AFOS product CLIIAD
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CDUS41 KLWX 120526
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
1226 AM EST SUN NOV 12 2023

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 11 2023...

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)                                                          
 YESTERDAY                                                           
  MAXIMUM         61   1:05 PM  78    2006  58      3       73        
  MINIMUM         31   5:49 AM  16    1973  37     -6       60        
  AVERAGE         46                        48     -2       67     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.21 2020   0.10  -0.10     0.82     
  MONTH TO DATE    0.26                      1.19  -0.93     1.13     
  SINCE SEP 1      7.58                      8.78  -1.20     6.65     
  SINCE JAN 1     26.80                     38.00 -11.20    34.15     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           5.3  1987   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                                                              
  YESTERDAY       19                        18      1        0        
  MONTH TO DATE  159                       176    -17       63        
  SINCE SEP 1    365                       505   -140      404        
  SINCE JUL 1    365                       506   -141      404        

 COOLING                                                              
  YESTERDAY        0                         0      0        2        
  MONTH TO DATE    0                         0      0       22        
  SINCE SEP 1    265                       174     91      198        
  SINCE JAN 1   1380                      1230    150     1376        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NW (320)       
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    NW (310)       
  AVERAGE WIND SPEED     2.3                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.4                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  FOG                                                                 
  FOG W/VISIBILITY <= 1/4 MILE                                        


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92          12:00 AM                                      
 LOWEST     39           4:00 PM                                      
 AVERAGE    66                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   58        74      1964                      
 MINIMUM TEMPERATURE (F)   36        22      1973                      
                                             1988                     


SUNRISE AND SUNSET                                                    
NOVEMBER 12 2023......SUNRISE   6:49 AM EST   SUNSET   4:58 PM EST     
NOVEMBER 13 2023......SUNRISE   6:50 AM EST   SUNSET   4:58 PM EST     


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




$$