480  
CDUS43 KLSX 250726  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
226 AM CDT MON AUG 25 2025  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 24 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1874 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 78 330 PM 103 1947 88 -10 92  
MINIMUM 59 552 AM 51 1942 68 -9 77  
AVERAGE 69 78 -9 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.71 1918 0.10 -0.10 0.00  
MONTH TO DATE 1.48 2.68 -1.20 1.06  
SINCE JUN 1 10.44 11.10 -0.66 10.57  
SINCE JAN 1 32.09 28.97 3.12 31.36  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2015 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 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  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 4 -4 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 4 13 -9 20  
MONTH TO DATE 355 344 11 313  
SINCE JUN 1 1308 1171 137 1244  
SINCE JAN 1 1479 1366 113 1557    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 600 AM  
LOWEST 39 300 PM  
AVERAGE 65  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 104 2023  
MINIMUM TEMPERATURE (F) 68 52 1958  
 
SUNRISE AND SUNSET  
AUGUST 25 2025........SUNRISE 625 AM CDT SUNSET 742 PM CDT  
AUGUST 26 2025........SUNRISE 626 AM CDT SUNSET 740 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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