AFOS product CLIIAD
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CDUS41 KLWX 220523
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
1223 AM EST SAT JAN 22 2022

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 21 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         25  12:04 AM  63    2018  42    -17       54        
  MINIMUM         16   8:56 AM -16    1984  25     -9       19        
  AVERAGE         21                        34    -13       37     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          0.94 1974   0.10  -0.10     0.00     
  MONTH TO DATE    3.77                      1.99   1.78     1.26     
  SINCE DEC 1      4.23                      5.29  -1.06     7.07     
  SINCE JAN 1      3.77                      1.99   1.78     1.26     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           8.5  2014   0.3   -0.3      0.0      
  MONTH TO DATE   10.4                       4.2    6.2       T       
  SINCE DEC 1     10.4                       7.0    3.4      2.4      
  SINCE JUL 1     10.4                       7.3    3.1      2.4      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       44                        31     13       28        
  MONTH TO DATE  658                       647     11      578        
  SINCE DEC 1   1273                      1492   -219     1380        
  SINCE JUL 1   1999                      2392   -393     2047        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE DEC 1      0                         0      0        0        
  SINCE JAN 1      0                         0      0        0        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     N (20)        
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     N (350)       
  AVERAGE WIND SPEED    11.6                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.6                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    57           4:00 AM                                      
 LOWEST     43           3:00 PM                                      
 AVERAGE    50                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   42        68      1986                      
 MINIMUM TEMPERATURE (F)   25       -18      1984                      


SUNRISE AND SUNSET                                                    
JANUARY 22 2022.......SUNRISE   7:24 AM EST   SUNSET   5:20 PM EST     
JANUARY 23 2022.......SUNRISE   7:23 AM EST   SUNSET   5:21 PM EST     


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




$$