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CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
1236 AM MST THU JAN 11 2018


................................... 

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR JANUARY 10 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         31R   530 AM  31    2015  24      7       26       
  MINIMUM          4   1002 PM -14    2011   1      3       15       
  AVERAGE         18                        13      5       21      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.38R         0.30 2007   0.08   0.30     0.26    
  MONTH TO DATE    0.66                      0.82  -0.16     1.46    
  SINCE DEC 1      2.91                      2.32   0.59     4.56    
  SINCE JAN 1      0.66                      0.82  -0.16     1.46    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       47                        52     -5       44       
  MONTH TO DATE  479                       520    -41      614       
  SINCE DEC 1   2073                      2110    -37     2373       
  SINCE JUL 1   5442                      5430     12     5517       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED     4.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     73           400 PM                                     
 AVERAGE    87                                                       

..........................................................

                                                                     
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   24        34      1999                    
 MINIMUM TEMPERATURE (F)    1       -27      2007                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 11 2018.......SUNRISE   757 AM MST   SUNSET   503 PM MST   
JANUARY 12 2018.......SUNRISE   756 AM MST   SUNSET   504 PM MST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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