211  
CDUS43 KLSX 270727  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
227 AM CDT WED AUG 27 2025  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 26 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 77 251 PM 103 1936 87 -10 100  
MINIMUM 55 553 AM 53 1934 68 -13 78  
AVERAGE 66 77 -11 89  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.46 1888 0.11 -0.11 0.00  
MONTH TO DATE 1.48 2.89 -1.41 1.06  
SINCE JUN 1 10.44 11.31 -0.87 10.57  
SINCE JAN 1 32.09 29.18 2.91 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 1 12 -11 24  
MONTH TO DATE 356 369 -13 359  
SINCE JUN 1 1309 1196 113 1290  
SINCE JAN 1 1480 1391 89 1603    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 400 AM  
LOWEST 26 300 PM  
AVERAGE 58  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 102 1881  
2024  
MINIMUM TEMPERATURE (F) 67 51 1968  
 
SUNRISE AND SUNSET  
AUGUST 27 2025........SUNRISE 626 AM CDT SUNSET 739 PM CDT  
AUGUST 28 2025........SUNRISE 627 AM CDT SUNSET 737 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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