198  
CDUS43 KLSX 130733  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
233 AM CDT THU MAR 13 2025  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR MARCH 12 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 79 330 PM 84 1972 55 24 76  
1990  
2012  
MINIMUM 43 534 AM 1 1948 35 8 51  
AVERAGE 61 45 16 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.42 1961 0.10 -0.10 0.00  
MONTH TO DATE 0.36 1.18 -0.82 0.41  
SINCE MAR 1 0.36 1.18 -0.82 0.41  
SINCE JAN 1 4.35 6.00 -1.65 4.84  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.0 1968 0.1 -0.1 0.0  
MONTH TO DATE 0.3 1.2 -0.9 T  
SINCE MAR 1 0.3 1.2 -0.9 T  
SINCE JUL 1 18.6 15.3 3.3 9.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 20 -16 1  
MONTH TO DATE 181 262 -81 137  
SINCE MAR 1 181 262 -81 137  
SINCE JUL 1 3406 3781 -375 2943  
 
COOLING  
YESTERDAY 0 0 0 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 14 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 4.6  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 700 AM  
LOWEST 24 400 PM  
AVERAGE 49  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 85 1933  
MINIMUM TEMPERATURE (F) 36 12 1968  
 
SUNRISE AND SUNSET  
MARCH 13 2025.........SUNRISE 715 AM CDT SUNSET 707 PM CDT  
MARCH 14 2025.........SUNRISE 714 AM CDT SUNSET 708 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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