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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 11:08p, 11/13/18
Temperature 27.0°F
Wind 1.0 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 SATURDAY: APRIL 8 , 2017
------------------------------------------------------------------------------
BASIN                    ELEV.  SNOW WATER EQUIVALENT    TOTAL PRECIPITATION
 Data Site Name          (Ft)                      %                      %  
                                Current  Median  Median  Current  Average  Avg
------------------------------------------------------------------------------

WYOMING
 

SNAKE RIVER  

 Base Camp                7030   24.1    15.2    159    39.3    20.7    190 
 Black Bear               8170   45.8    37.1    123    53.3    37.9    141 
 Blind Bull Sum           8650   43.1    23.3    185      -M    19.3       *
 Cottonwood Creek         7670   27.4    20.9    131    37.8    24.4    155 
 East Rim Divide          7930   15.5    10.2    152    20.9    11.7    179 
 Grand Targhee            9260   45.5    38.7    118    39.4    30.7    128 
 Granite Creek            6770   26.0    14.3    182    35.8    19.5    184 
 Grassy Lake              7265   37.5    31.4    119    54.6    35.6    153 
 Gros Ventre Summit       8750     -M    12.9       *     -M    12.8       *
 Gunsight Pass            9820   23.1    13.9    166    25.0    13.8    181 
 Lewis Lake Divide        7850   45.9    30.0    153    54.8    35.1    156 
 Phillips Bench           8200   37.8    25.5    148    46.2    27.9    166 
 Salt River Summit        7760   19.5    12.7    154    28.8    16.5    175 
 Snake River Station      6920   18.4    14.8    124    35.7    22.2    161 
 Spring Creek Divide      9000   40.7    22.5    181    40.1    23.6    170 
 Thumb Divide             7980   22.5    14.7    153    27.9    18.4    152 
 Togwotee Pass            9580   33.5    22.2    151    38.5    24.1    160 
 Two Ocean Plateau        9240     -M    26.2       *     -M    26.9       *
 Willow Creek             8380   28.5    28.4    100    48.9    33.3    147 
 Younts Peak              8350   25.6    14.4    178    31.2    15.6    200 
                                                -----                  -----
                Basin Index (%)                  144                    160 
 

MADISON-GALLATIN

 Black Bear               8170   45.8    37.1    123    53.3    37.9    141 
 Canyon                   7870   17.4    12.4    140    25.6    16.1    159 
 Madison Plateau          7750   27.2    21.6    126    35.9    26.1    138 
 West Yellowstone         6700    6.2     9.3     67    23.2    14.1    165 
 Whiskey Creek            6800   13.5    14.8     91    26.6    20.0    133 
                                                -----                  -----
                Basin Index (%)                  116                    144 
 

YELLOWSTONE

 Beartooth Lake           9360   32.6    21.4    152    27.7    19.5    142 
 Burnt Mtn                5880     .1     4.3      2    14.7    12.9    114 
 Canyon                   7870   17.4    12.4    140    25.6    16.1    159 
 Cole Creek               7850   11.8    14.8     80     9.0    12.9     70 
 Evening Star             9200   38.2    23.8    161    44.5    27.1    164 
 Fisher Creek             9100   42.8    31.3    137    46.4    31.3    148 
 Northeast Entrance       7350    7.7     8.9     87    20.4    12.1    169 
 Parker Peak              9400   35.1    19.6    179    34.3    17.5    196 
 Sylvan Lake              8420   24.0    19.4    124    37.3    22.0    170 
 Thumb Divide             7980   22.5    14.7    153    27.9    18.4    152 
 Two Ocean Plateau        9240     -M    26.2       *     -M    26.9       *
 White Mill               8700   36.0    22.3    161    35.6    23.4    152 
 Wolverine                7650    6.1     9.6     64    21.0    12.1    174 
                                                -----                  -----
                Basin Index (%)                  135                    153 
 

WIND RIVER

 Burroughs Creek          8750   23.3      -M       *   27.6      -M       *
 Castle Creek             8400   11.0      -M       *   15.8      -M       *
 Cold Springs             9630   17.6     6.6    267    20.0     9.9    202 
 Deer Park                9700   32.9    15.8    208    37.9    19.9    190 
 Hobbs Park              10100   29.9    14.2    211    28.2    13.5    209 
 Kirwin                   9550   22.8     9.6    238    25.4    11.5    221 
 Little Warm              9370     -M    10.3       *   24.6    12.8    192 
 Owl Creek                8975   10.1     5.8    174    12.6     6.0    210 
 South Pass               9040   31.7    15.3    207    28.6    17.3    165 
 St. Lawrence Alt         8620   10.6     6.9    154    17.4     9.0    193 
 Togwotee Pass            9580   33.5    22.2    151    38.5    24.1    160 
 Townsend Creek           8700   18.7     9.7    193    23.0    12.0    192 
                                                -----                  -----
                Basin Index (%)                  196                    188 
 

