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CDUS43 KLSX 180735
CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
235 AM CDT FRI AUG 18 2023

...................................

...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 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         87    252 PM 104    1936  89     -2       84       
  MINIMUM         66   1159 PM  55    1879  70     -4       66       
  AVERAGE         77                        79     -2       75     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.03          1.89 1939   0.11  -0.08     0.00     
  MONTH TO DATE    3.08                      1.95   1.13     5.26     
  SINCE JUN 1     10.91                     10.37   0.54    19.27     
  SINCE JAN 1     24.48                     28.24  -3.76    38.60     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           0.0    MM   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      MM                                                  

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       12                        14     -2       10        
  MONTH TO DATE  226                       250    -24      271        
  SINCE JUN 1   1117                      1077     40     1265        
  SINCE JAN 1   1338                      1272     66     1500        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (260)       
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (270)       
  AVERAGE WIND SPEED    10.1                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.3                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  THUNDERSTORM                                                        
  LIGHT RAIN                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    74          1100 AM                                      
 LOWEST     41           600 PM                                      
 AVERAGE    58                                                        

..........................................................


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   88       106      1936                      
 MINIMUM TEMPERATURE (F)   69        54      1963                      


SUNRISE AND SUNSET                                                    
AUGUST 18 2023........SUNRISE   618 AM CDT   SUNSET   752 PM CDT     
AUGUST 19 2023........SUNRISE   619 AM CDT   SUNSET   751 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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