AFOS product CLIIAD
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CDUS41 KLWX 130521
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
1221 AM EST MON NOV 13 2023

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 12 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         53   3:43 PM  74    1964  58     -5       73        
  MINIMUM         30  11:58 PM  22    1973  36     -6       50        
                                      1988                           
  AVERAGE         42                        47     -5       62     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.92 2004   0.10  -0.10     0.02     
  MONTH TO DATE    0.26                      1.29  -1.03     1.15     
  SINCE SEP 1      7.58                      8.88  -1.30     6.67     
  SINCE JAN 1     26.80                     38.10 -11.30    34.17     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           4.2  1968   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       23                        18      5        3        
  MONTH TO DATE  182                       194    -12       66        
  SINCE SEP 1    388                       523   -135      407        
  SINCE JUL 1    388                       524   -136      407        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  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    NE (50)        
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    NE (50)        
  AVERAGE WIND SPEED     4.1                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.4                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  FOG                                                                 
  HAZE                                                                


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           1:00 AM                                      
 LOWEST     41           3:00 PM                                      
 AVERAGE    63                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   58        75      1964                      
 MINIMUM TEMPERATURE (F)   36        19      2019                      


SUNRISE AND SUNSET                                                    
NOVEMBER 13 2023......SUNRISE   6:50 AM EST   SUNSET   4:58 PM EST     
NOVEMBER 14 2023......SUNRISE   6:51 AM EST   SUNSET   4:57 PM EST     


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




$$