292  
CDUS43 KLSX 312235  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
535 PM CDT SAT MAY 31 2025  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 31 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 85 230 PM 98 1934 82 3 81  
MINIMUM 60 508 AM 42 1889 63 -3 65  
AVERAGE 73 72 1 73  
 
PRECIPITATION (IN)  
TODAY 0.00 1.74 2013 0.15 -0.15 0.06  
MONTH TO DATE 3.91 4.82 -0.91 6.04  
SINCE MAR 1 17.67 13.05 4.62 16.36  
SINCE JAN 1 21.66 17.87 3.79 20.79  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 2015 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 0.3 2.5 -2.2 T  
SINCE JUL 1 18.6 16.6 2.0 9.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 55 72 -17 2  
SINCE MAR 1 607 910 -303 545  
SINCE JUL 1 3832 4429 -597 3351  
 
COOLING  
TODAY 8 8 0 8  
MONTH TO DATE 105 150 -45 225  
SINCE MAR 1 171 194 -23 313  
SINCE JAN 1 171 195 -24 313    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 9.7  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 500 AM  
LOWEST 36 200 PM  
AVERAGE 54  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 100 1934  
MINIMUM TEMPERATURE (F) 63 45 1972  
 
SUNRISE AND SUNSET  
MAY 31 2025...........SUNRISE 539 AM CDT SUNSET 820 PM CDT  
JUNE 1 2025..........SUNRISE 538 AM CDT SUNSET 821 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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