AFOS product CLIIAD
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download
717 
CDUS41 KLWX 270521
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
1221 AM EST TUE DEC 27 2022

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 26 2022...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2022


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         33   2:55 PM  71    1964  44    -11       62        
  MINIMUM         12   5:35 AM  -1    1983  27    -15       42        
  AVERAGE         23                        36    -13       52     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.41 2012   0.09  -0.09     0.00     
  MONTH TO DATE    4.70                      2.83   1.87     0.19     
  SINCE DEC 1      4.70                      2.83   1.87     0.19     
  SINCE JAN 1     40.51                     42.77  -2.26    34.69     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           6.1  1969   0.1   -0.1      0.0      
  MONTH TO DATE    T                         2.2   -2.2      0.0      
  SINCE DEC 1      T                         2.2   -2.2      0.0      
  SINCE JUL 1      T                         2.5   -2.5       T       
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       42                        29     13       13        
  MONTH TO DATE  748                       696     52      534        
  SINCE DEC 1    748                       696     52      534        
  SINCE JUL 1   1582                      1596    -14     1260        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE DEC 1      0                         0      0        0        
  SINCE JAN 1   1376                      1231    145     1480        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    SW (220)       
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     S (160)       
  AVERAGE WIND SPEED     3.2                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.5                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80           4:00 AM                                      
 LOWEST     37           4:00 PM                                      
 AVERAGE    59                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   44        73      1971                      
 MINIMUM TEMPERATURE (F)   27         1      1989                      


SUNRISE AND SUNSET                                                    
DECEMBER 27 2022......SUNRISE   7:27 AM EST   SUNSET   4:55 PM EST     
DECEMBER 28 2022......SUNRISE   7:28 AM EST   SUNSET   4:55 PM EST     


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




$$