AFOS product CLIGEY
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CLIGEY


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY                                 
146 AM MDT SUN MAY 19 2013


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

...THE GREYBULL WY CLIMATE SUMMARY FOR MAY 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         61    428 PM  92    2009  71    -10       63       
  MINIMUM         49    451 AM  38    2003  44      5       48       
                                      2000                          
  AVERAGE         55                        57     -2       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.22R         0.17 2012   0.07   0.15     0.17    
  MONTH TO DATE    0.40                      0.76  -0.36     0.21    
  SINCE MAR 1      0.87                      1.87  -1.00     0.75    
  SINCE JAN 1      1.29                      2.28  -0.99     1.07    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       10                         8      2        9       
  MONTH TO DATE  137                       196    -59      155       
  SINCE MAR 1   1673                      1624     49     1161       
  SINCE JUL 1   7547                      7595    -48     6469       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE   23                         3     20       11       
  SINCE MAR 1     23                         4     19       19       
  SINCE JAN 1     23                         4     19       19       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    10.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           200 AM                                     
 LOWEST     57           500 PM                                     
 AVERAGE    75                                                       

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

                                                                     
THE GREYBULL WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   71        94      2009                    
 MINIMUM TEMPERATURE (F)   44        31      2003                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 19 2013...........SUNRISE   540 AM MDT   SUNSET   838 PM MDT   
MAY 20 2013...........SUNRISE   539 AM MDT   SUNSET   839 PM MDT   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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