AFOS product CLISTL
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CDUS43 KLSX 180739
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
238 AM CDT WED APR 18 2018


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

...THE ST. LOUIS CLIMATE SUMMARY FOR APRIL 17 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         60    500 PM  91    1937  68     -8       71       
  MINIMUM         31    528 AM  22    1875  48    -17       54       
  AVERAGE         46                        58    -12       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.87 1887   0.13  -0.13     0.01    
  MONTH TO DATE    2.19                      2.04   0.15     2.73    
  SINCE MAR 1      9.31                      5.36   3.95     6.97    
  SINCE JAN 1     15.79                     10.00   5.79     9.26    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           2.1  1983   0.0    0.0      0.0     
  MONTH TO DATE    0.6                       0.3    0.3      0.0     
  SINCE MAR 1      1.6                       2.6   -1.0      1.8     
  SINCE JUL 1      7.1                      17.6  -10.5      3.2     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       19                         8     11        2       
  MONTH TO DATE  339                       186    153       86       
  SINCE MAR 1   1013                       774    239      553       
  SINCE JUL 1   4484                      4372    112     3286       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE   13                        17     -4       43       
  SINCE MAR 1     13                        24    -11       49       
  SINCE JAN 1     13                        24    -11       51       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     E (90)       
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     E (90)       
  AVERAGE WIND SPEED     6.4                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.2                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    78           400 AM                                     
 LOWEST     36           200 PM                                     
 AVERAGE    57                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        93      2002                    
 MINIMUM TEMPERATURE (F)   48        29      1953                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 18 2018.........SUNRISE   621 AM CDT   SUNSET   741 PM CDT   
APRIL 19 2018.........SUNRISE   620 AM CDT   SUNSET   742 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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