603  
CDUS43 KLSX 180727  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
227 AM CDT SAT MAY 18 2024  
   
...............................  
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 17 2024  
 
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)  
YESTERDAY  
MAXIMUM 84 138 PM 94 1996 77 7 83  
MINIMUM 66 538 AM 40 1973 58 8 57  
AVERAGE 75 68 7 70  
 
PRECIPITATION (IN)  
YESTERDAY T 3.95 1995 0.15 -0.15 0.00  
MONTH TO DATE 3.38 2.74 0.64 1.61  
SINCE MAR 1 13.70 10.97 2.73 9.21  
SINCE JAN 1 18.13 15.79 2.34 13.57  
 
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 T 2.5 -2.5 T  
SINCE JUL 1 9.3 16.6 -7.3 5.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 2 53 -51 28  
SINCE MAR 1 545 891 -346 839  
SINCE JUL 1 3351 4410 -1059 3920  
 
COOLING  
YESTERDAY 10 5 5 5  
MONTH TO DATE 90 60 30 96  
SINCE MAR 1 178 104 74 132  
SINCE JAN 1 178 105 73 132    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 500 AM  
LOWEST 51 200 PM  
AVERAGE 69  
   
......................................................  
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 94 1996  
MINIMUM TEMPERATURE (F) 59 39 2002  
 
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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