902  
CDUS43 KDMX 240635  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
135 AM CDT SUN AUG 24 2025  
   
...............................
 
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR AUGUST 23 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 79 214 PM 102 1948 83 -4 78  
MINIMUM 56 1034 PM 44 1923 61 -5 51  
AVERAGE 68 72 -4 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 3.24 2007 0.14 -0.13 0.00  
MONTH TO DATE 2.16 3.24 -1.08 1.14  
SINCE JUN 1 11.10 12.49 -1.39 10.30  
SINCE JAN 1 16.57 25.93 -9.36 27.11  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 8  
SINCE JUN 1 7 19 -12 9  
SINCE JUL 1 0 2 -2 8  
 
COOLING  
YESTERDAY 3 7 -4 0  
MONTH TO DATE 201 203 -2 125  
SINCE JUN 1 802 733 69 657  
SINCE JAN 1 853 811 42 715    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 10.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 400 AM  
LOWEST 42 100 PM  
AVERAGE 70  
   
......................................................
 
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 107 1936  
MINIMUM TEMPERATURE (F) 61 43 1942  
 
SUNRISE AND SUNSET  
AUGUST 24 2025........SUNRISE 629 AM CDT SUNSET 755 PM CDT  
AUGUST 25 2025........SUNRISE 630 AM CDT SUNSET 753 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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