294  
CDUS41 KLWX 180523  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
123 AM EDT SAT MAY 18 2024  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 17 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 69 2:35 PM 92 1877 77 -8 75  
1896  
1974  
MINIMUM 64 11:59 PM 40 1875 58 6 58  
1895  
1956  
AVERAGE 67 67 0 67  
 
PRECIPITATION (IN)  
YESTERDAY T 1.24 1947 0.13 -0.13 0.00  
MONTH TO DATE 2.72 2.14 0.58 0.26  
SINCE MAR 1 9.67 8.85 0.82 5.41  
SINCE JAN 1 16.96 14.33 2.63 9.14  
 
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 0 2 -2 0  
MONTH TO DATE 32 45 -13 55  
SINCE MAR 1 606 825 -219 688  
SINCE JUL 1 3158 3748 -590 3186  
 
COOLING  
YESTERDAY 2 4 -2 2  
MONTH TO DATE 64 51 13 32  
SINCE MAR 1 112 86 26 99  
SINCE JAN 1 113 86 27 99    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 1:00 AM  
LOWEST 68 1:00 PM  
AVERAGE 74  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 96 1877  
MINIMUM TEMPERATURE (F) 59 40 1973  
 
SUNRISE AND SUNSET  
MAY 18 2024...........SUNRISE 5:53 AM EDT SUNSET 8:17 PM EDT  
MAY 19 2024...........SUNRISE 5:52 AM EDT SUNSET 8:18 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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