AFOS product CLISTL
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CDUS43 KLSX 120812
CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
312 AM CDT THU AUG 12 2021

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

...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 11 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         97    335 PM 104    1881  89      8       84       
  MINIMUM         80    542 AM  56    1930  70     10       70       
                                      1967                           
  AVERAGE         89                        80      9       77     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          2.34 1939   0.12  -0.12     0.00     
  MONTH TO DATE    2.00                      1.30   0.70     4.67     
  SINCE JUN 1     13.28                      9.72   3.56    16.45     
  SINCE JAN 1     30.87                     27.59   3.28    39.95     

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       24                        15      9       12        
  MONTH TO DATE  163                       165     -2      114        
  SINCE JUN 1   1043                       992     51     1070        
  SINCE JAN 1   1217                      1187     30     1217        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     S (200)       
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     S (190)       
  AVERAGE WIND SPEED    12.6                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.4                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    74          1200 AM                                      
 LOWEST     45           400 PM                                      
 AVERAGE    60                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   89       106      1881                      
 MINIMUM TEMPERATURE (F)   70        51      1967                      


SUNRISE AND SUNSET                                                    
AUGUST 12 2021........SUNRISE   613 AM CDT   SUNSET   759 PM CDT     
AUGUST 13 2021........SUNRISE   614 AM CDT   SUNSET   758 PM CDT     


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




$$