098  
CDUS43 KLSX 010732  
CLICOU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
232 AM CDT MON SEP 01 2025  
   
...............................  
 
   
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR AUGUST 31 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1890 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 76 405 PM 103 1913 85 -9 84  
MINIMUM 66 1159 PM 40 1915 64 2 68  
AVERAGE 71 74 -3 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 2.23 2012 0.14 -0.10 0.21  
MONTH TO DATE 0.11 4.14 -4.03 3.46  
SINCE JUN 1 13.33 12.50 0.83 19.20  
SINCE JAN 1 26.59 29.36 -2.77 35.14  
 
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 1 0 1 0  
SINCE JUN 1 1 6 -5 0  
SINCE JUL 1 1 0 1 0  
 
COOLING  
YESTERDAY 6 10 -4 11  
MONTH TO DATE 327 379 -52 341  
SINCE JUN 1 1061 1092 -31 1073  
SINCE JAN 1 1152 1238 -86 1261    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 7.1  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 1000 AM  
LOWEST 56 400 PM  
AVERAGE 70  
   
......................................................  
 
THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 102 1913  
MINIMUM TEMPERATURE (F) 64 45 1893  
1949  
1967  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2025.....SUNRISE 638 AM CDT SUNSET 739 PM CDT  
SEPTEMBER 2 2025.....SUNRISE 639 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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