075  
CDUS41 KLWX 122137  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
537 PM EDT FRI MAY 12 2023  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 12 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 85 2:24 PM 93 1881 76 9 75  
1914  
MINIMUM 60 5:06 AM 37 1913 57 3 57  
AVERAGE 73 66 7 66  
 
PRECIPITATION (IN)  
TODAY 0.00 2.11 1932 0.13 -0.13 T  
MONTH TO DATE 0.13 1.50 -1.37 3.30  
SINCE MAR 1 5.28 8.21 -2.93 9.89  
SINCE JAN 1 9.01 13.69 -4.68 15.90  
 
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 55 35 20 53  
SINCE MAR 1 688 815 -127 759  
SINCE JUL 1 3180 3738 -558 3404  
 
COOLING  
TODAY 8 3 5 1  
MONTH TO DATE 16 31 -15 5  
SINCE MAR 1 83 66 17 35  
SINCE JAN 1 83 66 17 35    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 7:00 AM  
LOWEST 49 2:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 95 1881  
MINIMUM TEMPERATURE (F) 57 39 1878  
 
SUNRISE AND SUNSET  
MAY 12 2023...........SUNRISE 5:59 AM EDT SUNSET 8:11 PM EDT  
MAY 13 2023...........SUNRISE 5:58 AM EDT SUNSET 8:12 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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