208  
CDUS43 KDMX 280639  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
139 AM CDT WED MAY 28 2025  
   
...............................  
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR MAY 27 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1920 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 72 203 PM 97 2018 77 -5 74  
MINIMUM 57 910 PM 39 1992 55 2 52  
AVERAGE 65 66 -1 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.61 1973 0.17 -0.16 0.04  
MONTH TO DATE 0.83 4.36 -3.53 5.20  
SINCE MAR 1 4.03 10.35 -6.32 13.18  
SINCE JAN 1 5.47 12.77 -7.30 16.81  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 2  
MONTH TO DATE 133 154 -21 74  
SINCE MAR 1 1071 1371 -300 1073  
SINCE JUL 1 5510 6122 -612 5083  
 
COOLING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 30 52 -22 42  
SINCE MAR 1 47 63 -16 55  
SINCE JAN 1 47 63 -16 55    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 7.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 900 PM  
LOWEST 36 300 PM  
AVERAGE 60  
   
......................................................  
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 97 2018  
MINIMUM TEMPERATURE (F) 56 35 1928  
 
SUNRISE AND SUNSET  
MAY 28 2025...........SUNRISE 541 AM CDT SUNSET 833 PM CDT  
MAY 29 2025...........SUNRISE 541 AM CDT SUNSET 834 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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