AFOS product CLISTL
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CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
227 AM CDT FRI MAY 25 2018


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 24 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         88    342 PM  92    2012  78     10       71       
                                      1950                          
                                      1921                          
  MINIMUM         67    425 AM  40    1961  60      7       53       
  AVERAGE         78                        69      9       62      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.15 1927   0.16  -0.16     0.00    
  MONTH TO DATE    3.55                      3.58  -0.03     5.20    
  SINCE MAR 1     12.95                     10.59   2.36    19.81    
  SINCE JAN 1     19.43                     15.23   4.20    22.10    
                                                                     
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                         1     -1        3       
  MONTH TO DATE    0                        68    -68       57       
  SINCE MAR 1   1134                       926    208      664       
  SINCE JUL 1   4605                      4524     81     3397       
                                                                     
 COOLING                                                             
  YESTERDAY       13                         5      8        0       
  MONTH TO DATE  217                        84    133      121       
  SINCE MAR 1    230                       130    100      194       
  SINCE JAN 1    230                       130    100      196       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     E (110)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SE (150)      
  AVERAGE WIND SPEED     6.7                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           400 AM                                     
 LOWEST     39           400 PM                                     
 AVERAGE    63                                                       

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

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        93      1953                    
                                             1911                    
 MINIMUM TEMPERATURE (F)   60        38      1925                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 25 2018...........SUNRISE   542 AM CDT   SUNSET   815 PM CDT   
MAY 26 2018...........SUNRISE   541 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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