619  
CDUS41 KLWX 160526  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
126 AM EDT SAT MAR 16 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 15 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 74 1:23 PM 84 2012 54 20 51  
MINIMUM 54 11:59 PM -1 1993 33 21 30  
AVERAGE 64 44 20 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.89 1967 0.12 -0.11 0.00  
MONTH TO DATE 2.45 1.63 0.82 0.73  
SINCE MAR 1 2.45 1.63 0.82 0.73  
SINCE JAN 1 9.90 7.18 2.72 4.36  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.4 1999 0.1 -0.1 0.0  
MONTH TO DATE T 2.5 -2.5 T  
SINCE MAR 1 T 2.5 -2.5 T  
SINCE JUL 1 11.7 19.5 -7.8 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 21 -20 24  
MONTH TO DATE 189 352 -163 322  
SINCE MAR 1 189 352 -163 322  
SINCE JUL 1 3153 3862 -709 3286  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 3 0 3 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 8:00 PM  
LOWEST 34 12:00 AM  
AVERAGE 58  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 81 1990  
MINIMUM TEMPERATURE (F) 34 16 1969  
 
SUNRISE AND SUNSET  
MARCH 16 2024.........SUNRISE 7:19 AM EDT SUNSET 7:18 PM EDT  
MARCH 17 2024.........SUNRISE 7:17 AM EDT SUNSET 7:19 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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