532  
CDUS43 KDMX 120640  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
140 AM CDT SAT SEP 12 2026  
   
...............................  
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR SEPTEMBER 11 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 101 1936 79 MM 86  
MINIMUM MM MM 35 1940 55 MM 54  
AVERAGE MM 67 MM 70  
 
PRECIPITATION (IN)  
YESTERDAY MM 2.00 1925 0.12 MM 0.00  
MONTH TO DATE T 1.41 -1.41 0.24  
SINCE SEP 1 T 1.41 -1.41 0.24  
SINCE JAN 1 19.26 28.54 -9.28 16.81  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 2 MM 0  
MONTH TO DATE MM 16 MM 38  
SINCE SEP 1 MM 16 MM 38  
SINCE JUL 1 0 25 -25 49  
 
COOLING  
YESTERDAY MM 4 MM 5  
MONTH TO DATE MM 55 MM 15  
SINCE SEP 1 MM 55 MM 15  
SINCE JAN 1 997 918 79 891    
...............................................................  
 
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) 79 97 1939  
MINIMUM TEMPERATURE (F) 55 35 1940  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2026.....SUNRISE 647 AM CDT SUNSET 724 PM CDT  
SEPTEMBER 13 2026.....SUNRISE 648 AM CDT SUNSET 722 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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