AFOS product CLIGEY
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CDUS45 KRIW 190756
CLIGEY


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
1241 AM MST THU DEC 19 2013


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

...THE GREYBULL WY CLIMATE SUMMARY FOR DECEMBER 18 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         39    209 PM  48    1999  28     11       33       
  MINIMUM         17    704 AM -10    2008   6     11        9       
                                      2005                          
  AVERAGE         28                        17     11       21      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          T    2010   0.01  -0.01     0.00    
                                      1999                          
  MONTH TO DATE    0.01                      0.19  -0.18     0.09    
  SINCE DEC 1      0.01                      0.19  -0.18     0.09    
  SINCE JAN 1      4.86                      7.42  -2.56     2.31    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       37                        48    -11       44       
  MONTH TO DATE  930                       832     98      661       
  SINCE DEC 1    930                       832     98      661       
  SINCE JUL 1   2738                      2689     49     2273       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   1005                       669    336      977       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     N (340)      
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION    SE (130)      
  AVERAGE WIND SPEED     3.9                                         

                                                                     
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    92           200 AM                                     
 LOWEST     59           100 PM                                     
 AVERAGE    76                                                       

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

                                                                     
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   28        46      2004                    
 MINIMUM TEMPERATURE (F)    5       -12      2005                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 19 2013......SUNRISE   745 AM MST   SUNSET   434 PM MST   
DECEMBER 20 2013......SUNRISE   745 AM MST   SUNSET   435 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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