AFOS product CLISTL
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CDUS43 KLSX 150727
CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
227 AM CDT WED SEP 15 2021

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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 14 2021...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2021


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         93    225 PM 101    1939  82     11       83       
  MINIMUM         73   1150 PM  46    1949  62     11       61       
                                      1974                           
                                      1996                           
  AVERAGE         83                        72     11       72     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.24          4.58 2008   0.11   0.13     0.00     
  MONTH TO DATE    1.13                      1.48  -0.35     0.50     
  SINCE SEP 1      1.13                      1.48  -0.35     0.50     
  SINCE JAN 1     34.85                     31.15   3.70    40.49     

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 SEP 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                         1     -1        0        
  MONTH TO DATE    0                         2     -2        0        
  SINCE SEP 1      0                         2     -2        0        
  SINCE JUL 1      0                         3     -3        0        

 COOLING                                                              
  YESTERDAY       18                         7     11        7        
  MONTH TO DATE  162                       128     34      158        
  SINCE SEP 1    162                       128     34      158        
  SINCE JAN 1   1723                      1578    145     1657        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (260)       
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION     W (260)       
  AVERAGE WIND SPEED     9.9                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.4                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           900 PM                                      
 LOWEST     44           200 PM                                      
 AVERAGE    66                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   81       101      1939                      
 MINIMUM TEMPERATURE (F)   61        45      1961                      
                                             2007                     


SUNRISE AND SUNSET                                                    
SEPTEMBER 15 2021.....SUNRISE   643 AM CDT   SUNSET   709 PM CDT     
SEPTEMBER 16 2021.....SUNRISE   644 AM CDT   SUNSET   708 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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