004  
CDUS41 KLWX 212129  
CLIBWI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
529 PM EDT WED MAY 21 2025  
   
...............................
 
 
   
..THE BALTIMORE MD CLIMATE SUMMARY FOR MAY 21 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 63 12:58 AM 96 1934 77 -14 83  
MINIMUM 56 3:59 PM 34 2002 55 1 55  
AVERAGE 60 66 -6 69  
 
PRECIPITATION (IN)  
TODAY 0.14 2.05 1909 0.13 0.01 0.00  
MONTH TO DATE 3.95 2.55 1.40 2.37  
SINCE MAR 1 9.42 9.95 -0.53 11.29  
SINCE JAN 1 13.32 15.93 -2.61 19.90  
 
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 2.8 -2.8 T  
SINCE JUL 1 12.7 19.3 -6.6 11.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 5 3 2 0  
MONTH TO DATE 20 88 -68 59  
SINCE MAR 1 711 1048 -337 794  
SINCE JUL 1 4058 4453 -395 3683  
 
COOLING  
TODAY 0 4 -4 4  
MONTH TO DATE 88 46 42 45  
SINCE MAR 1 135 67 68 84  
SINCE JAN 1 135 67 68 84    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 9.7  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 4:00 PM  
LOWEST 56 12:00 AM  
AVERAGE 73  
   
......................................................
 
 
THE BALTIMORE MD CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 98 1941  
MINIMUM TEMPERATURE (F) 55 35 2002  
 
SUNRISE AND SUNSET  
MAY 21 2025...........SUNRISE 5:48 AM EDT SUNSET 8:19 PM EDT  
MAY 22 2025...........SUNRISE 5:48 AM EDT SUNSET 8:20 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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