AFOS product CLISTL
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CDUS43 KLSX 150737
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
235 AM CDT TUE MAY 15 2018


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 14 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         91    333 PM  93    2013  76     15       86       
  MINIMUM         66    548 PM  37    1920  57      9       62       
  AVERAGE         79                        66     13       74      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.15          3.33 1886   0.15   0.00     0.00    
  MONTH TO DATE    1.35                      2.04  -0.69     3.18    
  SINCE MAR 1     10.75                      9.05   1.70    17.79    
  SINCE JAN 1     17.23                     13.69   3.54    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                         3     -3        0       
  MONTH TO DATE    0                        49    -49       54       
  SINCE MAR 1   1134                       907    227      661       
  SINCE JUL 1   4605                      4505    100     3394       
                                                                     
 COOLING                                                             
  YESTERDAY       14                         4     10        9       
  MONTH TO DATE  127                        38     89       47       
  SINCE MAR 1    140                        84     56      120       
  SINCE JAN 1    140                        84     56      122       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    33   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    51   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     9.7                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           900 PM                                     
 LOWEST     36           300 PM                                     
 AVERAGE    62                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   76        94      1944                    
 MINIMUM TEMPERATURE (F)   57        39      1959                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 15 2018...........SUNRISE   549 AM CDT   SUNSET   807 PM CDT   
MAY 16 2018...........SUNRISE   548 AM CDT   SUNSET   808 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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