167  
CDUS41 KLWX 182127  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
527 PM EDT WED MAY 18 2022  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 18 2022  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2022  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 75 1:12 PM 96 1877 77 -2 79  
MINIMUM 58 5:26 AM 40 1973 59 -1 55  
AVERAGE 67 68 -1 67  
 
PRECIPITATION (IN)  
TODAY 0.00 1.38 1936 0.13 -0.13 0.00  
MONTH TO DATE 4.15 2.27 1.88 0.69  
SINCE MAR 1 10.74 8.98 1.76 6.69  
SINCE JAN 1 16.75 14.46 2.29 13.28  
 
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 0.9 2.0 -1.1 0.0  
SINCE JUL 1 13.2 13.7 -0.5 5.4  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 53 47 6 60  
SINCE MAR 1 759 827 -68 721  
SINCE JUL 1 3404 3750 -346 3475  
 
COOLING  
TODAY 2 4 -2 2  
MONTH TO DATE 36 55 -19 26  
SINCE MAR 1 66 90 -24 66  
SINCE JAN 1 66 90 -24 66    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 53 3:00 AM  
LOWEST 35 1:00 PM  
AVERAGE 44  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 96 1911  
1997  
MINIMUM TEMPERATURE (F) 59 43 1976  
 
SUNRISE AND SUNSET  
MAY 18 2022...........SUNRISE 5:53 AM EDT SUNSET 8:16 PM EDT  
MAY 19 2022...........SUNRISE 5:52 AM EDT SUNSET 8:17 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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