293  
CDUS43 KDMX 270633  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
133 AM CDT WED AUG 27 2025  
   
...............................
 
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR AUGUST 26 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 75 210 PM 102 1936 83 -8 94  
1983  
MINIMUM 44R 532 AM 46 1934 60 -16 74  
2015  
AVERAGE 60 72 -12 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.83 1944 0.15 -0.15 0.00  
MONTH TO DATE 2.16 3.69 -1.53 1.14  
SINCE JUN 1 11.10 12.94 -1.84 10.30  
SINCE JAN 1 16.57 26.38 -9.81 27.11  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 0 5 0  
MONTH TO DATE 11 0 11 8  
SINCE JUN 1 18 19 -1 9  
SINCE JUL 1 11 2 9 8  
 
COOLING  
YESTERDAY 0 7 -7 19  
MONTH TO DATE 201 224 -23 169  
SINCE JUN 1 802 754 48 701  
SINCE JAN 1 853 832 21 759    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 3.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 37 300 PM  
AVERAGE 69  
   
......................................................
 
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 100 1936  
MINIMUM TEMPERATURE (F) 60 47 1986  
 
SUNRISE AND SUNSET  
AUGUST 27 2025........SUNRISE 632 AM CDT SUNSET 750 PM CDT  
AUGUST 28 2025........SUNRISE 633 AM CDT SUNSET 748 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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