AFOS product CLIIAD
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download
000 
CDUS41 KLWX 110529
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC                  
128 AM EDT SUN JUL 11 2004

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

...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 10 2004...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2004

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         84   1232 PM  99    1993  87     -3       79       
  MINIMUM         63    500 AM  53    1963  64     -1       67       
  AVERAGE         74                        76     -2       73      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.63 1995   0.12  -0.12     1.41    
  MONTH TO DATE    1.88                      1.20   0.68     3.47    
  SINCE JUN 1      5.61                      5.27   0.34    11.80    
  SINCE JAN 1     19.11                     22.08  -2.97    35.89    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0          MM      MM   0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.0    0.0      0.0     
  SINCE JUN 1      0.0                       0.0    0.0      0.0     
  SINCE JUL 1      0.0                       0.0    0.0      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         1     -1        0       
  SINCE JUN 1     12                        22    -10       31       
  SINCE JUL 1      0                         1     -1        0       
                                                                     
 COOLING                                                             
  YESTERDAY        9                        11     -2        8       
  MONTH TO DATE  119                       103     16      122       
  SINCE JUN 1    316                       306     10      287       
  SINCE JAN 1    556                       381    175      317       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     W (250)      
  AVERAGE WIND SPEED     2.2                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1000 PM                                     
 LOWEST     51           100 PM                                     
 AVERAGE    72                                                       
..........................................................
                                                                     
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   87        98      1988                    
 MINIMUM TEMPERATURE (F)   64        52      1983                    
                                                                     
SUNRISE AND SUNSET                                                   
JULY 11 2004..........SUNRISE   554 AM EDT   SUNSET   836 PM EDT   
JULY 12 2004..........SUNRISE   555 AM EDT   SUNSET   836 PM EDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          


$$