AFOS product CLISTL
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CDUS43 KLSX 020727
CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
227 AM CDT THU SEP 02 2021

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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 1 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         84    347 PM 104    1984  86     -2       76       
                                      2011                           
  MINIMUM         67   1159 PM  49    1949  66      1       70       
                                      1967                           
  AVERAGE         76                        76      0       73     

PRECIPITATION (IN)                                                    
  YESTERDAY        T             4.70 1931   0.10  -0.10     0.44     
  MONTH TO DATE    T                         0.10  -0.10     0.44     
  SINCE SEP 1      T                         0.10  -0.10     0.44     
  SINCE JAN 1     33.72                     29.77   3.95    40.43     

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

 COOLING                                                              
  YESTERDAY       11                        11      0        8        
  MONTH TO DATE   11                        11      0        8        
  SINCE SEP 1     11                        11      0        8        
  SINCE JAN 1   1572                      1461    111     1507        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NE (30)        
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     E (70)        
  AVERAGE WIND SPEED     8.1                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.5                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87          1200 AM                                      
 LOWEST     49           400 PM                                      
 AVERAGE    68                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   86       101      1953                      
                                             2011                     
 MINIMUM TEMPERATURE (F)   66        50      1949                      
                                             1965                     
                                             1967                     


SUNRISE AND SUNSET                                                    
SEPTEMBER  2 2021.....SUNRISE   632 AM CDT   SUNSET   730 PM CDT     
SEPTEMBER  3 2021.....SUNRISE   633 AM CDT   SUNSET   728 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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