959  
CDUS43 KLSX 210826  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
226 AM CST SAT DEC 21 2024  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 20 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 39 1206 AM 71 2013 43 -4 55  
MINIMUM 30 1157 PM -10 1901 28 2 35  
AVERAGE 35 35 0 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.36 1962 0.08 -0.08 0.00  
MONTH TO DATE 1.71 1.56 0.15 1.14  
SINCE DEC 1 1.71 1.56 0.15 1.14  
SINCE JAN 1 49.64 40.76 8.88 31.99  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.3 1960 0.1 -0.1 0.0  
MONTH TO DATE 0.4 1.7 -1.3 0.0  
SINCE DEC 1 0.4 1.7 -1.3 0.0  
SINCE JUL 1 3.6 2.6 1.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 30 0 20  
MONTH TO DATE 535 543 -8 409  
SINCE DEC 1 535 543 -8 409  
SINCE JUL 1 1069 1365 -296 1061  
 
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 26 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 14.6  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 600 PM  
LOWEST 46 1200 AM  
AVERAGE 56  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 67 1967  
2015  
MINIMUM TEMPERATURE (F) 27 -12 1989  
 
SUNRISE AND SUNSET  
DECEMBER 21 2024......SUNRISE 716 AM CST SUNSET 444 PM CST  
DECEMBER 22 2024......SUNRISE 717 AM CST SUNSET 444 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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