 
 Old Battle              10000   25.1    18.9    133    26.5    22.1    120 
 Sage Creek Basin         7850   11.2     8.2    137    11.7     9.6    122 
 Sandstone RS             8150   10.7     7.9    135    11.7    11.8     99 
 Whiskey Park             8950   19.6    15.6    126    22.1    17.6    126 
                                                -----                  -----
                Basin Index (%)                  133                    120 
 

UPPER GREEN RIVER

 Big Sandy Opening        9080   13.4     8.0    168    15.8     8.3    190 
 Blind Bull Sum           8650   22.5    13.6    165    16.0    12.6    127 
 East Rim Divide          7930   11.0     6.7    164    13.2     7.6    174 
 Elkhart Park G.S.        9400   10.1     7.4    136    15.4     8.4    183 
 Gros Ventre Summit       8750    9.6     8.2    117    13.9     8.1    172 
 Gunsight Pass            9820   10.4     8.1    128    14.3     8.7    164 
 Kendall R.S.             7740   12.4     7.8    159    16.8     9.1    185 
 Loomis Park              8240   15.2     9.4    162    20.2    11.1    182 
 New Fork Lake            8340   10.1     6.7    151    10.5     6.9    152 
 Pocket Creek             9360     -M      -M       *     -M      -M       *
 Snider Basin             8060   12.3     7.4    166    17.1     9.1    188 
 Spring Creek Divide      9000   20.6    14.0    147    23.2    15.2    153 
 Triple Peak              8500   22.2    12.9    172    23.4    15.7    149 
                                                -----                  -----
                Basin Index (%)                  154                    165 
 

LOWER GREEN RIVER

 Blacks Fork Jct          8870    8.3      -M       *   10.5      -M       *
 Buck Pasture             9700   13.8      -M       *   16.4      -M       *
 EF Blacks Fork GS        9360    9.2      -M       *    9.5      -M       *
 Hams Fork                7840   11.3     7.0    161    13.4     7.2    186 
 Hewinta                  9519    8.8     5.5    160    11.0     8.5    129 
 Hickerson Park           9145    6.1     3.7    165     6.3     6.0    105 
 Hole-in-Rock             9150    5.1     3.9    131     6.9     5.7    121 
 Indian Creek             9425   21.6    14.3    151      -M    13.8       *
 Kelley R.S.              8180   15.3     8.9    172    20.5    11.4    180 
 Spirit Lk               10235    9.8      -M       *   11.4      -M       *
 Steel Creek Park        10200   11.9     8.5    140    13.5     9.8    138 
                                                -----                  -----
                Basin Index (%)                  155                    147 
 

UPPER BEAR RIVER

 Bear River RS            8777    9.8      -M       *   11.8      -M       *
 Bug Lake                 7950     -M    10.3       *     -M    12.2       *
 Burts Miller Ranch       8000    5.6      -M       *    6.0      -M       *
 Chalk Creek #1           8993   21.9    13.3    165      -M    15.5       *
 Hayden Fork              9212   15.7     8.5    185      -M    12.9       *
 Kelley R.S.              8180   15.3     8.9    172    20.5    11.4    180 
 Lily Lake                9156   10.8     7.3    148    13.1    10.5    125 
 Monte Cristo             8960   22.0    15.7    140    19.9    16.1    124 
 Salt River Summit        7760   12.4     7.6    163    17.5    10.5    167 
                                                -----                  -----
                Basin Index (%)                  160                    146*

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


 -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.