189  
CDUS43 KDMX 290634  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
134 AM CDT TUE SEP 29 2026  
   
...............................  
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR SEPTEMBER 28 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 MM MM 99 1953 73 MM 88  
MINIMUM MM MM 23 1942 49 MM 56  
AVERAGE MM 61 MM 72  
 
PRECIPITATION (IN)  
YESTERDAY MM 1.32 1954 0.10 MM 0.00  
MONTH TO DATE 5.19 3.30 1.89 0.83  
SINCE SEP 1 5.19 3.30 1.89 0.83  
SINCE JAN 1 24.45 30.43 -5.98 17.40  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 6 MM 0  
MONTH TO DATE 18 86 -68 39  
SINCE SEP 1 18 86 -68 39  
SINCE JUL 1 18 95 -77 50  
 
COOLING  
YESTERDAY MM 2 MM 7  
MONTH TO DATE 205 104 101 138  
SINCE SEP 1 205 104 101 138  
SINCE JAN 1 1202 967 235 1014    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED MM  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................  
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 93 1953  
MINIMUM TEMPERATURE (F) 48 27 1984  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2026.....SUNRISE 704 AM CDT SUNSET 655 PM CDT  
SEPTEMBER 30 2026.....SUNRISE 705 AM CDT SUNSET 653 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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