548  
CDUS41 KLWX 092131  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
531 PM EDT THU MAY 09 2024  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 9 2024  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 75 3:35 PM 96 1963 75 0 69  
MINIMUM 66 1:54 AM 34 1947 56 10 56  
AVERAGE 71 65 6 63  
 
PRECIPITATION (IN)  
TODAY 0.00 2.22 2008 0.12 -0.12 0.10  
MONTH TO DATE 1.43 1.12 0.31 0.13  
SINCE MAR 1 8.38 7.83 0.55 5.28  
SINCE JAN 1 15.67 13.31 2.36 9.01  
 
SNOWFALL (IN)  
TODAY 0.0 T 1923 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  
TODAY 0 3 -3 2  
MONTH TO DATE 11 29 -18 52  
SINCE MAR 1 585 809 -224 685  
SINCE JUL 1 3137 3732 -595 3183  
 
COOLING  
TODAY 6 3 3 0  
MONTH TO DATE 58 22 36 7  
SINCE MAR 1 106 57 49 74  
SINCE JAN 1 107 57 50 74    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 1:00 AM  
LOWEST 50 10:00 AM  
AVERAGE 69  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 95 1963  
MINIMUM TEMPERATURE (F) 56 35 1947  
 
SUNRISE AND SUNSET  
MAY 9 2024...........SUNRISE 6:01 AM EDT SUNSET 8:09 PM EDT  
MAY 10 2024...........SUNRISE 6:00 AM EDT SUNSET 8:10 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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