AFOS product CLISTL
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CDUS43 KLSX 190730
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
230 AM CDT SAT MAY 19 2018


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 18 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         72   1205 AM  94    1996  77     -5       91       
  MINIMUM         65    428 AM  39    2002  58      7       72       
  AVERAGE         69                        67      2       82      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        1.61          2.38 1890   0.15   1.46     0.00    
  MONTH TO DATE    2.99                      2.65   0.34     3.18    
  SINCE MAR 1     12.39                      9.66   2.73    17.79    
  SINCE JAN 1     18.87                     14.30   4.57    20.08    
                                                                     
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                         2     -2        0       
  MONTH TO DATE    0                        58    -58       54       
  SINCE MAR 1   1134                       916    218      661       
  SINCE JUL 1   4605                      4514     91     3394       
                                                                     
 COOLING                                                             
  YESTERDAY        4                         4      0       17       
  MONTH TO DATE  160                        54    106      105       
  SINCE MAR 1    173                       100     73      178       
  SINCE JAN 1    173                       100     73      180       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SE (140)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    SE (150)      
  AVERAGE WIND SPEED     5.8                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 1.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           600 AM                                     
 LOWEST     73          1200 AM                                     
 AVERAGE    87                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   77        94      1996                    
 MINIMUM TEMPERATURE (F)   58        40      1894                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 19 2018...........SUNRISE   546 AM CDT   SUNSET   810 PM CDT   
MAY 20 2018...........SUNRISE   545 AM CDT   SUNSET   811 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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