757  
CDUS41 KLWX 110624  
CLIBWI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
224 AM EDT THU SEP 11 2025  
   
...............................
 
 
   
..THE BALTIMORE MD CLIMATE SUMMARY FOR SEPTEMBER 10 2025
 
 
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)  
YESTERDAY  
MAXIMUM 70 3:45 PM 98 1983 82 -12 87  
MINIMUM 61 8:23 AM 41 1956 61 0 53  
AVERAGE 66 71 -5 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.12 3.72 1968 0.14 -0.02 0.00  
MONTH TO DATE 1.40 1.39 0.01 0.01  
SINCE SEP 1 1.40 1.39 0.01 0.01  
SINCE JAN 1 28.53 31.17 -2.64 29.33  
 
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 SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 5 0 5 7  
SINCE SEP 1 5 0 5 7  
SINCE JUL 1 7 0 7 7  
 
COOLING  
YESTERDAY 1 7 -6 5  
MONTH TO DATE 41 79 -38 34  
SINCE SEP 1 41 79 -38 34  
SINCE JAN 1 1276 1213 63 1496    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 9:00 PM  
LOWEST 63 12:00 AM  
AVERAGE 82  
   
......................................................
 
 
THE BALTIMORE MD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 100 1983  
MINIMUM TEMPERATURE (F) 61 43 1917  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2025.....SUNRISE 6:45 AM EDT SUNSET 7:21 PM EDT  
SEPTEMBER 12 2025.....SUNRISE 6:45 AM EDT SUNSET 7:19 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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