334  
CDUS41 KLWX 060525  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1225 AM EST WED MAR 06 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 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 58 5:50 PM 79 1976 51 7 64  
MINIMUM 49 8:38 AM 7 1978 31 18 28  
AVERAGE 54 41 13 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.55 1.41 1965 0.10 0.45 0.00  
MONTH TO DATE 1.20 0.50 0.70 0.57  
SINCE MAR 1 1.20 0.50 0.70 0.57  
SINCE JAN 1 8.65 6.05 2.60 4.20  
 
SNOWFALL (IN)  
YESTERDAY 0.0 9.5 2015 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.9 -0.9 0.0  
SINCE MAR 1 0.0 0.9 -0.9 0.0  
SINCE JUL 1 11.7 17.9 -6.2 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 24 -13 19  
MONTH TO DATE 74 124 -50 88  
SINCE MAR 1 74 124 -50 88  
SINCE JUL 1 3038 3634 -596 3052  
 
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 16 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 7:00 AM  
LOWEST 69 1:00 PM  
AVERAGE 81  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 78 2022  
MINIMUM TEMPERATURE (F) 31 6 2015  
 
SUNRISE AND SUNSET  
MARCH 6 2024.........SUNRISE 6:34 AM EST SUNSET 6:08 PM EST  
MARCH 7 2024.........SUNRISE 6:33 AM EST SUNSET 6:09 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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