AFOS product CLISTL
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CDUS43 KLSX 220730
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
229 AM CDT SAT SEP 22 2018


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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 21 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         83    253 PM  97    1881  78      5       89       
  MINIMUM         64   1159 PM  40    1983  58      6       75       
  AVERAGE         74                        68      6       82      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.05          1.78 1947   0.10  -0.05     0.00    
  MONTH TO DATE    1.65                      2.16  -0.51     0.27    
  SINCE SEP 1      1.65                      2.16  -0.51     0.27    
  SINCE JAN 1     32.33                     29.91   2.42    30.57    
                                                                     
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                         2     -2        0       
  MONTH TO DATE    0                        13    -13        6       
  SINCE SEP 1      0                        13    -13        6       
  SINCE JUL 1      0                        14    -14        6       
                                                                     
 COOLING                                                             
  YESTERDAY        9                         5      4       17       
  MONTH TO DATE  278                       169    109      170       
  SINCE SEP 1    278                       169    109      170       
  SINCE JAN 1   2034                      1568    466     1772       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    11.4                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.8                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  HEAVY RAIN                                                         
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    71          1000 AM                                     
 LOWEST     47           300 PM                                     
 AVERAGE    59                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78        95      2017                    
                                             1956                    
 MINIMUM TEMPERATURE (F)   58        40      1995                    
                                             1974                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 22 2018.....SUNRISE   649 AM CDT   SUNSET   658 PM CDT   
SEPTEMBER 23 2018.....SUNRISE   650 AM CDT   SUNSET   657 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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