AFOS product CLIIAD
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download
271 
CDUS41 KLWX 290523
CLIIAD

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
123 AM EDT FRI JUL 29 2022

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 28 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         92   2:13 PM  99    1993  88      4       93        
  MINIMUM         71  11:04 PM  47    1977  67      4       66        
  AVERAGE         82                        77      5       80     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.24          1.65 2000   0.13   0.11     0.03     
  MONTH TO DATE    5.03                      3.77   1.26     2.43     
  SINCE JUN 1      7.78                      8.07  -0.29     6.08     
  SINCE JAN 1     25.00                     25.31  -0.31    19.66     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0          MM      MM   0.0    0.0      0.0      
  MONTH TO DATE    0.0                       0.0    0.0      0.0      
  SINCE JUN 1      0.0                       0.0    0.0      0.0      
  SINCE JUL 1      0.0                       0.0    0.0      0.0      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE JUN 1      0                        13    -13        6        
  SINCE JUL 1      0                         0      0        0        

 COOLING                                                              
  YESTERDAY       17                        12      5       15        
  MONTH TO DATE  382                       334     48      382        
  SINCE JUN 1    619                       572     47      676        
  SINCE JAN 1    748                       678     70      785        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (290)       
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (280)       
  AVERAGE WIND SPEED     5.2                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.6                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  THUNDERSTORM                                                        
  HEAVY RAIN                                                          
  LIGHT RAIN                                                          
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96          10:00 PM                                      
 LOWEST     52           2:00 PM                                      
 AVERAGE    74                                                        

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   88       103      2011                      
 MINIMUM TEMPERATURE (F)   67        52      2014                      


SUNRISE AND SUNSET                                                    
JULY 29 2022..........SUNRISE   6:08 AM EDT   SUNSET   8:24 PM EDT     
JULY 30 2022..........SUNRISE   6:09 AM EDT   SUNSET   8:23 PM EDT     


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




$$