630  
CDUS43 KLSX 310733  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
233 AM CDT MON MAR 31 2025  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR MARCH 30 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 78 1224 PM 86 1986 62 16 79  
MINIMUM 47 1159 PM 18 1964 41 6 62  
AVERAGE 63 52 11 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.25 2.11 1938 0.13 0.12 T  
MONTH TO DATE 2.91 3.36 -0.45 2.16  
SINCE MAR 1 2.91 3.36 -0.45 2.16  
SINCE JAN 1 6.90 8.18 -1.28 6.59  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.5 1942 0.1 -0.1 0.0  
MONTH TO DATE 0.3 2.3 -2.0 T  
SINCE MAR 1 0.3 2.3 -2.0 T  
SINCE JUL 1 18.6 16.4 2.2 9.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 14 -12 0  
MONTH TO DATE 335 563 -228 362  
SINCE MAR 1 335 563 -228 362  
SINCE JUL 1 3560 4082 -522 3168  
 
COOLING  
YESTERDAY 0 0 0 6  
MONTH TO DATE 22 0 22 15  
SINCE MAR 1 22 0 22 15  
SINCE JAN 1 22 1 21 15    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 1200 AM  
LOWEST 42 1200 PM  
AVERAGE 65  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 87 1981  
MINIMUM TEMPERATURE (F) 42 17 1923  
 
SUNRISE AND SUNSET  
MARCH 31 2025.........SUNRISE 647 AM CDT SUNSET 724 PM CDT  
APRIL 1 2025.........SUNRISE 646 AM CDT SUNSET 725 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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