AFOS product CLIALO
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CLIALO

CLIMATE REPORT 
NATIONAL WEATHER SERVICE DES MOINES IA
145 AM CDT SUN SEP 28 2025

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

...THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 27 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         85    234 PM  89    1905  73     12       84       
                                      1954                           
                                      2021                           
  MINIMUM         52   1159 PM  28    1928  48      4       47       
  AVERAGE         69                        60      9       66     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.53 1965   0.09  -0.09     0.00     
  MONTH TO DATE    0.89                      2.84  -1.95     0.44     
  SINCE SEP 1      0.89                      2.84  -1.95     0.44     
  SINCE JAN 1     31.55                     29.94   1.61    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      MM                                                  

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         6     -6        0        
  MONTH TO DATE   52                        87    -35       34        
  SINCE SEP 1     52                        87    -35       34        
  SINCE JUL 1     67                       100    -33       40        

 COOLING                                                              
  YESTERDAY        4                         2      2        1        
  MONTH TO DATE  114                        93     21      127        
  SINCE SEP 1    114                        93     21      127        
  SINCE JAN 1    921                       899     22      949        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (280)       
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (270)       
  AVERAGE WIND SPEED     8.1                                        


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75           600 AM                                      
 LOWEST     37           200 PM                                      
 AVERAGE    56                                                        

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


THE WATERLOO IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   72        93      1904                      
 MINIMUM TEMPERATURE (F)   48        21      1942                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 28 2025.....SUNRISE   704 AM CDT   SUNSET   656 PM CDT     
SEPTEMBER 29 2025.....SUNRISE   705 AM CDT   SUNSET   654 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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