AFOS product CLIALO
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CLIALO

CLIMATE REPORT 
NATIONAL WEATHER SERVICE DES MOINES IA
139 AM CDT FRI SEP 26 2025

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

...THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 25 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         80    405 PM  92    1920  74      6       82       
  MINIMUM         47    506 AM  27    1942  49     -2       46       
  AVERAGE         64                        61      3       64     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          2.30 1931   0.10  -0.10     0.00     
  MONTH TO DATE    0.89                      2.65  -1.76     0.44     
  SINCE SEP 1      0.89                      2.65  -1.76     0.44     
  SINCE JAN 1     31.55                     29.75   1.80    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        1                         6     -5        1        
  MONTH TO DATE   52                        75    -23       34        
  SINCE SEP 1     52                        75    -23       34        
  SINCE JUL 1     67                        88    -21       40        

 COOLING                                                              
  YESTERDAY        0                         2     -2        0        
  MONTH TO DATE  105                        89     16      126        
  SINCE SEP 1    105                        89     16      126        
  SINCE JAN 1    912                       895     17      948        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     W (290)       
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NW (300)       
  AVERAGE WIND SPEED     2.1                                        


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM                                      
 LOWEST     36           300 PM                                      
 AVERAGE    68                                                        

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


THE WATERLOO IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   73        88      1998                      
                                             2021                     
 MINIMUM TEMPERATURE (F)   48        26      1926                      
                                             1984                     


SUNRISE AND SUNSET                                                    
SEPTEMBER 26 2025.....SUNRISE   702 AM CDT   SUNSET   659 PM CDT     
SEPTEMBER 27 2025.....SUNRISE   703 AM CDT   SUNSET   657 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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