AFOS product CLIIAD
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download
000 
CDUS41 KLWX 250520
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
119 AM EDT TUE SEP 25 2007


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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 24 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    344 PM  92    1970  76     10       83       
  MINIMUM         50    624 AM  30    1974  52     -2       64       
  AVERAGE         68                        64      4       74      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.17 2001   0.12  -0.12      T      
  MONTH TO DATE    0.81                      3.10  -2.29     6.42    
  SINCE SEP 1      0.81                      3.10  -2.29     6.42    
  SINCE JAN 1     18.45                     31.33 -12.88    33.41    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                       0.0    0.0              
  MONTH TO DATE    0.0                       0.0    0.0              
  SINCE JUL 1      0.0                       0.0    0.0              
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         3     -3        0       
  MONTH TO DATE   26                        33     -7       29       
  SINCE SEP 1     26                        33     -7       29       
  SINCE JUL 1     26                        38    -12       29       
                                                                     
 COOLING                                                             
  YESTERDAY        3                         3      0        9       
  MONTH TO DATE  177                       118     59       78       
  SINCE SEP 1    177                       118     59       78       
  SINCE JAN 1   1442                      1043    399     1239       
..................................................................


 WIND (MPH)                                                           
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SE (150)      
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    SE (150)      
  AVERAGE WIND SPEED     2.8                                         

                                                                      
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                      
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                      
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    83           700 AM                                     
 LOWEST     25           300 PM                                     
 AVERAGE    54                                                       

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

                                                                      
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   76        92      1970                    
 MINIMUM TEMPERATURE (F)   52        33      1983                    

                                                                      
SUNRISE AND SUNSET                                                   
SEPTEMBER 25 2007.....SUNRISE   700 AM EDT   SUNSET   702 PM EDT   
SEPTEMBER 26 2007.....SUNRISE   701 AM EDT   SUNSET   701 PM EDT   

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

 


 $$