AFOS product CLIALO
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CLIALO

CLIMATE REPORT 
NATIONAL WEATHER SERVICE DES MOINES IA
128 AM CDT MON SEP 29 2025

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

...THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 28 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         84    355 PM  93    1904  72     12       88       
  MINIMUM         43    348 AM  21    1942  48     -5       55       
  AVERAGE         64                        60      4       72     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.34 1974   0.10  -0.10     0.00     
  MONTH TO DATE    0.89                      2.94  -2.05     0.44     
  SINCE SEP 1      0.89                      2.94  -2.05     0.44     
  SINCE JAN 1     31.55                     30.04   1.51    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                         7     -6        0        
  MONTH TO DATE   53                        94    -41       34        
  SINCE SEP 1     53                        94    -41       34        
  SINCE JUL 1     68                       107    -39       40        

 COOLING                                                              
  YESTERDAY        0                         2     -2        7        
  MONTH TO DATE  114                        95     19      134        
  SINCE SEP 1    114                        95     19      134        
  SINCE JAN 1    921                       901     20      956        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION    SE (120)       
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     S (180)       
  AVERAGE WIND SPEED     3.3                                        


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           400 AM                                      
 LOWEST     29           100 PM                                      
 AVERAGE    63                                                        

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


THE WATERLOO IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   72        91      1897                      
 MINIMUM TEMPERATURE (F)   47        22      1967                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 29 2025.....SUNRISE   705 AM CDT   SUNSET   654 PM CDT     
SEPTEMBER 30 2025.....SUNRISE   706 AM CDT   SUNSET   652 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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