487  
CDUS43 KLMK 082030  
CLISDF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LOUISVILLE KY  
430 PM EDT MON SEP 08 2025  
   
...............................  
 
   
..THE LOUISVILLE KY CLIMATE SUMMARY FOR SEPTEMBER 8 2025  
 
VALID TODAY AS OF 0425 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 77 259 PM 99 1900 85 -8 74  
1939  
MINIMUM 50 536 AM 46 1956 65 -15 50  
AVERAGE 64 75 -11 62  
 
PRECIPITATION (IN)  
TODAY 0.00 3.84 2018 0.11 -0.11 0.00  
MONTH TO DATE 0.76 0.82 -0.06 0.08  
SINCE SEP 1 0.76 0.82 -0.06 0.08  
SINCE JAN 1 39.73 34.23 5.50 30.23  
 
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 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 1 0 1 3  
MONTH TO DATE 2 0 2 3  
SINCE SEP 1 2 0 2 3  
SINCE JUL 1 2 0 2 3  
 
COOLING  
TODAY 0 10 -10 0  
MONTH TO DATE 38 87 -49 83  
SINCE SEP 1 38 87 -49 83  
SINCE JAN 1 1620 1541 79 1778    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 600 AM  
LOWEST 30 300 PM  
AVERAGE 57  
   
......................................................  
 
THE LOUISVILLE KY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 101 1925  
MINIMUM TEMPERATURE (F) 64 44 1883  
 
SUNRISE AND SUNSET  
SEPTEMBER 8 2025.....SUNRISE 719 AM EDT SUNSET 801 PM EDT  
SEPTEMBER 9 2025.....SUNRISE 720 AM EDT SUNSET 800 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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