281  
CDUS43 KDMX 100646  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
146 AM CDT SUN AUG 10 2025  
   
...............................
 
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR AUGUST 9 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 82 533 PM 113 1934 85 -3 73  
MINIMUM 75 1159 PM 47 1927 63 12 51  
AVERAGE 79 74 5 62  
 
PRECIPITATION (IN)  
YESTERDAY T 2.73 2010 0.13 -0.13 0.00  
MONTH TO DATE 0.36 1.16 -0.80 0.03  
SINCE JUN 1 9.30 10.41 -1.11 9.19  
SINCE JAN 1 14.77 23.85 -9.08 26.00  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 3  
MONTH TO DATE 0 0 0 3  
SINCE JUN 1 7 19 -12 4  
SINCE JUL 1 0 2 -2 3  
 
COOLING  
YESTERDAY 14 9 5 0  
MONTH TO DATE 62 87 -25 77  
SINCE JUN 1 663 617 46 609  
SINCE JAN 1 714 695 19 667    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 8.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1000 PM  
LOWEST 74 900 AM  
AVERAGE 86  
   
......................................................
 
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 108 1934  
MINIMUM TEMPERATURE (F) 63 49 2024  
 
SUNRISE AND SUNSET  
AUGUST 10 2025........SUNRISE 615 AM CDT SUNSET 815 PM CDT  
AUGUST 11 2025........SUNRISE 616 AM CDT SUNSET 813 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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