AFOS product CLICOU
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105 
CDUS43 KLSX 210749
CLICOU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
249 AM CDT WED MAY 21 2025

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR MAY 20 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1890 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         75    148 PM  92    1902  77     -2       84       
  MINIMUM         56   1159 PM  36    1894  57     -1       68       
  AVERAGE         66                        67     -1       76     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.04          1.48 2013   0.14  -0.10      T       
  MONTH TO DATE    2.03                      3.19  -1.16     2.90     
  SINCE MAR 1     11.01                     11.04  -0.03    10.85     
  SINCE JAN 1     12.83                     15.28  -2.45    13.79     

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      0.4                       1.7   -1.3       T       
  SINCE JUL 1     18.6                      16.5    2.1      8.6      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         2     -2        0        
  MONTH TO DATE   52                        73    -21       12        
  SINCE MAR 1    677                       954   -277      650        
  SINCE JUL 1   4309                      4659   -350     3891        

 COOLING                                                              
  YESTERDAY        1                         4     -3       11        
  MONTH TO DATE   42                        56    -14       78        
  SINCE MAR 1     87                        88     -1      122        
  SINCE JAN 1     87                        88     -1      122        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (270)       
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     W (270)       
  AVERAGE WIND SPEED    12.0                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.5                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           300 AM                                      
 LOWEST     56           700 PM                                      
 AVERAGE    78                                                        

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


THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   77        93      1956                      
 MINIMUM TEMPERATURE (F)   57        37      1892                      


SUNRISE AND SUNSET                                                    
MAY 21 2025...........SUNRISE   552 AM CDT   SUNSET   820 PM CDT     
MAY 22 2025...........SUNRISE   551 AM CDT   SUNSET   821 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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