151  
CDUS43 KLSX 140728  
CLICOU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
228 AM CDT SUN SEP 14 2025  
   
...............................
 
 
   
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR SEPTEMBER 13 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 97 321 PM 99 1939 81 16 72  
1956  
MINIMUM 64 617 AM 33 1902 59 5 65  
AVERAGE 81 70 11 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.40 1945 0.13 -0.13 T  
MONTH TO DATE 0.43 1.72 -1.29 T  
SINCE SEP 1 0.43 1.72 -1.29 T  
SINCE JAN 1 27.02 31.08 -4.06 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 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 1 -1 0  
MONTH TO DATE 11 4 7 10  
SINCE SEP 1 11 4 7 10  
SINCE JUL 1 12 5 7 10  
 
COOLING  
YESTERDAY 16 6 10 4  
MONTH TO DATE 77 100 -23 56  
SINCE SEP 1 77 100 -23 56  
SINCE JAN 1 1229 1338 -109 1317    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 600 AM  
LOWEST 31 400 PM  
AVERAGE 58  
   
......................................................
 
 
THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 104 1893  
MINIMUM TEMPERATURE (F) 59 40 1890  
1892  
 
SUNRISE AND SUNSET  
SEPTEMBER 14 2025.....SUNRISE 650 AM CDT SUNSET 718 PM CDT  
SEPTEMBER 15 2025.....SUNRISE 651 AM CDT SUNSET 717 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MO Page
The Nexlab IL Page Main Text Page