AFOS product CLISTL
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CDUS43 KLSX 010732
CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
232 AM CDT WED SEP 01 2021

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

...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 31 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         86    422 PM 103    2011  86      0       83       
                                      2013                           
  MINIMUM         70   1139 PM  49    1967  66      4       70       
  AVERAGE         78                        76      2       77     

PRECIPITATION (IN)                                                    
  YESTERDAY        1.22          1.48 2012   0.10   1.12      T       
  MONTH TO DATE    4.85                      3.38   1.47     4.71     
  SINCE JUN 1     16.13                     11.80   4.33    16.49     
  SINCE JAN 1     33.72                     29.67   4.05    39.99     

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       13                        11      2       12        
  MONTH TO DATE  507                       428     79      396        
  SINCE JUN 1   1387                      1255    132     1352        
  SINCE JAN 1   1561                      1450    111     1499        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    NW (320)       
  HIGHEST GUST SPEED    42   HIGHEST GUST DIRECTION    NW (330)       
  AVERAGE WIND SPEED     5.8                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.8                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    91           400 AM                                      
 LOWEST     55           600 PM                                      
 AVERAGE    73                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   86       104      1984                      
                                             2011                     
 MINIMUM TEMPERATURE (F)   66        49      1949                      
                                             1967                     


SUNRISE AND SUNSET                                                    
SEPTEMBER  1 2021.....SUNRISE   631 AM CDT   SUNSET   731 PM CDT     
SEPTEMBER  2 2021.....SUNRISE   632 AM CDT   SUNSET   730 PM CDT     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$