332  
CDUS43 KLSX 202136  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
436 PM CDT MON MAY 20 2024  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 20 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1874 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 87 1110 AM 93 1902 78 9 73  
MINIMUM 73 520 AM 41 1894 59 14 53  
1981  
AVERAGE 80 69 11 63  
 
PRECIPITATION (IN)  
TODAY 0.00 1.66 1947 0.15 -0.15 0.00  
MONTH TO DATE 3.38 3.19 0.19 1.61  
SINCE MAR 1 13.70 11.42 2.28 9.21  
SINCE JAN 1 18.13 16.24 1.89 13.57  
 
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 T 2.5 -2.5 T  
SINCE JUL 1 9.3 16.6 -7.3 5.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 2  
MONTH TO DATE 2 59 -57 30  
SINCE MAR 1 545 897 -352 841  
SINCE JUL 1 3351 4416 -1065 3922  
 
COOLING  
TODAY 15 6 9 0  
MONTH TO DATE 132 76 56 110  
SINCE MAR 1 220 120 100 146  
SINCE JAN 1 220 121 99 146    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 600 AM  
LOWEST 48 1000 AM  
AVERAGE 59  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 93 1941  
MINIMUM TEMPERATURE (F) 60 38 1883  
 
SUNRISE AND SUNSET  
MAY 20 2024...........SUNRISE 545 AM CDT SUNSET 812 PM CDT  
MAY 21 2024...........SUNRISE 544 AM CDT SUNSET 813 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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