361  
CDUS41 KLWX 150526  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
126 AM EDT SAT JUN 15 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 14 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 92 1:33 PM 98 1994 83 9 82  
MINIMUM 68 11:59 PM 41 1979 62 6 60  
AVERAGE 80 72 8 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.02 2021 0.15 -0.14 0.03  
MONTH TO DATE 0.28 2.06 -1.78 0.12  
SINCE JUN 1 0.28 2.06 -1.78 0.12  
SINCE JAN 1 17.58 19.30 -1.72 10.10  
 
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 0 0 0  
MONTH TO DATE 0 11 -11 2  
SINCE JUN 1 0 11 -11 2  
SINCE JUL 1 3691 4603 -912 3859  
 
COOLING  
YESTERDAY 15 8 7 6  
MONTH TO DATE 112 85 27 53  
SINCE JUN 1 112 85 27 53  
SINCE JAN 1 295 191 104 127    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 11:00 PM  
LOWEST 34 1:00 PM  
AVERAGE 61  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 99 1994  
MINIMUM TEMPERATURE (F) 62 42 1978  
 
SUNRISE AND SUNSET  
JUNE 15 2024..........SUNRISE 5:44 AM EDT SUNSET 8:37 PM EDT  
JUNE 16 2024..........SUNRISE 5:44 AM EDT SUNSET 8:38 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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