242  
CDUS41 KLWX 202123  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
523 PM EDT SAT MAY 20 2023  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 20 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 81 3:59 PM 96 1996 77 4 89  
MINIMUM 58 4:52 AM 42 2002 59 -1 67  
AVERAGE 70 68 2 78  
 
PRECIPITATION (IN)  
TODAY 0.00 2.63 2005 0.13 -0.13 0.00  
MONTH TO DATE 0.26 2.53 -2.27 4.19  
SINCE MAR 1 5.41 9.24 -3.83 10.78  
SINCE JAN 1 9.14 14.72 -5.58 16.79  
 
SNOWFALL (IN)  
TODAY 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 0.9  
SINCE JUL 1 0.4 13.7 -13.3 13.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 59 51 8 53  
SINCE MAR 1 692 831 -139 759  
SINCE JUL 1 3184 3754 -570 3404  
 
COOLING  
TODAY 5 5 0 13  
MONTH TO DATE 38 65 -27 58  
SINCE MAR 1 105 100 5 88  
SINCE JAN 1 105 100 5 88    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 50 4:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 95 1934  
MINIMUM TEMPERATURE (F) 60 41 1907  
 
SUNRISE AND SUNSET  
MAY 20 2023...........SUNRISE 5:52 AM EDT SUNSET 8:18 PM EDT  
MAY 21 2023...........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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