915  
CDUS43 KDMX 260628  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
128 AM CDT TUE MAY 26 2026  
   
...............................  
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR MAY 25 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 84 350 PM 93 1953 76 8 67  
MINIMUM 55 507 AM 32 1925 55 0 56  
AVERAGE 70 65 5 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.99 2011 0.17 -0.17 T  
MONTH TO DATE 2.03 4.03 -2.00 0.82  
SINCE MAR 1 7.86 10.02 -2.16 4.02  
SINCE JAN 1 8.34 12.44 -4.10 5.46  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 3  
MONTH TO DATE 149 148 1 129  
SINCE MAR 1 1012 1365 -353 1067  
SINCE JUL 1 5399 6116 -717 5506  
 
COOLING  
YESTERDAY 5 3 2 0  
MONTH TO DATE 35 45 -10 30  
SINCE MAR 1 83 56 27 47  
SINCE JAN 1 83 56 27 47    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 11.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 500 AM  
LOWEST 34 100 PM  
AVERAGE 62  
   
......................................................  
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 95 1926  
MINIMUM TEMPERATURE (F) 55 36 1925  
 
SUNRISE AND SUNSET  
MAY 26 2026...........SUNRISE 543 AM CDT SUNSET 831 PM CDT  
MAY 27 2026...........SUNRISE 542 AM CDT SUNSET 832 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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