826  
CDUS43 KLSX 160741  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
241 AM CDT THU OCT 16 2025  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR OCTOBER 15 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 84 107 PM 90 1897 70 14 58  
MINIMUM 62 612 AM 30 1937 50 12 43  
AVERAGE 73 60 13 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.29 1914 0.11 -0.11 T  
MONTH TO DATE T 1.41 -1.41 T  
SINCE SEP 1 0.74 4.37 -3.63 5.75  
SINCE JAN 1 32.83 34.04 -1.21 37.43  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1954 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  
YESTERDAY 0 7 -7 14  
MONTH TO DATE 9 74 -65 33  
SINCE SEP 1 13 106 -93 36  
SINCE JUL 1 13 107 -94 36  
 
COOLING  
YESTERDAY 8 1 7 0  
MONTH TO DATE 94 35 59 46  
SINCE SEP 1 363 247 116 314  
SINCE JAN 1 1884 1697 187 2022    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 400 AM  
LOWEST 38 100 PM  
AVERAGE 58  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 89 1950  
MINIMUM TEMPERATURE (F) 49 32 1943  
 
SUNRISE AND SUNSET  
OCTOBER 16 2025.......SUNRISE 712 AM CDT SUNSET 621 PM CDT  
OCTOBER 17 2025.......SUNRISE 713 AM CDT SUNSET 620 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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