285  
CDUS43 KLSX 102234  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
534 PM CDT SUN AUG 10 2025  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 10 2025  
 
VALID AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 90 1156 AM 105 1934 89 1 82  
MINIMUM 73 357 PM 54 1972 70 3 59  
AVERAGE 82 80 2 71  
 
PRECIPITATION (IN)  
TODAY 0.03 2.58 1878 0.11 -0.08 0.00  
MONTH TO DATE 0.03 1.18 -1.15 0.27  
SINCE JUN 1 8.99 9.60 -0.61 9.78  
SINCE JAN 1 30.64 27.47 3.17 30.57  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 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  
TODAY 17 15 2 6  
MONTH TO DATE 133 150 -17 147  
SINCE JUN 1 1086 977 109 1078  
SINCE JAN 1 1257 1172 85 1391    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 12.6  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 300 PM  
LOWEST 50 1200 PM  
AVERAGE 69  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 104 1881  
MINIMUM TEMPERATURE (F) 70 56 1930  
1967  
 
SUNRISE AND SUNSET  
AUGUST 10 2025........SUNRISE 611 AM CDT SUNSET 802 PM CDT  
AUGUST 11 2025........SUNRISE 612 AM CDT SUNSET 801 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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