837  
CDUS43 KLSX 300728  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
228 AM CDT FRI MAY 30 2025  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 29 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 72 952 AM 94 1926 81 -9 78  
MINIMUM 56 338 AM 41 1984 62 -6 57  
AVERAGE 64 72 -8 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.43 2.13 1898 0.15 0.28 0.00  
MONTH TO DATE 3.91 4.51 -0.60 5.98  
SINCE MAR 1 17.67 12.74 4.93 16.30  
SINCE JAN 1 21.66 17.56 4.10 20.73  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 1 1 0 0  
MONTH TO DATE 55 70 -15 2  
SINCE MAR 1 607 908 -301 545  
SINCE JUL 1 3832 4427 -595 3351  
 
COOLING  
YESTERDAY 0 7 -7 3  
MONTH TO DATE 93 134 -41 213  
SINCE MAR 1 159 178 -19 301  
SINCE JAN 1 159 179 -20 301    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 700 PM  
LOWEST 68 100 PM  
AVERAGE 79  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 97 1934  
MINIMUM TEMPERATURE (F) 63 42 1889  
 
SUNRISE AND SUNSET  
MAY 30 2025...........SUNRISE 539 AM CDT SUNSET 819 PM CDT  
MAY 31 2025...........SUNRISE 539 AM CDT SUNSET 820 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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