BIGHORN BASIN

 Bald Mtn.                9380   19.4    19.2    101    17.0    16.8    101 
 Bear Trap Meadow         8200    4.8     4.9     98     8.7     8.6    101 
 Bone Springs Div         9350   20.0    16.9    118    18.0    15.5    116 
 Grave Springs            8550    6.9     9.5     73     7.9    10.7     74 
 Kirwin                   9550   22.8     9.6    238    25.4    11.5    221 
 Marquette                8760   14.3      -M       *   17.7      -M       *
 Middle Powder            7760    7.3    12.1     60     7.7    11.7     66 
 Owl Creek                8975   10.1     5.8    174    12.6     6.0    210 
 Powder River Pass        9480    9.1    10.2     89    13.5    12.6    107 
 Shell Creek              9580   17.4    15.2    114    14.7    13.7    107 
 Timber Creek             7950    8.2     5.0    164    11.7     7.3    160 
                                                -----                  -----
                Basin Index (%)                  116                    120 
 

SHOSHONE RIVER

 Blackwater               9780   38.1    22.7    168    42.1    20.3    207 
 Evening Star             9200   38.2    23.8    161    44.5    27.1    164 
 Marquette                8760   14.3      -M       *   17.7      -M       *
 Sylvan Road              7120    6.7    10.7     63    30.5    16.5    185 
 Younts Peak              8350   25.6    14.4    178    31.2    15.6    200 
                                                -----                  -----
                Basin Index (%)                  152                    187 
 

POWDER RIVER

 Bear Trap Meadow         8200    4.8     4.9     98     8.7     8.6    101 
 Cloud Peak Reservoir     9860   16.3    14.9    109    18.3    13.4    137 
 Grave Springs            8550    6.9     9.5     73     7.9    10.7     74 
 Hansen Sawmill           8360   11.2     6.1    184    14.2     8.6    165 
 Middle Powder            7760    7.3    12.1     60     7.7    11.7     66 
 Powder River Pass        9480    9.1    10.2     89    13.5    12.6    107 
 Soldier Park             8720   14.9      -M       *   14.2      -M       *
                                                -----                  -----
                Basin Index (%)                   96                    107 
 

TONGUE RIVER

 Big Goose                7990   11.9     9.7    123    14.2    11.5    123 
 Bone Springs Div         9350   20.0    16.9    118    18.0    15.5    116 
 Burgess Junction         7880   10.6    12.0     88    12.1    12.3     98 
 Dome Lake                8880   16.5    11.8    140    16.8    13.6    124 
 Little Goose             8870   13.8      -M       *   17.3      -M       *
 Sucker Creek             8880   13.4    12.3    109    14.1    14.4     98 
 Tie Creek                6870    3.7     5.6     66    13.8    11.7    118 
                                                -----                  -----
                Basin Index (%)                  111                    113 
 

BELLE FOURCHE

 Cole Canyon              5910     .0     4.9      0     7.5     9.6     78 
                                                -----                  -----
                Basin Index (%)                    0                     78 
 

CHEYENNE RIVER BASIN

 Blind Park               6890     .0     6.9      0     9.1    11.9     76 
 North Rapid Creek        6130     .0     6.4      0     7.7    10.0     77 
                                                -----                  -----
                Basin Index (%)                    0                     77 
 

UPPER N. PLATTE

 Arapaho Ridge           10960   25.0    21.0    119    26.0    22.6    115 
 Blackhall Mtn            9820   35.8      -M       *   37.4      -M       *
 Columbine                9160   17.9    23.4     76    27.4    25.5    107 
 Divide Peak              8880   15.8    20.0     79    22.6    21.4    106 
 Joe Wright              10120   18.6    21.4     87    28.6    25.8    111 
 Laprele Creek            8375   10.4     9.4    111    12.6    12.5    101 
 Med Bow                 10500   38.4      -M       *   34.8      -M       *
 North French Creek      10130   24.4    29.7     82    27.1    26.7    101 
 Never Summer            10280     -M    20.4       *   19.3      -M       *
 Old Battle              10000   35.8    31.5    114    38.0    34.9    109 
 Rawah                    9020    8.9    10.6     84    17.0    14.4    118 
 Sage Creek Basin         7850    5.3    11.6     46    16.4    14.6    112 
 Sand Lake               10050   30.6    29.1    105    27.4    24.8    110 
 South Brush Creek        8440    3.3    11.8     28    12.8    15.2     84 
 Tower                   10500   39.0    46.0     85    43.3    39.8    109 
 Webber Springs           9250   25.8    23.1    112    33.1    26.7    124 
 Willow Creek Pass        9540   18.0    12.2    148    18.6    13.4    139 
 Zirkel                   9340   32.0    26.2    122    41.7    28.5    146 
                                                -----                  -----
                Basin Index (%)                   95                    113 
 

SWEETWATER

 Deer Park                9700   32.9    15.8    208    37.9    19.9    190 
 Larsen Creek             9000   16.6    11.5    144    23.3      -M       *
 South Pass               9040   31.7    15.3    207    28.6    17.3    165 
                                                -----                  -----
                Basin Index (%)                  191                    179 
 

