AFOS product CLISTL
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CDUS43 KLSX 140728
CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CDT WED MAY 14 2025

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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 13 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         82    356 PM  91    1915  76      6       79       
                                      2018                           
  MINIMUM         63    349 AM  40    1938  57      6       65       
                                      1971                           
  AVERAGE         73                        66      7       72     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.70 1985   0.16  -0.16     0.02     
  MONTH TO DATE    1.28                      2.13  -0.85     2.05     
  SINCE MAR 1     15.04                     10.36   4.68    12.37     
  SINCE JAN 1     19.03                     15.18   3.85    16.80     

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                        45      0        2        
  SINCE MAR 1    597                       883   -286      545        
  SINCE JUL 1   3822                      4402   -580     3351        

 COOLING                                                              
  YESTERDAY        8                         4      4        7        
  MONTH TO DATE   22                        41    -19       67        
  SINCE MAR 1     88                        85      3      155        
  SINCE JAN 1     88                        86      2      155        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     E (110)       
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SE (150)       
  AVERAGE WIND SPEED     3.9                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.6                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  FOG                                                                 
  FOG W/VISIBILITY <= 1/4 MILE                                        


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1200 AM                                      
 LOWEST     41           400 PM                                      
 AVERAGE    67                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   76        93      2013                      
 MINIMUM TEMPERATURE (F)   57        37      1920                      


SUNRISE AND SUNSET                                                    
MAY 14 2025...........SUNRISE   550 AM CDT   SUNSET   806 PM CDT     
MAY 15 2025...........SUNRISE   549 AM CDT   SUNSET   807 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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