123  
CDUS43 KLSX 011021  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
421 AM CST WED JAN 01 2025  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 31 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1874 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 52 203 AM 74 1875 41 11 42  
1951  
MINIMUM 34 1149 PM -10 1976 25 9 35  
AVERAGE 43 33 10 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.27 1.69 1984 0.09 0.18 T  
MONTH TO DATE 2.88 2.50 0.38 2.29  
SINCE DEC 1 2.88 2.50 0.38 2.29  
SINCE JAN 1 50.81 41.70 9.11 33.14  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.5 1927 0.1 -0.1 T  
MONTH TO DATE 0.4 3.2 -2.8 0.5  
SINCE DEC 1 0.4 3.2 -2.8 0.5  
SINCE JUL 1 3.6 4.1 -0.5 0.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 32 -10 26  
MONTH TO DATE 747 883 -136 611  
SINCE DEC 1 747 883 -136 611  
SINCE JUL 1 1281 1705 -424 1263  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 2057 1713 344 1942    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 17.2  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 400 AM  
LOWEST 65 400 PM  
AVERAGE 76  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 70 1965  
MINIMUM TEMPERATURE (F) 25 -10 1887  
1974  
 
SUNRISE AND SUNSET  
JANUARY 1 2025.......SUNRISE 720 AM CST SUNSET 451 PM CST  
JANUARY 2 2025.......SUNRISE 720 AM CST SUNSET 452 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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