AFOS product CLISTL
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CDUS43 KLSX 130747
CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
247 AM CDT TUE MAY 13 2025

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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 12 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         72    347 PM  93    2022  76     -4       84       
  MINIMUM         64    509 AM  39    1960  57      7       59       
  AVERAGE         68                        66      2       72     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.08          2.18 2002   0.17  -0.09     0.00     
  MONTH TO DATE    1.27                      1.97  -0.70     2.03     
  SINCE MAR 1     15.03                     10.20   4.83    12.35     
  SINCE JAN 1     19.02                     15.02   4.00    16.78     

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      0.3                       2.5   -2.2       T       
  SINCE JUL 1     18.6                      16.6    2.0      9.3      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         3     -3        0        
  MONTH TO DATE   45                        42      3        2        
  SINCE MAR 1    597                       880   -283      545        
  SINCE JUL 1   3822                      4399   -577     3351        

 COOLING                                                              
  YESTERDAY        3                         4     -1        7        
  MONTH TO DATE   14                        37    -23       60        
  SINCE MAR 1     80                        81     -1      148        
  SINCE JAN 1     80                        82     -2      148        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     E (100)       
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM            
  AVERAGE WIND SPEED     5.7                                        


SKY COVER                                                             
  AVERAGE SKY COVER 1.0                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90          1100 PM                                      
 LOWEST     53          1200 AM                                      
 AVERAGE    72                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   76        91      1915                      
                                             2018                     
 MINIMUM TEMPERATURE (F)   57        40      1938                      
                                             1971                     


SUNRISE AND SUNSET                                                    
MAY 13 2025...........SUNRISE   551 AM CDT   SUNSET   805 PM CDT     
MAY 14 2025...........SUNRISE   550 AM CDT   SUNSET   806 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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