AFOS product CLIALO
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CLIALO

CLIMATE REPORT 
NATIONAL WEATHER SERVICE DES MOINES IA
140 AM CDT THU SEP 25 2025

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

...THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 24 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         78    234 PM  91    1984  74      4       77       
                                      2017                           
  MINIMUM         54   1159 PM  29    1989  49      5       49       
                                      2012                           
  AVERAGE         66                        62      4       63     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.71 1910   0.10  -0.10     0.00     
  MONTH TO DATE    0.89                      2.55  -1.66     0.44     
  SINCE SEP 1      0.89                      2.55  -1.66     0.44     
  SINCE JAN 1     31.55                     29.65   1.90    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        2        
  MONTH TO DATE   51                        69    -18       33        
  SINCE SEP 1     51                        69    -18       33        
  SINCE JUL 1     66                        82    -16       39        

 COOLING                                                              
  YESTERDAY        1                         2     -1        0        
  MONTH TO DATE  105                        87     18      126        
  SINCE SEP 1    105                        87     18      126        
  SINCE JAN 1    912                       893     19      948        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     N (20)        
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     N (20)        
  AVERAGE WIND SPEED     4.7                                        


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           300 AM                                      
 LOWEST     45           300 PM                                      
 AVERAGE    73                                                        

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


THE WATERLOO IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   74        92      1920                      
 MINIMUM TEMPERATURE (F)   49        27      1942                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 25 2025.....SUNRISE   701 AM CDT   SUNSET   701 PM CDT     
SEPTEMBER 26 2025.....SUNRISE   702 AM CDT   SUNSET   659 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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