378  
CDUS43 KDMX 210632  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
132 AM CDT MON SEP 21 2026  
   
...............................  
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR SEPTEMBER 20 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 95 1940 76 MM 70  
MINIMUM MM MM 32 2006 52 MM 60  
AVERAGE MM 64 MM 65  
 
PRECIPITATION (IN)  
YESTERDAY MM 3.31 1965 0.11 MM 0.01  
MONTH TO DATE T 2.43 -2.43 0.38  
SINCE SEP 1 T 2.43 -2.43 0.38  
SINCE JAN 1 19.26 29.56 -10.30 16.95  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 4 MM 0  
MONTH TO DATE MM 45 MM 38  
SINCE SEP 1 MM 45 MM 38  
SINCE JUL 1 0 54 -54 49  
 
COOLING  
YESTERDAY MM 3 MM 0  
MONTH TO DATE MM 87 MM 103  
SINCE SEP 1 MM 87 MM 103  
SINCE JAN 1 997 950 47 979    
...............................................................  
 
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) 76 95 1937  
1940  
MINIMUM TEMPERATURE (F) 51 36 1999  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2026.....SUNRISE 656 AM CDT SUNSET 708 PM CDT  
SEPTEMBER 22 2026.....SUNRISE 657 AM CDT SUNSET 707 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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