AFOS product CLISTL
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CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CST SAT DEC 16 2023

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

...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 15 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         63    220 PM  76    1948  45     18       39       
  MINIMUM         39    249 AM  -5    1901  29     10       35       
  AVERAGE         51                        37     14       37     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          2.76 1992   0.07  -0.07     0.00     
  MONTH TO DATE    0.82                      1.18  -0.36     1.46     
  SINCE DEC 1      0.82                      1.18  -0.36     1.46     
  SINCE JAN 1     31.67                     40.38  -8.71    48.44     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           6.9  2007   0.1   -0.1      0.0      
  MONTH TO DATE    0.0                       1.2   -1.2      0.0      
  SINCE DEC 1      0.0                       1.2   -1.2      0.0      
  SINCE JUL 1      0.0                       2.1   -2.1      0.8      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       14                        28    -14       28        
  MONTH TO DATE  282                       397   -115      338        
  SINCE DEC 1    282                       397   -115      338        
  SINCE JUL 1    934                      1219   -285     1131        

 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    16   HIGHEST WIND DIRECTION    SE (120)       
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (170)       
  AVERAGE WIND SPEED    10.0                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.7                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    59           300 AM                                      
 LOWEST     30           300 PM                                      
 AVERAGE    45                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   44        71      2021                      
 MINIMUM TEMPERATURE (F)   28        -8      1989                      


SUNRISE AND SUNSET                                                    
DECEMBER 16 2023......SUNRISE   713 AM CST   SUNSET   441 PM CST     
DECEMBER 17 2023......SUNRISE   714 AM CST   SUNSET   442 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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