AFOS product CLIGEY
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CDUS45 KRIW 120730
CLIGEY


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
1230 AM MST THU DEC 12 2013


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

...THE GREYBULL WY CLIMATE SUMMARY FOR DECEMBER 11 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         21    333 PM  63    2004  29     -8       25       
  MINIMUM         -4    728 AM -17    2000   7    -11        7       
  AVERAGE          9                        18     -9       16      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          T    2012   0.00   0.00      T      
                                      2003                          
                                      2002                          
  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       56                        47      9       49       
  MONTH TO DATE  636                       498    138      380       
  SINCE DEC 1    636                       498    138      380       
  SINCE JUL 1   2444                      2355     89     1992       
                                                                     
 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     E (110)      
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     E (100)      
  AVERAGE WIND SPEED     3.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    91          1200 AM                                     
 LOWEST     57           300 PM                                     
 AVERAGE    74                                                       

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

                                                                     
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   29        46      1998                    
 MINIMUM TEMPERATURE (F)    7       -15      2000                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 12 2013......SUNRISE   740 AM MST   SUNSET   433 PM MST   
DECEMBER 13 2013......SUNRISE   741 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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