085  
CDUS41 KLWX 012124  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
424 PM EST MON MAR 01 2021  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 1 2021
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1960 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 51 11:18 AM 77 1972 50 1 52  
MINIMUM 43 5:44 AM 11 1980 29 14 21  
AVERAGE 47 39 8 37  
 
PRECIPITATION (IN)  
TODAY 0.18 1.06 1997 0.09 0.09 0.00  
MONTH TO DATE 0.18 0.09 0.09 0.00  
SINCE MAR 1 0.18 0.09 0.09 0.00  
SINCE JAN 1 6.34 5.51 0.83 6.57  
 
SNOWFALL (IN)  
TODAY 0.0 6.2 1969 0.2 -0.2 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE MAR 1 0.0 0.2 -0.2 0.0  
SINCE JUL 1 12.0 19.1 -7.1 2.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 18 26 -8 28  
MONTH TO DATE 18 26 -8 28  
SINCE MAR 1 18 26 -8 28  
SINCE JUL 1 3211 3616 -405 3172  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 AM  
LOWEST 44 3:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 77 1972  
MINIMUM TEMPERATURE (F) 29 12 1967  
1980  
 
SUNRISE AND SUNSET  
MARCH 1 2021.........SUNRISE 6:42 AM EST SUNSET 6:03 PM EST  
MARCH 2 2021.........SUNRISE 6:40 AM EST SUNSET 6:04 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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