232  
CDUS43 KLSX 170825  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
225 AM CST FRI JAN 17 2025  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR JANUARY 16 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 44 409 PM 71 1990 40 4 16  
MINIMUM 26 1137 PM -14 1977 23 3 2  
AVERAGE 35 32 3 9  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.06 1907 0.09 -0.09 0.01  
MONTH TO DATE 2.14 1.45 0.69 1.82  
SINCE DEC 1 5.02 3.95 1.07 4.11  
SINCE JAN 1 2.14 1.45 0.69 1.82  
 
SNOWFALL (IN)  
YESTERDAY 0.0 10.9 1978 0.2 -0.2 0.1  
MONTH TO DATE 10.6 3.1 7.5 4.7  
SINCE DEC 1 11.0 6.3 4.7 5.2  
SINCE JUL 1 14.2 7.2 7.0 5.2  
SNOW DEPTH 3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 33 -3 56  
MONTH TO DATE 595 524 71 573  
SINCE DEC 1 1342 1408 -66 1184  
SINCE JUL 1 1876 2230 -354 1836  
 
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 24 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 1000 PM  
LOWEST 51 400 PM  
AVERAGE 63  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 72 1894  
MINIMUM TEMPERATURE (F) 23 -14 1930  
 
SUNRISE AND SUNSET  
JANUARY 17 2025.......SUNRISE 717 AM CST SUNSET 507 PM CST  
JANUARY 18 2025.......SUNRISE 717 AM CST SUNSET 508 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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