367  
CDUS43 KDMX 230633  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
133 AM CDT SAT AUG 23 2025  
   
...............................
 
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR AUGUST 22 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 82 458 PM 104 1936 83 -1 75  
MINIMUM 56 526 AM 44 1923 61 -5 50  
AVERAGE 69 72 -3 63  
 
PRECIPITATION (IN)  
YESTERDAY T 2.61 2002 0.15 -0.15 0.00  
MONTH TO DATE 2.15 3.10 -0.95 1.14  
SINCE JUN 1 11.09 12.35 -1.26 10.30  
SINCE JAN 1 16.56 25.79 -9.23 27.11  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 2  
MONTH TO DATE 0 0 0 8  
SINCE JUN 1 7 19 -12 9  
SINCE JUL 1 0 2 -2 8  
 
COOLING  
YESTERDAY 4 8 -4 0  
MONTH TO DATE 198 196 2 125  
SINCE JUN 1 799 726 73 657  
SINCE JAN 1 850 804 46 715    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 2.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 49 500 PM  
AVERAGE 75  
   
......................................................
 
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 102 1948  
MINIMUM TEMPERATURE (F) 61 44 1923  
 
SUNRISE AND SUNSET  
AUGUST 23 2025........SUNRISE 628 AM CDT SUNSET 756 PM CDT  
AUGUST 24 2025........SUNRISE 629 AM CDT SUNSET 755 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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