327  
CDUS43 KLSX 210730  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
230 AM CDT FRI JUL 21 2023  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR JULY 20 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 93 337 PM 110 1934 90 3 100  
MINIMUM 73 1159 PM 58 1929 71 2 77  
AVERAGE 83 81 2 89  
 
PRECIPITATION (IN)  
YESTERDAY 0.54 3.70 1949 0.12 0.42 0.00  
MONTH TO DATE 4.54 2.55 1.99 1.98  
SINCE JUN 1 7.63 7.04 0.59 3.77  
SINCE JAN 1 21.20 24.91 -3.71 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 18 16 2 24  
MONTH TO DATE 311 308 3 384  
SINCE JUN 1 682 659 23 817  
SINCE JAN 1 903 854 49 1052    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 800 AM  
LOWEST 37 400 PM  
AVERAGE 66  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 106 1901  
MINIMUM TEMPERATURE (F) 71 54 1944  
1970  
 
SUNRISE AND SUNSET  
JULY 21 2023..........SUNRISE 553 AM CDT SUNSET 822 PM CDT  
JULY 22 2023..........SUNRISE 554 AM CDT SUNSET 821 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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