935  
CDUS43 KLSX 220829  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
229 AM CST FRI DEC 22 2023  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 21 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1874 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 62 1253 PM 67 1967 43 19 38  
2015  
MINIMUM 40 539 AM -12 1989 27 13 24  
AVERAGE 51 35 16 31  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.84 1967 0.08 -0.08 0.00  
MONTH TO DATE 1.14 1.64 -0.50 1.46  
SINCE DEC 1 1.14 1.64 -0.50 1.46  
SINCE JAN 1 31.99 40.84 -8.85 48.44  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.6 1983 0.1 -0.1 0.0  
MONTH TO DATE 0.0 1.8 -1.8 T  
SINCE DEC 1 0.0 1.8 -1.8 T  
SINCE JUL 1 0.0 2.7 -2.7 0.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 30 -16 34  
MONTH TO DATE 423 573 -150 540  
SINCE DEC 1 423 573 -150 540  
SINCE JUL 1 1075 1395 -320 1333  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1942 1713 229 1977    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 600 AM  
LOWEST 31 1200 PM  
AVERAGE 48  
   
......................................................
 
 
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 2023......SUNRISE 716 AM CST SUNSET 444 PM CST  
DECEMBER 23 2023......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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