AFOS product CLICOU
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CDUS43 KLSX 170735
CLICOU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
235 AM CDT SAT MAY 17 2025

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR MAY 16 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         84   1211 PM  89    1944  76      8       76       
                                      1962                           
                                      2019                           
  MINIMUM         57    525 AM  33    1890  56      1       63       
  AVERAGE         71                        66      5       70     

PRECIPITATION (IN)                                                    
  YESTERDAY        T             2.45 1990   0.15  -0.15     0.09     
  MONTH TO DATE    0.75                      2.61  -1.86     2.90     
  SINCE MAR 1      9.73                     10.46  -0.73    10.85     
  SINCE JAN 1     11.55                     14.70  -3.15    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                         3     -3        0        
  MONTH TO DATE   52                        63    -11       12        
  SINCE MAR 1    677                       944   -267      650        
  SINCE JUL 1   4309                      4649   -340     3891        

 COOLING                                                              
  YESTERDAY        6                         4      2        5        
  MONTH TO DATE   32                        40     -8       42        
  SINCE MAR 1     77                        72      5       86        
  SINCE JAN 1     77                        72      5       86        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    35   HIGHEST WIND DIRECTION     W (250)       
  HIGHEST GUST SPEED    45   HIGHEST GUST DIRECTION     W (250)       
  AVERAGE WIND SPEED    12.5                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.0                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT RAIN                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    70          1200 AM                                      
 LOWEST     24           600 PM                                      
 AVERAGE    47                                                        

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


THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   76        91      1996                      
 MINIMUM TEMPERATURE (F)   56        35      1895                      


SUNRISE AND SUNSET                                                    
MAY 17 2025...........SUNRISE   555 AM CDT   SUNSET   816 PM CDT     
MAY 18 2025...........SUNRISE   554 AM CDT   SUNSET   817 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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