AFOS product CLISTL
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CDUS43 KLSX 181840
CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
1240 PM CST MON DEC 18 2023

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

...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 17 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         46    402 PM  72    1908  44      2       34       
  MINIMUM         34   1024 PM  -3    1875  28      6       24       
  AVERAGE         40                        36      4       29     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.02 1897   0.08  -0.08     0.00     
                                      1959                           
  MONTH TO DATE    1.14                      1.33  -0.19     1.46     
  SINCE DEC 1      1.14                      1.33  -0.19     1.46     
  SINCE JAN 1     31.99                     40.53  -8.54    48.44     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           2.0  1897   0.1   -0.1      0.0      
  MONTH TO DATE    0.0                       1.4   -1.4       T       
  SINCE DEC 1      0.0                       1.4   -1.4       T       
  SINCE JUL 1      0.0                       2.3   -2.3      0.8      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       25                        29     -4       36        
  MONTH TO DATE  324                       455   -131      405        
  SINCE DEC 1    324                       455   -131      405        
  SINCE JUL 1    976                      1277   -301     1198        

 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    15   HIGHEST WIND DIRECTION     W (270)       
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (290)       
  AVERAGE WIND SPEED     7.3                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.8                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82          1000 PM                                      
 LOWEST     63           400 PM                                      
 AVERAGE    73                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   44        69      1877                      
                                             1939                     
 MINIMUM TEMPERATURE (F)   28        -4      1884                      
                                             1983                     


SUNRISE AND SUNSET                                                    
DECEMBER 18 2023......SUNRISE   714 AM CST   SUNSET   442 PM CST     
DECEMBER 19 2023......SUNRISE   715 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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