021  
CDUS41 KLWX 200534  
CLIBWI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
134 AM EDT WED SEP 20 2023  
   
...............................
 
 
   
..THE BALTIMORE MD CLIMATE SUMMARY FOR SEPTEMBER 19 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 78 1:09 PM 94 1896 79 -1 87  
1983  
MINIMUM 55 11:59 PM 42 1959 58 -3 64  
AVERAGE 67 68 -1 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.90 1894 0.16 -0.16 0.00  
MONTH TO DATE 3.93 2.78 1.15 2.89  
SINCE SEP 1 3.93 2.78 1.15 2.89  
SINCE JAN 1 28.83 32.56 -3.73 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 7 -7 0  
SINCE SEP 1 0 7 -7 0  
SINCE JUL 1 0 7 -7 0  
 
COOLING  
YESTERDAY 2 4 -2 11  
MONTH TO DATE 213 128 85 169  
SINCE SEP 1 213 128 85 169  
SINCE JAN 1 1400 1262 138 1519    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 6:00 AM  
LOWEST 39 12:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE BALTIMORE MD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 92 1983  
MINIMUM TEMPERATURE (F) 57 42 1956  
1959  
2020  
 
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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