AFOS product CLIALO
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CLIALO

CLIMATE REPORT 
NATIONAL WEATHER SERVICE DES MOINES IA
131 AM CDT WED OCT 01 2025

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

...THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 30 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         88    306 PM  94    2023  71     17       86       
  MINIMUM         53    619 AM  19    1899  47      6       51       
  AVERAGE         71                        59     12       69     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.69 2007   0.10  -0.10     0.00     
  MONTH TO DATE    0.89                      3.14  -2.25     0.44     
  SINCE SEP 1      0.89                      3.14  -2.25     0.44     
  SINCE JAN 1     31.55                     30.24   1.31    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                         7     -7        0        
  MONTH TO DATE   53                       108    -55       34        
  SINCE SEP 1     53                       108    -55       34        
  SINCE JUL 1     68                       121    -53       40        

 COOLING                                                              
  YESTERDAY        6                         1      5        4        
  MONTH TO DATE  127                        97     30      143        
  SINCE SEP 1    127                        97     30      143        
  SINCE JAN 1    934                       903     31      965        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SE (140)       
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION    SE (140)       
  AVERAGE WIND SPEED     4.0                                        


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           300 AM                                      
 LOWEST     28           300 PM                                      
 AVERAGE    61                                                        

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


THE WATERLOO IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   71        93      2023                      
 MINIMUM TEMPERATURE (F)   46        23      2003                      


SUNRISE AND SUNSET                                                    
OCTOBER  1 2025.......SUNRISE   707 AM CDT   SUNSET   650 PM CDT     
OCTOBER  2 2025.......SUNRISE   708 AM CDT   SUNSET   649 PM CDT     


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




$$