AFOS product CLISTL
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CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CDT TUE APR 13 2021

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

...THE ST. LOUIS CLIMATE SUMMARY FOR APRIL 12 2021...

CLIMATE NORMAL PERIOD 1981 TO 2010
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         68    135 PM  89    1971  66      2       62       
  MINIMUM         45    536 AM  24    1939  46     -1       40       
                                      1940                           
  AVERAGE         57                        56      1       51     

PRECIPITATION (IN)                                                    
  YESTERDAY        T             2.00 1909   0.11  -0.11     0.53     
  MONTH TO DATE    2.14                      1.43   0.71     0.63     
  SINCE MAR 1      7.31                      4.75   2.56     4.48     
  SINCE JAN 1     12.77                      9.39   3.38    13.64     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           0.1  1957   0.1   -0.1      0.0      
  MONTH TO DATE    0.0                       0.3   -0.3      0.0      
  SINCE MAR 1      0.0                       2.6   -2.6       T       
  SINCE JUL 1     12.1                      17.6   -5.5     14.3      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        8                        10     -2       14        
  MONTH TO DATE   89                       141    -52      128        
  SINCE MAR 1    483                       729   -246      569        
  SINCE JUL 1   4062                      4327   -265     4013        

 COOLING                                                              
  YESTERDAY        0                         1     -1        0        
  MONTH TO DATE   16                        12      4       18        
  SINCE MAR 1     17                        19     -2       25        
  SINCE JAN 1     17                        19     -2       25        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (330)       
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NW (320)       
  AVERAGE WIND SPEED     6.9                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.4                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT RAIN                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80           300 AM                                      
 LOWEST     31           400 PM                                      
 AVERAGE    56                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   67        89      1941                      
 MINIMUM TEMPERATURE (F)   46        25      1950                      


SUNRISE AND SUNSET                                                    
APRIL 13 2021.........SUNRISE   628 AM CDT   SUNSET   737 PM CDT     
APRIL 14 2021.........SUNRISE   626 AM CDT   SUNSET   738 PM CDT     


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




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