AFOS product CLISTL
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CDUS43 KLSX 180728
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
128 AM CST SAT FEB 18 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR FEBRUARY 17 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         75    432 PM  77    1911  46     29       50       
  MINIMUM         50    713 AM  -6    1903  28     22       36       
  AVERAGE         63                        37     26       43      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.46 1938   0.08  -0.08     0.00    
  MONTH TO DATE    0.04                      1.36  -1.32     0.47    
  SINCE DEC 1      2.97                      6.60  -3.63    13.01    
  SINCE JAN 1      1.84                      3.76  -1.92     1.27    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           2.0  1910   0.1   -0.1      0.0     
  MONTH TO DATE    0.2                       2.7   -2.5      3.7     
  SINCE DEC 1      1.4                      12.7  -11.3      7.0     
  SINCE JUL 1      1.4                      13.4  -12.0      7.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        2                        28    -26       22       
  MONTH TO DATE  369                       515   -146      516       
  SINCE DEC 1   2130                      2483   -353     2072       
  SINCE JUL 1   2621                      3309   -688     2634       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED    11.8                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    46           700 AM                                     
 LOWEST     18           400 PM                                     
 AVERAGE    32                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   46        74      1971                    
 MINIMUM TEMPERATURE (F)   28        -9      1936                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 18 2017......SUNRISE   648 AM CST   SUNSET   543 PM CST   
FEBRUARY 19 2017......SUNRISE   647 AM CST   SUNSET   544 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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