AFOS product CLISTL
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CDUS43 KLSX 100745
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
245 AM CDT THU MAY 10 2018


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 9 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         88    411 PM  92    1934  74     14       88       
                                      1895                          
  MINIMUM         65    643 AM  35    1966  55     10       66       
  AVERAGE         77                        65     12       77      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.17          2.09 1949   0.14   0.03     0.00    
  MONTH TO DATE    1.20                      1.29  -0.09     2.76    
  SINCE MAR 1     10.60                      8.30   2.30    17.37    
  SINCE JAN 1     17.08                     12.94   4.14    19.66    
                                                                     
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 MAR 1      1.6                       2.7   -1.1      1.8     
  SINCE JUL 1      7.1                      17.7  -10.6      3.2     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         3     -3        0       
  MONTH TO DATE    0                        34    -34       54       
  SINCE MAR 1   1134                       892    242      661       
  SINCE JUL 1   4605                      4490    115     3394       
                                                                     
 COOLING                                                             
  YESTERDAY       12                         3      9       12       
  MONTH TO DATE   55                        21     34       16       
  SINCE MAR 1     68                        67      1       89       
  SINCE JAN 1     68                        67      1       91       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED    11.1                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    79           900 AM                                     
 LOWEST     34           500 PM                                     
 AVERAGE    57                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   75        91      1963                    
                                             1928                    
 MINIMUM TEMPERATURE (F)   55        31      1966                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 10 2018...........SUNRISE   554 AM CDT   SUNSET   802 PM CDT   
MAY 11 2018...........SUNRISE   553 AM CDT   SUNSET   803 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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