315  
CDUS43 KLMK 042043  
CLISDF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE LOUISVILLE KY  
443 PM EDT THU SEP 04 2025  
   
...............................  
 
   
..THE LOUISVILLE KY CLIMATE SUMMARY FOR SEPTEMBER 4 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 75 259 PM 102 1954 86 -11 90  
MINIMUM 64 725 AM 47 1952 66 -2 67  
1997  
AVERAGE 70 76 -6 79  
 
PRECIPITATION (IN)  
TODAY 0.72 2.30 1923 0.10 0.62 0.00  
MONTH TO DATE 0.76 0.41 0.35 0.00  
SINCE SEP 1 0.76 0.41 0.35 0.00  
SINCE JAN 1 39.73 33.82 5.91 30.15  
 
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 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 5 11 -6 14  
MONTH TO DATE 32 46 -14 50  
SINCE SEP 1 32 46 -14 50  
SINCE JAN 1 1614 1500 114 1745    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1000 AM  
LOWEST 46 300 PM  
AVERAGE 72  
   
......................................................  
 
THE LOUISVILLE KY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 104 1954  
MINIMUM TEMPERATURE (F) 66 47 1974  
1997  
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2025.....SUNRISE 715 AM EDT SUNSET 808 PM EDT  
SEPTEMBER 5 2025.....SUNRISE 716 AM EDT SUNSET 806 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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