AFOS product CLISTL
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CDUS43 KLSX 270732
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
230 AM CDT THU JUL 27 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR JULY 26 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         98    225 PM 105    1936  89      9       92       
  MINIMUM         78    603 AM  55    1962  71      7       77       
  AVERAGE         88                        80      8       85      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.05          2.24 1909   0.12  -0.07     0.15    
  MONTH TO DATE    0.66                      3.47  -2.81     8.31    
  SINCE JUN 1      3.38                      7.75  -4.37     9.60    
  SINCE JAN 1     26.28                     24.12   2.16    22.65    
                                                                     
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       23                        15      8       20       
  MONTH TO DATE  537                       390    147      435       
  SINCE JUN 1    946                       724    222      930       
  SINCE JAN 1   1198                       898    300     1124       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED     7.5                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.7                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    79           500 AM                                     
 LOWEST     42           200 PM                                     
 AVERAGE    61                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   89       106      1930                    
 MINIMUM TEMPERATURE (F)   71        51      1962                    

                                                                     
SUNRISE AND SUNSET                                                   
JULY 27 2017..........SUNRISE   559 AM CDT   SUNSET   817 PM CDT   
JULY 28 2017..........SUNRISE   600 AM CDT   SUNSET   816 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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