933  
CDUS43 KLSX 212129  
CLICOU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
429 PM CDT MON APR 21 2025  
   
...............................
 
 
   
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR APRIL 21 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 68 259 PM 88 1925 69 -1 60  
1965  
MINIMUM 50 711 AM 28 2021 47 3 39  
AVERAGE 59 58 1 50  
 
PRECIPITATION (IN)  
TODAY T 1.97 1984 0.18 -0.18 0.00  
MONTH TO DATE 5.04 3.16 1.88 1.83  
SINCE MAR 1 7.56 6.13 1.43 5.02  
SINCE JAN 1 9.38 10.37 -0.99 7.96  
 
SNOWFALL (IN)  
TODAY 0.0 T 1893 0.0 0.0 0.0  
1918  
1931  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE MAR 1 0.4 1.7 -1.3 T  
SINCE JUL 1 18.6 16.5 2.1 8.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 6 8 -2 15  
MONTH TO DATE 199 227 -28 167  
SINCE MAR 1 604 823 -219 599  
SINCE JUL 1 4236 4528 -292 3840  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 11 20 -9 29  
SINCE MAR 1 29 25 4 35  
SINCE JAN 1 29 25 4 35    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 11.4  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1200 AM  
LOWEST 49 300 PM  
AVERAGE 70  
   
......................................................
 
 
THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 91 1965  
MINIMUM TEMPERATURE (F) 48 29 1986  
 
SUNRISE AND SUNSET  
APRIL 21 2025.........SUNRISE 624 AM CDT SUNSET 752 PM CDT  
APRIL 22 2025.........SUNRISE 622 AM CDT SUNSET 753 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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