143  
CDUS43 KLSX 282229  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
429 PM CST THU DEC 28 2023  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 28 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 45 1229 PM 75 1928 42 3 56  
MINIMUM 34 404 AM -8 1924 26 8 30  
AVERAGE 40 34 6 43  
 
PRECIPITATION (IN)  
TODAY 0.10 2.59 2015 0.08 0.02 0.00  
MONTH TO DATE 2.22 2.23 -0.01 1.65  
SINCE DEC 1 2.22 2.23 -0.01 1.65  
SINCE JAN 1 33.07 41.43 -8.36 48.63  
 
SNOWFALL (IN)  
TODAY 0.2 3.5 1943 0.2 0.0 0.0  
MONTH TO DATE 0.4 2.8 -2.4 2.1  
SINCE DEC 1 0.4 2.8 -2.4 2.1  
SINCE JUL 1 0.4 3.7 -3.3 2.9  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
TODAY 25 31 -6 22  
MONTH TO DATE 533 787 -254 853  
SINCE DEC 1 533 787 -254 853  
SINCE JUL 1 1185 1609 -424 1646  
 
COOLING  
TODAY 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 20 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 400 AM  
LOWEST 57 200 PM  
AVERAGE 73  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 70 1984  
MINIMUM TEMPERATURE (F) 26 -15 1880  
 
SUNRISE AND SUNSET  
DECEMBER 28 2023......SUNRISE 719 AM CST SUNSET 447 PM CST  
DECEMBER 29 2023......SUNRISE 719 AM CST SUNSET 448 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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