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170 
CDUS45 KRIW 060738
CLIGEY


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
1237 AM MST SAT JAN 6 2018


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

...THE GREYBULL WY CLIMATE SUMMARY FOR JANUARY 5 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         26    349 PM  48    2008  28     -2       -9       
  MINIMUM          7    802 AM -30    2017   4      3      -30       
  AVERAGE         17                        16      1      -19      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          T    2010   0.01  -0.01     0.00    
                                      2010                          
                                      2015                          
  MONTH TO DATE    T                         0.05  -0.05      T      
  SINCE DEC 1      0.22                      0.33  -0.11     0.03    
  SINCE JAN 1      T                         0.05  -0.05      T      
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       48                        49     -1       84       
  MONTH TO DATE  309                       245     64      356       
  SINCE DEC 1   1751                      1711     40     2005       
  SINCE JUL 1   3528                      3568    -40     3380       
                                                                     
 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    10   HIGHEST WIND DIRECTION    SW (240)      
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED     1.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           200 AM                                     
 LOWEST     68           100 PM                                     
 AVERAGE    80                                                       

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

                                                                     
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   28        46      2006                    
 MINIMUM TEMPERATURE (F)    4       -32      2004                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY  6 2018.......SUNRISE   748 AM MST   SUNSET   448 PM MST   
JANUARY  7 2018.......SUNRISE   748 AM MST   SUNSET   449 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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