AFOS product CLISTL
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CDUS43 KLSX 310731
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
231 AM CDT WED MAY 31 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 30 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         83    348 PM  97    1934  80      3       91       
  MINIMUM         60    508 AM  42    1889  62     -2       67       
  AVERAGE         72                        71      1       79      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.63 1974   0.17  -0.17      T      
  MONTH TO DATE    6.00                      4.56   1.44     4.67    
  SINCE MAR 1     20.61                     11.57   9.04    11.45    
  SINCE JAN 1     22.90                     16.21   6.69    13.05    
                                                                     
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      1.8                       2.7   -0.9      0.3     
  SINCE JUL 1      3.2                      17.7  -14.5     10.9     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE   57                        74    -17       83       
  SINCE MAR 1    664                       932   -268      654       
  SINCE JUL 1   3397                      4530  -1133     3484       
                                                                     
 COOLING                                                             
  YESTERDAY        7                         7      0       14       
  MONTH TO DATE  169                       121     48      121       
  SINCE MAR 1    242                       167     75      181       
  SINCE JAN 1    244                       167     77      181       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED     6.6                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    84           500 AM                                     
 LOWEST     28           300 PM                                     
 AVERAGE    56                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   81        98      1934                    
 MINIMUM TEMPERATURE (F)   62        42      1889                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 31 2017...........SUNRISE   539 AM CDT   SUNSET   820 PM CDT   
JUNE  1 2017..........SUNRISE   538 AM CDT   SUNSET   821 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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