AFOS product CLIALO
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CLIALO

CLIMATE REPORT 
NATIONAL WEATHER SERVICE DES MOINES IA
211 AM CDT WED MAY 21 2025

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

...THE WATERLOO IA CLIMATE SUMMARY FOR MAY 20 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         58    102 PM  97    1934  74    -16       80       
  MINIMUM         49    743 AM  31    1924  52     -3       63       
                                      1954                           
  AVERAGE         54                        63     -9       72     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.33          1.28 1933   0.15   0.18     0.91     
  MONTH TO DATE    1.18                      2.84  -1.66     5.74     
  SINCE MAR 1      9.31                      8.86   0.45    12.22     
  SINCE JAN 1      9.85                     11.10  -1.25    14.94     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0          MM      MM   0.0    0.0      0.0      
  MONTH TO DATE    0.0                       0.1   -0.1      0.0      
  SINCE MAR 1      4.2                       6.4   -2.2      4.9      
  SINCE JUL 1     17.1                      39.1  -22.0     32.3      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       11                         4      7        0        
  MONTH TO DATE   96                       140    -44       74        
  SINCE MAR 1   1185                      1494   -309     1225        
  SINCE JUL 1   5930                      6664   -734     5447        

 COOLING                                                              
  YESTERDAY        0                         2     -2        7        
  MONTH TO DATE   33                        27      6       22        
  SINCE MAR 1     42                        35      7       26        
  SINCE JAN 1     42                        35      7       26        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    32   HIGHEST WIND DIRECTION     E (100)       
  HIGHEST GUST SPEED    44   HIGHEST GUST DIRECTION     E (100)       
  AVERAGE WIND SPEED    15.1                                        


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1100 PM                                      
 LOWEST     89           100 AM                                      
 AVERAGE    95                                                        

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


THE WATERLOO IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   75        93      1934                      
 MINIMUM TEMPERATURE (F)   52        33      1931                      


SUNRISE AND SUNSET                                                    
MAY 21 2025...........SUNRISE   542 AM CDT   SUNSET   831 PM CDT     
MAY 22 2025...........SUNRISE   541 AM CDT   SUNSET   832 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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