573  
CDUS43 KLSX 182229  
CLICOU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
529 PM CDT MON SEP 18 2023  
   
...............................
 
 
   
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR SEPTEMBER 18 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 81 307 PM 98 1893 79 2 88  
MINIMUM 51 557 AM 32 1901 57 -6 69  
AVERAGE 66 68 -2 79  
 
PRECIPITATION (IN)  
TODAY 0.00 1.73 1905 0.12 -0.12 0.05  
MONTH TO DATE 0.17 2.33 -2.16 1.61  
SINCE SEP 1 0.17 2.33 -2.16 1.61  
SINCE JAN 1 27.29 31.69 -4.40 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 11 -11 0  
SINCE SEP 1 0 11 -11 0  
SINCE JUL 1 0 12 -12 0  
 
COOLING  
TODAY 1 5 -4 14  
MONTH TO DATE 98 128 -30 155  
SINCE SEP 1 98 128 -30 155  
SINCE JAN 1 1454 1366 88 1623    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 600 AM  
LOWEST 35 300 PM  
AVERAGE 66  
   
......................................................
 
 
THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 98 2022  
MINIMUM TEMPERATURE (F) 57 35 1889  
1991  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2023.....SUNRISE 653 AM CDT SUNSET 713 PM CDT  
SEPTEMBER 19 2023.....SUNRISE 654 AM CDT SUNSET 711 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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