AFOS product CLIALO
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CLIALO

CLIMATE REPORT 
NATIONAL WEATHER SERVICE DES MOINES IA
129 AM CDT TUE OCT 21 2025

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

...THE WATERLOO IA CLIMATE SUMMARY FOR OCTOBER 20 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         70   1251 PM  87    2003  61      9       85       
  MINIMUM         38    247 AM  17    1930  39     -1       54       
                                      1952                           
  AVERAGE         54                        50      4       70     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.01          1.21 1965   0.09  -0.08     0.00     
  MONTH TO DATE    0.76                      1.90  -1.14     0.01     
  SINCE SEP 1      1.65                      5.04  -3.39     0.45     
  SINCE JAN 1     32.31                     32.14   0.17    34.10     

SNOWFALL (IN)                                                              
  YESTERDAY        0.0           1.2  1982   0.0    0.0      0.0      
  MONTH TO DATE    0.0                       0.1   -0.1      0.0      
  SINCE SEP 1      0.0                       0.1   -0.1      0.0      
  SINCE JUL 1      0.0                       0.1   -0.1      0.0      
  SNOW DEPTH       0                                                 

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       11                        15     -4        0        
  MONTH TO DATE  106                       228   -122      151        
  SINCE SEP 1    159                       337   -178      185        
  SINCE JUL 1    174                       350   -176      191        

 COOLING                                                              
  YESTERDAY        0                         0      0        5        
  MONTH TO DATE   51                        10     41       16        
  SINCE SEP 1    178                       107     71      159        
  SINCE JAN 1    985                       913     72      981        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     S (170)       
  HIGHEST GUST SPEED    42   HIGHEST GUST DIRECTION     S (190)       
  AVERAGE WIND SPEED    12.7                                        


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT RAIN                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           800 PM                                      
 LOWEST     32          1200 PM                                      
 AVERAGE    59                                                        

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


THE WATERLOO IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   60        86      1947                      
 MINIMUM TEMPERATURE (F)   38        13      1930                      


SUNRISE AND SUNSET                                                    
OCTOBER 21 2025.......SUNRISE   730 AM CDT   SUNSET   617 PM CDT     
OCTOBER 22 2025.......SUNRISE   731 AM CDT   SUNSET   616 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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