AFOS product CLISTL
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CDUS43 KLSX 200728
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
227 AM CDT FRI APR 20 2018


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

...THE ST. LOUIS CLIMATE SUMMARY FOR APRIL 19 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         56    510 PM  88    2017  69    -13       88       
                                      2011                          
                                      1948                          
  MINIMUM         35    450 AM  26    1983  49    -14       65       
  AVERAGE         46                        59    -13       77      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.83 1874   0.12  -0.12     0.00    
  MONTH TO DATE    2.19                      2.28  -0.09     2.73    
  SINCE MAR 1      9.31                      5.60   3.71     6.97    
  SINCE JAN 1     15.79                     10.24   5.55     9.26    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        T   R         T    2013   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        0       
  MONTH TO DATE  369                       202    167       86       
  SINCE MAR 1   1043                       790    253      553       
  SINCE JUL 1   4514                      4388    126     3286       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         2     -2       12       
  MONTH TO DATE   13                        20     -7       56       
  SINCE MAR 1     13                        27    -14       62       
  SINCE JAN 1     13                        27    -14       64       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED     9.5                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT SNOW                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    70           600 AM                                     
 LOWEST     38           400 PM                                     
 AVERAGE    54                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   69        89      1987                    
 MINIMUM TEMPERATURE (F)   49        28      1904                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 20 2018.........SUNRISE   618 AM CDT   SUNSET   743 PM CDT   
APRIL 21 2018.........SUNRISE   617 AM CDT   SUNSET   744 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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