780  
CDUS43 KLSX 160827  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
227 AM CST THU JAN 16 2025  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR JANUARY 15 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 31 347 PM 69 1901 40 -9 11  
MINIMUM 8 503 AM -12 1888 23 -15 -3  
AVERAGE 20 32 -12 4  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.18 1907 0.08 -0.08 0.04  
MONTH TO DATE 2.14 1.36 0.78 1.81  
SINCE DEC 1 5.02 3.86 1.16 4.10  
SINCE JAN 1 2.14 1.36 0.78 1.81  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.0 1997 0.2 -0.2 1.2  
MONTH TO DATE 10.6 2.9 7.7 4.6  
SINCE DEC 1 11.0 6.1 4.9 5.1  
SINCE JUL 1 14.2 7.0 7.2 5.1  
SNOW DEPTH 3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 45 33 12 61  
MONTH TO DATE 565 491 74 517  
SINCE DEC 1 1312 1375 -63 1128  
SINCE JUL 1 1846 2197 -351 1780  
 
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 13 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 500 AM  
LOWEST 41 300 PM  
AVERAGE 56  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 71 1990  
MINIMUM TEMPERATURE (F) 23 -14 1977  
 
SUNRISE AND SUNSET  
JANUARY 16 2025.......SUNRISE 718 AM CST SUNSET 506 PM CST  
JANUARY 17 2025.......SUNRISE 717 AM CST SUNSET 507 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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