AFOS product CLISTL
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CDUS43 KLSX 310728
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
228 AM CDT THU AUG 31 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 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    355 PM 102    2013  86     -3       93       
  MINIMUM         63    521 AM  50    1934  67     -4       73       
  AVERAGE         73                        77     -4       83      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.04 1994   0.09  -0.09     0.18    
  MONTH TO DATE    3.30                      2.89   0.41     5.77    
  SINCE JUN 1      7.40                     11.28  -3.88    15.43    
  SINCE JAN 1     30.30                     27.65   2.65    28.48    
                                                                     
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 JUN 1      0.0                       0.0    0.0      0.0     
  SINCE JUL 1      0.0                       0.0    0.0      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE JUN 1      0                         5     -5        0       
  SINCE JUL 1      0                         0      0        0       
                                                                     
 COOLING                                                             
  YESTERDAY        8                        12     -4       18       
  MONTH TO DATE  330                       414    -84      480       
  SINCE JUN 1   1342                      1215    127     1497       
  SINCE JAN 1   1594                      1389    205     1691       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NE (40)       
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NE (30)       
  AVERAGE WIND SPEED     5.4                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           500 AM                                     
 LOWEST     51           100 PM                                     
 AVERAGE    76                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   86       103      2013                    
                                             2011                    
 MINIMUM TEMPERATURE (F)   67        49      1967                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 31 2017........SUNRISE   630 AM CDT   SUNSET   733 PM CDT   
SEPTEMBER  1 2017.....SUNRISE   631 AM CDT   SUNSET   731 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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