AFOS product CLISTL
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CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
227 AM CDT SUN SEP 16 2018


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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 15 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         91    308 PM 101    1939  81     10       90       
  MINIMUM         69    600 AM  45    2007  61      8       64       
                                      1961                          
  AVERAGE         80                        71      9       77      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.05 1914   0.11  -0.11     0.00    
  MONTH TO DATE    1.60                      1.55   0.05     0.07    
  SINCE SEP 1      1.60                      1.55   0.05     0.07    
  SINCE JAN 1     32.28                     29.30   2.98    30.37    
                                                                     
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 SEP 1      0.0                       0.0    0.0      0.0     
  SINCE JUL 1      T                         0.0    0.0      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    0                         4     -4        6       
  SINCE SEP 1      0                         4     -4        6       
  SINCE JUL 1      0                         5     -5        6       
                                                                     
 COOLING                                                             
  YESTERDAY       15                         7      8       12       
  MONTH TO DATE  179                       135     44       84       
  SINCE SEP 1    179                       135     44       84       
  SINCE JAN 1   1935                      1534    401     1686       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NE (40)       
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED     5.1                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           500 AM                                     
 LOWEST     38           100 PM                                     
 AVERAGE    69                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   80        98      1954                    
                                             1927                    
 MINIMUM TEMPERATURE (F)   61        44      1966                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 16 2018.....SUNRISE   644 AM CDT   SUNSET   708 PM CDT   
SEPTEMBER 17 2018.....SUNRISE   645 AM CDT   SUNSET   706 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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