AFOS product CLIIAD
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download
000 
CDUS41 KLWX 240538
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
137 AM EDT TUE APR 24 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 23 2007...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2007


 WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         86    218 PM  88    2001  68     18       71       
  MINIMUM         54    407 AM  30    1989  42     12       50       
  AVERAGE         70                        55     15       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.67 1963   0.11  -0.11     0.11    
  MONTH TO DATE    3.11                      2.42   0.69     4.80    
  SINCE MAR 1      6.04                      5.97   0.07     4.87    
  SINCE JAN 1     10.69                     11.79  -1.10     9.65    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.0    0.0              
  MONTH TO DATE    0.2                       0.4   -0.2              
  SINCE AUG 1     14.7                      21.2   -6.5              
  SINCE JUL 1     14.7                      21.2   -6.5              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                        10    -10        4       
  MONTH TO DATE  372                       300     72      164       
  SINCE MAR 1    952                       970    -18      753       
  SINCE JUL 1   4328                      4730   -402     3981       
                                                                     
 COOLING                                                             
  YESTERDAY        5                         1      4        0       
  MONTH TO DATE    5                         4      1        9       
  SINCE MAR 1     13                         8      5       12       
  SINCE JAN 1     13                         8      5       12       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     S (180)      
  AVERAGE WIND SPEED     9.8                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    59           500 AM                                     
 LOWEST     19           400 PM                                     
 AVERAGE    39                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   69        85      1994                    
                                             1990                    
 MINIMUM TEMPERATURE (F)   43        30      1989                    

                                                                      
SUNRISE AND SUNSET                                                   
APRIL 24 2007.........SUNRISE   621 AM EDT   SUNSET   755 PM EDT   
APRIL 25 2007.........SUNRISE   620 AM EDT   SUNSET   756 PM EDT   

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

 


 $$