817  
CDUS41 KLWX 170531  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
131 AM EDT FRI MAY 17 2024  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 16 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 82 2:14 PM 93 1911 76 6 79  
MINIMUM 59 5:28 AM 38 1920 58 1 58  
AVERAGE 71 67 4 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.25 2014 0.12 -0.12 T  
MONTH TO DATE 2.72 2.01 0.71 0.26  
SINCE MAR 1 9.67 8.72 0.95 5.41  
SINCE JAN 1 16.96 14.20 2.76 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 43 -11 55  
SINCE MAR 1 606 823 -217 688  
SINCE JUL 1 3158 3746 -588 3186  
 
COOLING  
YESTERDAY 6 4 2 4  
MONTH TO DATE 62 47 15 30  
SINCE MAR 1 110 82 28 97  
SINCE JAN 1 111 82 29 97    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 11.4  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1:00 AM  
LOWEST 44 2:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 92 1877  
1896  
1974  
MINIMUM TEMPERATURE (F) 58 40 1875  
1895  
1956  
 
SUNRISE AND SUNSET  
MAY 17 2024...........SUNRISE 5:54 AM EDT SUNSET 8:16 PM EDT  
MAY 18 2024...........SUNRISE 5:53 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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