350  
CDUS43 KLSX 100830  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
230 AM CST FRI JAN 10 2025  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR JANUARY 9 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1874 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 32 348 PM 65 1876 40 -8 44  
MINIMUM 9 433 AM -16 1875 24 -15 34  
AVERAGE 21 32 -11 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.88 1987 0.09 -0.09 0.41  
MONTH TO DATE 1.95 0.86 1.09 1.05  
SINCE DEC 1 4.83 3.36 1.47 3.34  
SINCE JAN 1 1.95 0.86 1.09 1.05  
 
SNOWFALL (IN)  
YESTERDAY 0.0 9.1 1987 0.2 -0.2 0.3  
MONTH TO DATE 8.5 1.7 6.8 3.1  
SINCE DEC 1 8.9 4.9 4.0 3.6  
SINCE JUL 1 12.1 5.8 6.3 3.6  
SNOW DEPTH 6  
 
DEGREE DAYS  
HEATING  
YESTERDAY 44 33 11 26  
MONTH TO DATE 343 293 50 257  
SINCE DEC 1 1090 1177 -87 868  
SINCE JUL 1 1624 1999 -375 1520  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 800 AM  
LOWEST 51 200 PM  
AVERAGE 70  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 68 1890  
2017  
MINIMUM TEMPERATURE (F) 24 -15 1982  
 
SUNRISE AND SUNSET  
JANUARY 10 2025.......SUNRISE 719 AM CST SUNSET 459 PM CST  
JANUARY 11 2025.......SUNRISE 719 AM CST SUNSET 500 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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