263  
CDUS43 KLSX 220828  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
228 AM CST SUN DEC 22 2024  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 21 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 39 339 PM 67 1967 43 -4 62  
2015  
MINIMUM 25 739 AM -12 1989 27 -2 40  
AVERAGE 32 35 -3 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.84 1967 0.08 -0.08 0.00  
MONTH TO DATE 1.71 1.64 0.07 1.14  
SINCE DEC 1 1.71 1.64 0.07 1.14  
SINCE JAN 1 49.64 40.84 8.80 31.99  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.6 1983 0.1 -0.1 0.0  
MONTH TO DATE 0.4 1.8 -1.4 0.0  
SINCE DEC 1 0.4 1.8 -1.4 0.0  
SINCE JUL 1 3.6 2.7 0.9 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 30 3 14  
MONTH TO DATE 568 573 -5 423  
SINCE DEC 1 568 573 -5 423  
SINCE JUL 1 1102 1395 -293 1075  
 
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 9 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 1100 PM  
LOWEST 46 300 PM  
AVERAGE 60  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 66 1933  
1965  
MINIMUM TEMPERATURE (F) 27 -16 1989  
 
SUNRISE AND SUNSET  
DECEMBER 22 2024......SUNRISE 717 AM CST SUNSET 444 PM CST  
DECEMBER 23 2024......SUNRISE 717 AM CST SUNSET 445 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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