673  
CDUS41 KLWX 190529  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
129 AM EDT THU MAY 19 2022  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 18 2022  
 
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)  
YESTERDAY  
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)  
YESTERDAY 0.01 1.38 1936 0.13 -0.12 0.00  
MONTH TO DATE 4.16 2.27 1.89 0.69  
SINCE MAR 1 10.75 8.98 1.77 6.69  
SINCE JAN 1 16.76 14.46 2.30 13.28  
 
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 0.9 2.0 -1.1 0.0  
SINCE JUL 1 13.2 13.7 -0.5 5.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 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 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 11:00 PM  
LOWEST 35 1:00 PM  
AVERAGE 48  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 96 1911  
1997  
MINIMUM TEMPERATURE (F) 59 43 1976  
 
SUNRISE AND SUNSET  
MAY 19 2022...........SUNRISE 5:52 AM EDT SUNSET 8:17 PM EDT  
MAY 20 2022...........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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