800  
CDUS41 KLWX 130530  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
130 AM EDT MON MAY 13 2024  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 12 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 70 1:34 PM 93 1881 76 -6 85  
1914  
MINIMUM 50 5:34 AM 37 1913 57 -7 60  
AVERAGE 60 66 -6 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.40 2.11 1932 0.13 0.27 0.00  
MONTH TO DATE 2.36 1.50 0.86 0.13  
SINCE MAR 1 9.31 8.21 1.10 5.28  
SINCE JAN 1 16.60 13.69 2.91 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 5 2 3 0  
MONTH TO DATE 32 35 -3 55  
SINCE MAR 1 606 815 -209 688  
SINCE JUL 1 3158 3738 -580 3186  
 
COOLING  
YESTERDAY 0 3 -3 8  
MONTH TO DATE 55 31 24 16  
SINCE MAR 1 103 66 37 83  
SINCE JAN 1 104 66 38 83    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 45 2:00 PM  
AVERAGE 69  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 95 1881  
MINIMUM TEMPERATURE (F) 57 39 1878  
 
SUNRISE AND SUNSET  
MAY 13 2024...........SUNRISE 5:57 AM EDT SUNSET 8:12 PM EDT  
MAY 14 2024...........SUNRISE 5:56 AM EDT SUNSET 8:13 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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