710  
CDUS41 KLWX 180527  
CLIBWI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
127 AM EDT MON SEP 18 2023  
   
...............................
 
 
   
..THE BALTIMORE MD CLIMATE SUMMARY FOR SEPTEMBER 17 2023
 
 
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)  
YESTERDAY  
MAXIMUM 76 4:03 PM 97 1991 79 -3 83  
MINIMUM 53 5:15 AM 44 1984 59 -6 56  
AVERAGE 65 69 -4 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 3.94 1876 0.16 -0.08 0.00  
MONTH TO DATE 3.93 2.46 1.47 2.89  
SINCE SEP 1 3.93 2.46 1.47 2.89  
SINCE JAN 1 28.83 32.24 -3.41 34.82  
 
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 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 5 -5 0  
SINCE SEP 1 0 5 -5 0  
SINCE JUL 1 0 5 -5 0  
 
COOLING  
YESTERDAY 0 5 -5 5  
MONTH TO DATE 206 119 87 151  
SINCE SEP 1 206 119 87 151  
SINCE JAN 1 1393 1253 140 1501    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 3.7  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 8:00 PM  
LOWEST 62 2:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE BALTIMORE MD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 91 1898  
1977  
1978  
MINIMUM TEMPERATURE (F) 58 41 1990  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2023.....SUNRISE 6:50 AM EDT SUNSET 7:10 PM EDT  
SEPTEMBER 19 2023.....SUNRISE 6:51 AM EDT SUNSET 7:09 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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