LOWER N. PLATTE

 Casper Mtn.              7900   11.4    14.4     79    13.0    15.1     86 
 Laprele Creek            8375   10.4     9.4    111    12.6    12.5    101 
 Reno Hill                8400   12.5    14.0     89    14.4    15.6     92 
 Windy Peak               7900    8.4     7.7    109    11.9    10.6    112 
                                                -----                  -----
                Basin Index (%)                   94                     96 
 

LARAMIE RIVER

 Brooklyn Lake           10240   22.8    22.0    104    23.1    21.1    109 
 Cinnabar Park            9574   17.2    21.3     81    22.2    24.1     92 
 Crow Creek               8330     .0     6.9      0     9.3    10.9     85 
 Deadman Hill            10220   21.1    16.2    130    20.4    17.3    118 
 Rawah                    9020    8.9    10.6     84    17.0    14.4    118 
 Roach                    9700   16.5    16.6     99    21.1    19.1    110 
                                                -----                  -----
                Basin Index (%)                   92                    106 
 

S. PLATTE

 Black Mountain           8920   10.9      -M       *   13.1      -M       *
 Crow Creek               8330     .0     6.9      0     9.3    10.9     85 
 Deadman Hill            10220   21.1    16.2    130    20.4    17.3    118 
                                                -----                  -----
                Basin Index (%)                   91                    105 
 

LITTLE SNAKE RIVER

 Battle Mountain          7440     -M     9.3       *   16.7    15.0    111 
 Divide Peak              8880   15.8    20.0     79    22.6    21.4    106 
 Elk River                8700   11.9    19.1     62    20.2    20.0    101 
 Little Snake River       8915   26.2    25.5    103    38.4    29.9    128 
 Old Battle              10000   35.8    31.5    114    38.0    34.9    109 
 Sage Creek Basin         7850    5.3    11.6     46    16.4    14.6    112 
 Sandstone RS             8150    5.8    12.8     45    16.2    18.3     89 
 Whiskey Park             8950   25.5    27.5     93    29.7    27.9    106 
                                                -----                  -----
                Basin Index (%)                   85                    109 
 

UPPER GREEN RIVER

 Big Sandy Opening        9080   21.2    12.7    167    23.1    13.2    175 
 Blind Bull Sum           8650   43.1    23.3    185      -M    19.3       *
 East Rim Divide          7930   15.5    10.2    152    20.9    11.7    179 
 Elkhart Park G.S.        9400   19.3    12.3    157    24.1    13.2    183 
 Gros Ventre Summit       8750     -M    12.9       *     -M    12.8       *
 Gunsight Pass            9820   23.1    13.9    166    25.0    13.8    181 
 Kendall R.S.             7740   19.8    11.4    174    29.1    14.1    206 
 Loomis Park              8240   26.6    13.8    193    32.0    17.2    186 
 New Fork Lake            8340   15.4    10.3    150    17.8    10.7    166 
 Pocket Creek             9360     -M      -M       *     -M      -M       *
 Snider Basin             8060   18.1    12.3    147    27.1    14.1    192 
 Spring Creek Divide      9000   40.7    22.5    181    40.1    23.6    170 
 Triple Peak              8500   36.0    21.8    165    40.4    25.1    161 
                                                -----                  -----
                Basin Index (%)                  169                    178 
 

LOWER GREEN RIVER

 Blacks Fork Jct          8869    8.8      -M       *   16.0      -M       *
 Buck Pasture             9632   17.7      -M       *   23.6      -M       *
 EF Blacks Fork GS        9360   14.9      -M       *   17.0      -M       *
 Hams Fork                7840   13.8    10.5    131    21.4    11.3    189 
 Hewinta                  9500    8.8    10.9     81    17.4    14.0    124 
 Hickerson Park           9122    9.4     7.9    119    13.3    10.2    130 
 Hole-in-Rock             9168    7.5     7.0    107    13.8     9.7    142 
 Indian Creek             9425   40.1    24.7    162    40.8    22.4    182 
 Kelley R.S.              8180   24.9    14.6    171    30.0    18.0    167 
 Spirit Lk               10235   16.7      -M       *   18.9      -M       *
 Steel Creek Park        10158   19.1    15.8    121    21.1    16.5    128 
                                                -----                  -----
                Basin Index (%)                  135                    155 
 

UPPER BEAR RIVER

 Bear River RS            8777    8.5      -M       *   18.6      -M       *
 Bug Lake                 7987   32.7    18.5    177    33.8    19.3    175 
 Burts Miller Ranch       8000    1.9      -M       *   10.2      -M       *
 Chalk Creek #1           9171   33.5    24.4    137    36.0    25.1    143 
 Hayden Fork              9130   19.3    15.3    126    29.8    21.1    141 
 Kelley R.S.              8180   24.9    14.6    171    30.0    18.0    167 
 Lily Lake                9133   13.6    12.7    107    19.8    17.1    116 
 Monte Cristo             8932   35.9    27.8    129    38.9    25.9    150 
 Salt River Summit        7760   19.5    12.7    154    28.8    16.5    175 
                                                -----                  -----
                Basin Index (%)                  142                    152 

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


 -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.