AFOS product CLIALO
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download
797 
CDUS43 KDMX 200644
CLIALO

CLIMATE REPORT 
NATIONAL WEATHER SERVICE DES MOINES IA
144 AM CDT SAT SEP 20 2025

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

...THE WATERLOO IA CLIMATE SUMMARY FOR SEPTEMBER 19 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         77    346 PM  95    1925  76      1       90       
  MINIMUM         62   1158 PM  32    1991  51     11       68       
  AVERAGE         70                        64      6       79     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.06          4.50 1919   0.11  -0.05     0.34     
  MONTH TO DATE    0.58                      2.05  -1.47     0.44     
  SINCE SEP 1      0.58                      2.05  -1.47     0.44     
  SINCE JAN 1     31.24                     29.15   2.09    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                         4     -4        0        
  MONTH TO DATE   50                        45      5       16        
  SINCE SEP 1     50                        45      5       16        
  SINCE JUL 1     65                        58      7       22        

 COOLING                                                              
  YESTERDAY        5                         3      2       14        
  MONTH TO DATE   92                        76     16      104        
  SINCE SEP 1     92                        76     16      104        
  SINCE JAN 1    899                       882     17      926        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (190)       
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (190)       
  AVERAGE WIND SPEED     8.2                                        


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT RAIN                                                          
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           600 AM                                      
 LOWEST     62           300 PM                                      
 AVERAGE    79                                                        

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


THE WATERLOO IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   76        96      2022                      
 MINIMUM TEMPERATURE (F)   51        27      1991                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 20 2025.....SUNRISE   655 AM CDT   SUNSET   710 PM CDT     
SEPTEMBER 21 2025.....SUNRISE   656 AM CDT   SUNSET   708 PM CDT     


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




$$