687  
CDUS43 KLSX 300740  
CLICOU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
240 AM CDT WED JUL 30 2025  
   
...............................  
 
   
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR JULY 29 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 95 403 PM 104 1999 89 6 93  
MINIMUM 76 731 AM 53 1925 69 7 74  
AVERAGE 86 79 7 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.83 1966 0.12 -0.12 0.16  
MONTH TO DATE 4.31 3.89 0.42 11.23  
SINCE JUN 1 12.22 8.12 4.10 15.74  
SINCE JAN 1 25.48 24.98 0.50 31.68  
 
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 6 -6 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 21 14 7 19  
MONTH TO DATE 427 396 31 322  
SINCE JUN 1 713 690 23 694  
SINCE JAN 1 804 836 -32 882    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 500 AM  
LOWEST 55 300 PM  
AVERAGE 73  
   
......................................................  
 
THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 111 1980  
MINIMUM TEMPERATURE (F) 69 54 1971  
 
SUNRISE AND SUNSET  
JULY 30 2025..........SUNRISE 609 AM CDT SUNSET 821 PM CDT  
JULY 31 2025..........SUNRISE 609 AM CDT SUNSET 820 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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