AFOS product CLIALO
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CLIALO

CLIMATE REPORT 
NATIONAL WEATHER SERVICE DES MOINES IA
136 AM CDT TUE SEP 23 2025

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

...THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 22 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         85    411 PM  94    1937  75     10       71       
  MINIMUM         58    657 PM  26    1974  50      8       48       
  AVERAGE         72                        62     10       60     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.31          3.21 2016   0.10   0.21     0.00     
  MONTH TO DATE    0.89                      2.35  -1.46     0.44     
  SINCE SEP 1      0.89                      2.35  -1.46     0.44     
  SINCE JAN 1     31.55                     29.45   2.10    34.09     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0          MM      MM   0.0    0.0      0.0      
  MONTH TO DATE    0.0                       0.0    0.0      0.0      
  SINCE SEP 1      0.0                       0.0    0.0      0.0      
  SINCE JUL 1      0.0                       0.0    0.0      0.0      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         5     -5        5        
  MONTH TO DATE   51                        59     -8       21        
  SINCE SEP 1     51                        59     -8       21        
  SINCE JUL 1     66                        72     -6       27        

 COOLING                                                              
  YESTERDAY        7                         2      5        0        
  MONTH TO DATE  102                        83     19      126        
  SINCE SEP 1    102                        83     19      126        
  SINCE JAN 1    909                       889     20      948        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     N (350)       
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION     N (340)       
  AVERAGE WIND SPEED     7.7                                        


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           600 AM                                      
 LOWEST     45           400 PM                                      
 AVERAGE    73                                                        

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


THE WATERLOO IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   74        92      2017                      
 MINIMUM TEMPERATURE (F)   50        28      1983                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 23 2025.....SUNRISE   658 AM CDT   SUNSET   704 PM CDT     
SEPTEMBER 24 2025.....SUNRISE   659 AM CDT   SUNSET   703 PM CDT     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$