653  
CDUS43 KLSX 100734  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
234 AM CDT MON MAR 10 2025  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR MARCH 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 65 401 PM 80 1925 54 11 52  
MINIMUM 32 627 AM 9 1877 35 -3 39  
1932  
AVERAGE 49 44 5 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.33 1964 0.10 -0.10 T  
MONTH TO DATE 0.36 0.87 -0.51 0.41  
SINCE MAR 1 0.36 0.87 -0.51 0.41  
SINCE JAN 1 4.35 5.69 -1.34 4.84  
 
SNOWFALL (IN)  
YESTERDAY 0.0 10.0 1958 0.1 -0.1 0.0  
MONTH TO DATE 0.3 0.9 -0.6 T  
SINCE MAR 1 0.3 0.9 -0.6 T  
SINCE JUL 1 18.6 15.0 3.6 9.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 21 -5 19  
MONTH TO DATE 170 201 -31 105  
SINCE MAR 1 170 201 -31 105  
SINCE JUL 1 3395 3720 -325 2911  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 5  
SINCE MAR 1 0 0 0 5  
SINCE JAN 1 0 1 -1 5    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 600 AM  
LOWEST 15 100 PM  
AVERAGE 41  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 86 1955  
MINIMUM TEMPERATURE (F) 35 8 1934  
 
SUNRISE AND SUNSET  
MARCH 10 2025.........SUNRISE 720 AM CDT SUNSET 704 PM CDT  
MARCH 11 2025.........SUNRISE 718 AM CDT SUNSET 705 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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