563  
CDUS43 KLSX 112226  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
526 PM CDT TUE MAR 11 2025  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR MARCH 11 2025  
 
VALID AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 80 348 PM 85 1972 55 25 72  
MINIMUM 52 656 AM 8 1948 35 17 40  
AVERAGE 66 45 21 56  
 
PRECIPITATION (IN)  
TODAY 0.00 2.26 1977 0.10 -0.10 0.00  
MONTH TO DATE 0.36 1.08 -0.72 0.41  
SINCE MAR 1 0.36 1.08 -0.72 0.41  
SINCE JAN 1 4.35 5.90 -1.55 4.84  
 
SNOWFALL (IN)  
TODAY 0.0 4.8 1912 0.0 0.0 0.0  
2000  
MONTH TO DATE 0.3 1.1 -0.8 T  
SINCE MAR 1 0.3 1.1 -0.8 T  
SINCE JUL 1 18.6 15.2 3.4 9.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 20 -20 9  
MONTH TO DATE 177 242 -65 136  
SINCE MAR 1 177 242 -65 136  
SINCE JUL 1 3402 3761 -359 2942  
 
COOLING  
TODAY 1 0 1 0  
MONTH TO DATE 1 0 1 5  
SINCE MAR 1 1 0 1 5  
SINCE JAN 1 1 1 0 5    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 46 700 AM  
LOWEST 21 400 PM  
AVERAGE 34  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 84 1972  
1990  
2012  
MINIMUM TEMPERATURE (F) 35 1 1948  
 
SUNRISE AND SUNSET  
MARCH 11 2025.........SUNRISE 718 AM CDT SUNSET 705 PM CDT  
MARCH 12 2025.........SUNRISE 717 AM CDT SUNSET 706 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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