507  
CDUS41 KLWX 060523  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
123 AM EDT THU JUN 06 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 5 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1960 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 82 1:15 PM 92 2021 80 2 80  
MINIMUM 71 5:06 AM 40 1976 59 12 53  
AVERAGE 77 70 7 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.18 1.42 1963 0.15 0.03 0.00  
MONTH TO DATE 0.18 0.74 -0.56 T  
SINCE JUN 1 0.18 0.74 -0.56 T  
SINCE JAN 1 17.48 17.98 -0.50 9.98  
 
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 11.7 21.0 -9.3 0.4  
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 3691 4599 -908 3857  
 
COOLING  
YESTERDAY 12 6 6 2  
MONTH TO DATE 40 26 14 24  
SINCE JUN 1 40 26 14 24  
SINCE JAN 1 223 132 91 98    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 5:00 AM  
LOWEST 67 12:00 PM  
AVERAGE 79  
   
......................................................  
 
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 2024..........SUNRISE 5:45 AM EDT SUNSET 8:33 PM EDT  
JUNE 7 2024..........SUNRISE 5:44 AM EDT SUNSET 8:34 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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