AFOS product CLIGEY
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CDUS45 KRIW 200742
CLIGEY


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
1231 AM MST FRI DEC 20 2013


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

...THE GREYBULL WY CLIMATE SUMMARY FOR DECEMBER 19 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         29    321 AM  46    2004  28      1       26       
  MINIMUM          2   1154 PM -12    2005   5     -3       -3       
  AVERAGE         16                        17     -1       12      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.06 1999   0.01  -0.01     0.00    
  MONTH TO DATE    0.01                      0.20  -0.19     0.09    
  SINCE DEC 1      0.01                      0.20  -0.19     0.09    
  SINCE JAN 1      4.86                      7.43  -2.57     2.31    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       49                        48      1       53       
  MONTH TO DATE  979                       880     99      714       
  SINCE DEC 1    979                       880     99      714       
  SINCE JUL 1   2787                      2737     50     2326       
                                                                     
 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    35   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    41   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED    12.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           100 AM                                     
 LOWEST     43          1000 PM                                     
 AVERAGE    68                                                       

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

                                                                     
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   28        43      2003                    
 MINIMUM TEMPERATURE (F)    5       -16      2008                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 20 2013......SUNRISE   745 AM MST   SUNSET   435 PM MST   
DECEMBER 21 2013......SUNRISE   746 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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