437  
CDUS43 KLSX 150827  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
227 AM CST WED JAN 15 2025  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR JANUARY 14 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 31 109 PM 71 1928 40 -9 3  
MINIMUM 14 1159 PM -9 1881 24 -10 -7  
AVERAGE 23 32 -9 -2  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.23 1937 0.09 -0.09 T  
MONTH TO DATE 2.14 1.28 0.86 1.77  
SINCE DEC 1 5.02 3.78 1.24 4.06  
SINCE JAN 1 2.14 1.28 0.86 1.77  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.6 1968 0.2 -0.2 T  
MONTH TO DATE 10.6 2.7 7.9 3.4  
SINCE DEC 1 11.0 5.9 5.1 3.9  
SINCE JUL 1 14.2 6.8 7.4 3.9  
SNOW DEPTH 4  
 
DEGREE DAYS  
HEATING  
YESTERDAY 42 33 9 67  
MONTH TO DATE 520 458 62 456  
SINCE DEC 1 1267 1342 -75 1067  
SINCE JUL 1 1801 2164 -363 1719  
 
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 18 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64 1200 AM  
LOWEST 39 300 PM  
AVERAGE 52  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 69 1901  
MINIMUM TEMPERATURE (F) 23 -12 1888  
 
SUNRISE AND SUNSET  
JANUARY 15 2025.......SUNRISE 718 AM CST SUNSET 504 PM CST  
JANUARY 16 2025.......SUNRISE 718 AM CST SUNSET 506 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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