892  
CDUS43 KLSX 310726  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
226 AM CDT SUN AUG 31 2025  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 30 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 84 202 PM 102 2013 86 -2 98  
MINIMUM 65 545 AM 50 1934 67 -2 76  
AVERAGE 75 76 -1 87  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.04 1994 0.10 -0.10 T  
MONTH TO DATE 1.48 3.28 -1.80 1.36  
SINCE JUN 1 10.44 11.70 -1.26 10.87  
SINCE JAN 1 32.09 29.57 2.52 31.66  
 
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 10 12 -2 22  
MONTH TO DATE 388 417 -29 450  
SINCE JUN 1 1341 1244 97 1381  
SINCE JAN 1 1512 1439 73 1694    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 300 AM  
LOWEST 43 100 PM  
AVERAGE 64  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 103 2011  
2013  
MINIMUM TEMPERATURE (F) 66 49 1967  
 
SUNRISE AND SUNSET  
AUGUST 31 2025........SUNRISE 630 AM CDT SUNSET 733 PM CDT  
SEPTEMBER 1 2025.....SUNRISE 631 AM CDT SUNSET 731 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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