AFOS product CLISTL
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CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
229 AM CST FRI DEC 22 2023

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

...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 21 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         62   1253 PM  67    1967  43     19       38       
                                      2015                           
  MINIMUM         40    539 AM -12    1989  27     13       24       
  AVERAGE         51                        35     16       31     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.84 1967   0.08  -0.08     0.00     
  MONTH TO DATE    1.14                      1.64  -0.50     1.46     
  SINCE DEC 1      1.14                      1.64  -0.50     1.46     
  SINCE JAN 1     31.99                     40.84  -8.85    48.44     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           2.6  1983   0.1   -0.1      0.0      
  MONTH TO DATE    0.0                       1.8   -1.8       T       
  SINCE DEC 1      0.0                       1.8   -1.8       T       
  SINCE JUL 1      0.0                       2.7   -2.7      0.8      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       14                        30    -16       34        
  MONTH TO DATE  423                       573   -150      540        
  SINCE DEC 1    423                       573   -150      540        
  SINCE JUL 1   1075                      1395   -320     1333        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE DEC 1      0                         0      0        0        
  SINCE JAN 1   1942                      1713    229     1977        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     S (190)       
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (170)       
  AVERAGE WIND SPEED     6.4                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.9                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    65           600 AM                                      
 LOWEST     31          1200 PM                                      
 AVERAGE    48                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   43        66      1933                      
                                             1965                     
 MINIMUM TEMPERATURE (F)   27       -16      1989                      


SUNRISE AND SUNSET                                                    
DECEMBER 22 2023......SUNRISE   716 AM CST   SUNSET   444 PM CST     
DECEMBER 23 2023......SUNRISE   717 AM CST   SUNSET   444 PM CST     


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




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