735  
CDUS43 KDMX 040646  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
146 AM CDT SAT OCT 04 2025  
   
...............................  
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR OCTOBER 3 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 91 MM 95 1997 70 21 80  
MINIMUM 59 MM 26 1987 45 14 43  
AVERAGE 75 58 17 62  
 
PRECIPITATION (IN)  
YESTERDAY MM 0.90 1925 0.10 MM 0.01  
MONTH TO DATE 0.00 0.32 -0.32 0.01  
SINCE SEP 1 0.89 3.46 -2.57 0.45  
SINCE JAN 1 31.55 30.56 0.99 34.10  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1999 0.0 0.0 0.0  
2014  
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 8 -8 3  
MONTH TO DATE 0 24 -24 16  
SINCE SEP 1 53 133 -80 50  
SINCE JUL 1 68 146 -78 56  
 
COOLING  
YESTERDAY 10 1 9 0  
MONTH TO DATE 24 3 21 0  
SINCE SEP 1 151 100 51 143  
SINCE JAN 1 958 906 52 965    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 6.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 600 AM  
LOWEST 36 400 PM  
AVERAGE 63  
   
......................................................  
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 89 1897  
1922  
1938  
MINIMUM TEMPERATURE (F) 45 22 1935  
 
SUNRISE AND SUNSET  
OCTOBER 4 2025.......SUNRISE 710 AM CDT SUNSET 645 PM CDT  
OCTOBER 5 2025.......SUNRISE 712 AM CDT SUNSET 643 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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