658  
CDUS41 KLWX 202124  
CLIBWI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
524 PM EDT WED SEP 20 2023  
   
...............................
 
 
   
..THE BALTIMORE MD CLIMATE SUMMARY FOR SEPTEMBER 20 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 80 1:16 PM 92 1983 78 2 85  
MINIMUM 52 4:33 AM 42 1956 57 -5 64  
1959  
2020  
AVERAGE 66 68 -2 75  
 
PRECIPITATION (IN)  
TODAY 0.00 1.75 1966 0.15 -0.15 0.00  
MONTH TO DATE 3.93 2.93 1.00 2.89  
SINCE SEP 1 3.93 2.93 1.00 2.89  
SINCE JAN 1 28.83 32.71 -3.88 34.82  
 
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 SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 8 -8 0  
SINCE SEP 1 0 8 -8 0  
SINCE JUL 1 0 8 -8 0  
 
COOLING  
TODAY 1 4 -3 10  
MONTH TO DATE 214 132 82 179  
SINCE SEP 1 214 132 82 179  
SINCE JAN 1 1401 1266 135 1529    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 5:00 AM  
LOWEST 39 1:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE BALTIMORE MD CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 96 1895  
1931  
MINIMUM TEMPERATURE (F) 57 37 1956  
1962  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2023.....SUNRISE 6:52 AM EDT SUNSET 7:07 PM EDT  
SEPTEMBER 21 2023.....SUNRISE 6:53 AM EDT SUNSET 7:06 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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