AFOS product CLIIAD
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
630 
CDUS41 KLWX 212129
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
529 PM EDT SAT OCT 21 2023

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 21 2023...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2023


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         67  12:11 PM  86    1979  66      1       67        
  MINIMUM         52   6:51 AM  22    1972  43      9       32        
  AVERAGE         60                        55      5       50     

PRECIPITATION (IN)                                                    
  TODAY            0.00          2.45 1995   0.12  -0.12     0.00     
  MONTH TO DATE    0.53                      2.52  -1.99     2.03     
  SINCE SEP 1      7.18                      6.46   0.72     5.31     
  SINCE JAN 1     26.40                     35.68  -9.28    32.81     

SNOWFALL (IN)                                                              
  TODAY            0.0          MM      MM   0.0    0.0      0.0      
  MONTH TO DATE    0.0                       0.0    0.0      0.0      
  SINCE SEP 1      T                         0.0    0.0      0.0      
  SINCE JUL 1      T                         0.0    0.0      0.0      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY            5                        11     -6       15        
  MONTH TO DATE  126                       158    -32      206        
  SINCE SEP 1    142                       203    -61      245        
  SINCE JUL 1    142                       204    -62      245        

 COOLING                                                              
  TODAY            0                         0      0        0        
  MONTH TO DATE   32                        19     13        0        
  SINCE SEP 1    248                       171     77      176        
  SINCE JAN 1   1363                      1227    136     1354        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     W (290)       
  HIGHEST GUST SPEED    42   HIGHEST GUST DIRECTION    NW (300)       
  AVERAGE WIND SPEED    13.9                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.7                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86          12:00 AM                                      
 LOWEST     45           2:00 PM                                      
 AVERAGE    66                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   66        85      1979                      
 MINIMUM TEMPERATURE (F)   43        26      1974                      


SUNRISE AND SUNSET                                                    
OCTOBER 21 2023.......SUNRISE   7:25 AM EDT   SUNSET   6:23 PM EDT     
OCTOBER 22 2023.......SUNRISE   7:26 AM EDT   SUNSET   6:22 PM EDT     


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




$$