130  
CDUS41 KLWX 060524  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
124 AM EDT TUE JUN 06 2023  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 5 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 80 3:44 PM 92 2021 80 0 80  
MINIMUM 53 4:41 AM 40 1976 59 -6 55  
AVERAGE 67 70 -3 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.42 1963 0.15 -0.15 0.00  
MONTH TO DATE T 0.74 -0.74 0.42  
SINCE JUN 1 T 0.74 -0.74 0.42  
SINCE JAN 1 9.98 17.98 -8.00 17.64  
 
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 0.4 21.0 -20.6 15.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 7 -7 0  
SINCE JUN 1 0 7 -7 0  
SINCE JUL 1 3847 4599 -752 4023  
 
COOLING  
YESTERDAY 2 6 -4 3  
MONTH TO DATE 24 26 -2 40  
SINCE JUN 1 24 26 -2 40  
SINCE JAN 1 98 132 -34 169    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 12:00 AM  
LOWEST 30 6:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 93 2021  
MINIMUM TEMPERATURE (F) 59 39 1976  
 
SUNRISE AND SUNSET  
JUNE 6 2023..........SUNRISE 5:45 AM EDT SUNSET 8:33 PM EDT  
JUNE 7 2023..........SUNRISE 5:44 AM EDT SUNSET 8:33 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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