484  
CDUS43 KLSX 052143  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
443 PM CDT MON MAY 05 2025  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 5 2025  
 
VALID AS OF 0400 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 60 1243 PM 93 1943 74 -14 70  
1952  
MINIMUM 47 1246 AM 38 1917 54 -7 56  
1944  
1979  
AVERAGE 54 64 -10 63  
 
PRECIPITATION (IN)  
TODAY T 1.50 2022 0.17 -0.17 0.08  
MONTH TO DATE 0.98 0.82 0.16 1.48  
SINCE MAR 1 14.74 9.05 5.69 11.80  
SINCE JAN 1 18.73 13.87 4.86 16.23  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM 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 11 4 7 2  
MONTH TO DATE 34 20 14 2  
SINCE MAR 1 586 858 -272 545  
SINCE JUL 1 3811 4377 -566 3351  
 
COOLING  
TODAY 0 3 -3 0  
MONTH TO DATE 6 12 -6 31  
SINCE MAR 1 72 56 16 119  
SINCE JAN 1 72 57 15 119    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 200 AM  
LOWEST 66 900 AM  
AVERAGE 73  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 92 2012  
MINIMUM TEMPERATURE (F) 55 34 1944  
 
SUNRISE AND SUNSET  
MAY 5 2025...........SUNRISE 559 AM CDT SUNSET 758 PM CDT  
MAY 6 2025...........SUNRISE 558 AM CDT SUNSET 759 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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