261  
CDUS43 KLSX 182139  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
439 PM CDT SAT MAY 18 2024  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 18 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 87 235 PM 94 1996 78 9 83  
MINIMUM 64 513 AM 39 2002 59 5 62  
AVERAGE 76 68 8 73  
 
PRECIPITATION (IN)  
TODAY 0.00 2.38 1890 0.15 -0.15 0.00  
MONTH TO DATE 3.38 2.89 0.49 1.61  
SINCE MAR 1 13.70 11.12 2.58 9.21  
SINCE JAN 1 18.13 15.94 2.19 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 0  
MONTH TO DATE 2 55 -53 28  
SINCE MAR 1 545 893 -348 839  
SINCE JUL 1 3351 4412 -1061 3920  
 
COOLING  
TODAY 11 5 6 8  
MONTH TO DATE 101 65 36 104  
SINCE MAR 1 189 109 80 140  
SINCE JAN 1 189 110 79 140    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 3.2  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 300 AM  
LOWEST 43 200 PM  
AVERAGE 67  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 94 1996  
MINIMUM TEMPERATURE (F) 59 40 1894  
 
SUNRISE AND SUNSET  
MAY 18 2024...........SUNRISE 546 AM CDT SUNSET 810 PM CDT  
MAY 19 2024...........SUNRISE 546 AM CDT SUNSET 811 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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