890  
CDUS43 KLSX 202227  
CLICOU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
527 PM CDT WED SEP 20 2023  
   
...............................
 
 
   
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR SEPTEMBER 20 2023
 
 
VALID AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1890 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 70 359 PM 98 1893 79 -9 98  
2022  
MINIMUM 64 715 AM 36 1918 57 7 70  
1991  
AVERAGE 67 68 -1 84  
 
PRECIPITATION (IN)  
TODAY 0.03 1.72 1944 0.12 -0.09 0.00  
MONTH TO DATE 0.20 2.57 -2.37 1.61  
SINCE SEP 1 0.20 2.57 -2.37 1.61  
SINCE JAN 1 27.32 31.93 -4.61 26.74  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 0 2 -2 0  
MONTH TO DATE 0 15 -15 0  
SINCE SEP 1 0 15 -15 0  
SINCE JUL 1 0 16 -16 0  
 
COOLING  
TODAY 2 5 -3 19  
MONTH TO DATE 108 138 -30 196  
SINCE SEP 1 108 138 -30 196  
SINCE JAN 1 1464 1376 88 1664    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 800 AM  
LOWEST 68 1200 AM  
AVERAGE 81  
   
......................................................
 
 
THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 100 1893  
MINIMUM TEMPERATURE (F) 56 35 1897  
1983  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2023.....SUNRISE 655 AM CDT SUNSET 709 PM CDT  
SEPTEMBER 21 2023.....SUNRISE 655 AM CDT SUNSET 708 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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