819  
CDUS41 KLWX 200525  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
125 AM EDT MON MAY 20 2024  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 19 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 76 5:21 PM 96 1911 77 -1 75  
1997  
MINIMUM 63 5:50 AM 43 1976 59 4 56  
AVERAGE 70 68 2 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.15 1900 0.13 -0.13 0.00  
MONTH TO DATE 3.27 2.40 0.87 0.26  
SINCE MAR 1 10.22 9.11 1.11 5.41  
SINCE JAN 1 17.51 14.59 2.92 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 33 49 -16 59  
SINCE MAR 1 607 829 -222 692  
SINCE JUL 1 3159 3752 -593 3190  
 
COOLING  
YESTERDAY 5 5 0 1  
MONTH TO DATE 69 60 9 33  
SINCE MAR 1 117 95 22 100  
SINCE JAN 1 118 95 23 100    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 12:00 AM  
LOWEST 58 4:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 96 1996  
MINIMUM TEMPERATURE (F) 59 42 2002  
 
SUNRISE AND SUNSET  
MAY 20 2024...........SUNRISE 5:51 AM EDT SUNSET 8:19 PM EDT  
MAY 21 2024...........SUNRISE 5:51 AM EDT SUNSET 8:19 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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