290  
CDUS43 KLSX 180728  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
228 AM CDT TUE JUL 18 2023  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR JULY 17 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1874 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 1257 PM 103 2012 90 0 82  
MINIMUM 70 519 AM 57 1976 71 -1 73  
AVERAGE 80 80 0 78  
 
PRECIPITATION (IN)  
YESTERDAY T 1.94 1938 0.12 -0.12 0.74  
MONTH TO DATE 4.00 2.19 1.81 1.98  
SINCE JUN 1 7.09 6.68 0.41 3.77  
SINCE JAN 1 20.66 24.55 -3.89 23.10  
 
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 JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 4 -4 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 15 16 -1 13  
MONTH TO DATE 264 260 4 325  
SINCE JUN 1 635 611 24 758  
SINCE JAN 1 856 806 50 993    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 200 AM  
LOWEST 51 500 PM  
AVERAGE 65  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 112 1954  
MINIMUM TEMPERATURE (F) 71 57 1976  
 
SUNRISE AND SUNSET  
JULY 18 2023..........SUNRISE 551 AM CDT SUNSET 824 PM CDT  
JULY 19 2023..........SUNRISE 552 AM CDT SUNSET 823 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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