AFOS product CLIALO
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CLIALO

CLIMATE REPORT 
NATIONAL WEATHER SERVICE DES MOINES IA
139 AM CDT FRI SEP 19 2025

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

...THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 18 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         81   1200 PM  93    1955  76      5       89       
  MINIMUM         60    503 AM  28    1929  52      8       62       
  AVERAGE         71                        64      7       76     

PRECIPITATION (IN)                                                    
  YESTERDAY        T             1.34 1900   0.10  -0.10     0.00     
                                      2018                           
  MONTH TO DATE    0.52                      1.94  -1.42     0.10     
  SINCE SEP 1      0.52                      1.94  -1.42     0.10     
  SINCE JAN 1     31.18                     29.04   2.14    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                         4     -4        0        
  MONTH TO DATE   50                        41      9       16        
  SINCE SEP 1     50                        41      9       16        
  SINCE JUL 1     65                        54     11       22        

 COOLING                                                              
  YESTERDAY        6                         3      3       11        
  MONTH TO DATE   87                        73     14       90        
  SINCE SEP 1     87                        73     14       90        
  SINCE JAN 1    894                       879     15      912        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     S (200)       
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    SW (210)       
  AVERAGE WIND SPEED     5.0                                        


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           400 AM                                      
 LOWEST     60          1200 PM                                      
 AVERAGE    80                                                        

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


THE WATERLOO IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   76        95      1925                      
 MINIMUM TEMPERATURE (F)   51        32      1991                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 19 2025.....SUNRISE   654 AM CDT   SUNSET   712 PM CDT     
SEPTEMBER 20 2025.....SUNRISE   655 AM CDT   SUNSET   710 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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