AFOS product CLISTL
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CDUS43 KLSX 010728
CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CDT THU MAY 01 2025

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

...THE ST. LOUIS CLIMATE SUMMARY FOR APRIL 30 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         75    215 PM  91    2007  73      2       83       
  MINIMUM         57    841 AM  35    1877  52      5       56       
                                      1907                           
  AVERAGE         66                        62      4       70     

PRECIPITATION (IN)                                                    
  YESTERDAY        1.00          2.86 1893   0.17   0.83     0.00     
  MONTH TO DATE   10.85                      4.73   6.12     8.16     
  SINCE MAR 1     13.76                      8.23   5.53    10.32     
  SINCE JAN 1     17.75                     13.05   4.70    14.75     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           0.0  2015   0.0    0.0      0.0      
  MONTH TO DATE    0.0                       0.2   -0.2      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                         5     -5        0        
  MONTH TO DATE  197                       263    -66      181        
  SINCE MAR 1    552                       839   -287      543        
  SINCE JUL 1   3777                      4358   -581     3349        

 COOLING                                                              
  YESTERDAY        1                         2     -1        5        
  MONTH TO DATE   44                        37      7       68        
  SINCE MAR 1     66                        44     22       88        
  SINCE JAN 1     66                        45     21       88        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (170)       
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     S (170)       
  AVERAGE WIND SPEED     8.8                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.9                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           900 PM                                      
 LOWEST     68           100 PM                                      
 AVERAGE    79                                                        

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   73        90      1936                      
 MINIMUM TEMPERATURE (F)   53        34      1963                      


SUNRISE AND SUNSET                                                    
MAY  1 2025...........SUNRISE   604 AM CDT   SUNSET   754 PM CDT     
MAY  2 2025...........SUNRISE   602 AM CDT   SUNSET   755 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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