938  
CDUS41 KLWX 030530  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
130 AM EDT SAT JUN 03 2023  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 2 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 93R 5:11 PM 91 1978 79 14 90  
2000  
2009  
MINIMUM 55 4:22 AM 41 1993 58 -3 69  
AVERAGE 74 69 5 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.93 1969 0.15 -0.15 0.42  
MONTH TO DATE 0.00 0.30 -0.30 0.42  
SINCE JUN 1 0.00 0.30 -0.30 0.42  
SINCE JAN 1 9.98 17.54 -7.56 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 2 -2 0  
MONTH TO DATE 0 4 -4 0  
SINCE JUN 1 0 4 -4 0  
SINCE JUL 1 3847 4596 -749 4023  
 
COOLING  
YESTERDAY 9 5 4 15  
MONTH TO DATE 12 10 2 30  
SINCE JUN 1 12 10 2 30  
SINCE JAN 1 86 116 -30 159    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 3.4  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 2:00 AM  
LOWEST 25 5:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 95 2020  
MINIMUM TEMPERATURE (F) 58 39 1986  
 
SUNRISE AND SUNSET  
JUNE 3 2023..........SUNRISE 5:46 AM EDT SUNSET 8:31 PM EDT  
JUNE 4 2023..........SUNRISE 5:45 AM EDT SUNSET 8:31 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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