548  
CDUS43 KLSX 200834  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
234 AM CST MON JAN 20 2025  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR JANUARY 19 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 24 1200 AM 75 1952 40 -16 27  
MINIMUM 7 1159 PM -14 1940 23 -16 7  
AVERAGE 16 32 -16 17  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.36 1988 0.08 -0.08 0.02  
MONTH TO DATE 2.14 1.69 0.45 1.85  
SINCE DEC 1 5.02 4.19 0.83 4.14  
SINCE JAN 1 2.14 1.69 0.45 1.85  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.9 1987 0.2 -0.2 0.5  
MONTH TO DATE 10.6 3.7 6.9 5.4  
SINCE DEC 1 11.0 6.9 4.1 5.9  
SINCE JUL 1 14.2 7.8 6.4 5.9  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 49 33 16 48  
MONTH TO DATE 699 623 76 689  
SINCE DEC 1 1446 1507 -61 1300  
SINCE JUL 1 1980 2329 -349 1952  
 
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 23 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 13.9  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 54 1100 PM  
LOWEST 43 100 AM  
AVERAGE 49  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 72 1906  
MINIMUM TEMPERATURE (F) 23 -18 1985  
 
SUNRISE AND SUNSET  
JANUARY 20 2025.......SUNRISE 716 AM CST SUNSET 510 PM CST  
JANUARY 21 2025.......SUNRISE 715 AM CST SUNSET 511 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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