AFOS product CLIALO
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CLIALO

CLIMATE REPORT 
NATIONAL WEATHER SERVICE DES MOINES IA
129 AM CDT THU SEP 11 2025

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

...THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 10 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         82    204 PM  98    1931  79      3       83       
  MINIMUM         59    718 AM  35    1976  55      4       58       
  AVERAGE         71                        67      4       71     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.03          1.75 2006   0.11  -0.08     0.10     
  MONTH TO DATE    0.08                      1.12  -1.04     0.10     
  SINCE SEP 1      0.08                      1.12  -1.04     0.10     
  SINCE JAN 1     30.74                     28.22   2.52    33.75     

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                         2     -2        0        
  MONTH TO DATE   50                        15     35       16        
  SINCE SEP 1     50                        15     35       16        
  SINCE JUL 1     65                        28     37       22        

 COOLING                                                              
  YESTERDAY        6                         4      2        6        
  MONTH TO DATE    9                        45    -36       16        
  SINCE SEP 1      9                        45    -36       16        
  SINCE JAN 1    816                       851    -35      838        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    NE (40)        
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     E (100)       
  AVERAGE WIND SPEED     4.7                                        


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1100 PM                                      
 LOWEST     49           200 PM                                      
 AVERAGE    71                                                        

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


THE WATERLOO IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   79        98      2000                      
 MINIMUM TEMPERATURE (F)   54        32      1917                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 11 2025.....SUNRISE   646 AM CDT   SUNSET   726 PM CDT     
SEPTEMBER 12 2025.....SUNRISE   647 AM CDT   SUNSET   724 PM CDT     


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




$$