592  
CDUS41 KLWX 120532  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
132 AM EDT SUN MAY 12 2024  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 11 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 67 3:16 PM 94 1896 75 -8 78  
1911  
MINIMUM 48 4:57 AM 33 1906 57 -9 53  
AVERAGE 58 66 -8 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.24 2.63 2008 0.12 0.12 0.00  
MONTH TO DATE 1.96 1.37 0.59 0.13  
SINCE MAR 1 8.91 8.08 0.83 5.28  
SINCE JAN 1 16.20 13.56 2.64 9.01  
 
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 MAR 1 T 2.0 -2.0 T  
SINCE JUL 1 8.0 13.7 -5.7 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 2 5 0  
MONTH TO DATE 27 33 -6 55  
SINCE MAR 1 601 813 -212 688  
SINCE JUL 1 3153 3736 -583 3186  
 
COOLING  
YESTERDAY 0 3 -3 1  
MONTH TO DATE 55 28 27 8  
SINCE MAR 1 103 63 40 75  
SINCE JAN 1 104 63 41 75    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 5:00 AM  
LOWEST 48 2:00 PM  
AVERAGE 67  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 93 1881  
1914  
MINIMUM TEMPERATURE (F) 57 37 1913  
 
SUNRISE AND SUNSET  
MAY 12 2024...........SUNRISE 5:58 AM EDT SUNSET 8:12 PM EDT  
MAY 13 2024...........SUNRISE 5:57 AM EDT SUNSET 8:12 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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