AFOS product CLIGEY
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CDUS45 KRIW 110735
CLIGEY


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
1233 AM MST WED DEC 11 2013


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

...THE GREYBULL WY CLIMATE SUMMARY FOR DECEMBER 10 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         22    339 PM  53    2003  30     -8       22       
  MINIMUM          3    256 AM -22    2009   7     -4       11       
  AVERAGE         13                        18     -5       17      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.09 2012   0.01  -0.01     0.09    
  MONTH TO DATE    0.01                      0.13  -0.12     0.09    
  SINCE DEC 1      0.01                      0.13  -0.12     0.09    
  SINCE JAN 1      4.86                      7.36  -2.50     2.31    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       52                        47      5       48       
  MONTH TO DATE  580                       451    129      331       
  SINCE DEC 1    580                       451    129      331       
  SINCE JUL 1   2388                      2308     80     1943       
                                                                     
 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    NW (300)      
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED     2.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT SNOW                                                         
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           900 PM                                     
 LOWEST     57           400 PM                                     
 AVERAGE    75                                                       

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

                                                                     
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   29        63      2004                    
 MINIMUM TEMPERATURE (F)    7       -17      2000                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 11 2013......SUNRISE   739 AM MST   SUNSET   432 PM MST   
DECEMBER 12 2013......SUNRISE   740 AM MST   SUNSET   433 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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