564  
CDUS43 KDMX 280641  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
141 AM CDT TUE JUL 28 2026  
   
...............................  
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR JULY 27 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1920 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 94 340 PM 108 1930 86 8 91  
MINIMUM 78 1159 PM 49 2013 65 13 73  
AVERAGE 86 75 11 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.31 2.29 1957 0.11 0.20 0.00  
MONTH TO DATE 1.79 3.40 -1.61 4.21  
SINCE JUN 1 5.06 8.78 -3.72 8.18  
SINCE JAN 1 13.43 22.22 -8.79 13.65  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 8 17 -9 7  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 21 10 11 17  
MONTH TO DATE 322 270 52 307  
SINCE JUN 1 525 485 40 559  
SINCE JAN 1 653 563 90 610    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 8.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 1100 PM  
LOWEST 58 1200 PM  
AVERAGE 76  
   
......................................................  
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 105 1930  
1983  
MINIMUM TEMPERATURE (F) 64 48 2013  
 
SUNRISE AND SUNSET  
JULY 28 2026..........SUNRISE 602 AM CDT SUNSET 830 PM CDT  
JULY 29 2026..........SUNRISE 603 AM CDT SUNSET 829 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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