977  
CDUS43 KDMX 060628  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
128 AM CDT SAT SEP 06 2025  
   
...............................
 
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR SEPTEMBER 5 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1920 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 67 345 PM 102 1925 81 -14 82  
MINIMUM 48 1159 PM 42 1935 57 -9 53  
1962  
AVERAGE 58 69 -11 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.53 2018 0.13 -0.13 0.00  
MONTH TO DATE 0.24 0.65 -0.41 0.00  
SINCE SEP 1 0.24 0.65 -0.41 0.00  
SINCE JAN 1 16.81 27.78 -10.97 27.97  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 1 6 0  
MONTH TO DATE 18 5 13 8  
SINCE SEP 1 18 5 13 8  
SINCE JUL 1 29 14 15 16  
 
COOLING  
YESTERDAY 0 5 -5 3  
MONTH TO DATE 4 28 -24 4  
SINCE SEP 1 4 28 -24 4  
SINCE JAN 1 880 891 -11 814    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 11.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 1100 PM  
LOWEST 42 200 PM  
AVERAGE 64  
   
......................................................
 
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 100 1936  
MINIMUM TEMPERATURE (F) 57 43 2011  
 
SUNRISE AND SUNSET  
SEPTEMBER 6 2025.....SUNRISE 642 AM CDT SUNSET 734 PM CDT  
SEPTEMBER 7 2025.....SUNRISE 643 AM CDT SUNSET 732 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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