740  
CDUS43 KDMX 130637  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
137 AM CDT WED AUG 13 2025  
   
...............................  
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR AUGUST 12 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 82 510 PM 104 1936 85 -3 70  
MINIMUM 65 508 AM 45 1931 63 2 61  
AVERAGE 74 74 0 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.43 2.13 1943 0.13 0.30 0.31  
2000  
MONTH TO DATE 2.08 1.57 0.51 0.34  
SINCE JUN 1 11.02 10.82 0.20 9.50  
SINCE JAN 1 16.49 24.26 -7.77 26.31  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 6  
SINCE JUN 1 7 19 -12 7  
SINCE JUL 1 0 2 -2 6  
 
COOLING  
YESTERDAY 9 9 0 1  
MONTH TO DATE 89 114 -25 78  
SINCE JUN 1 690 644 46 610  
SINCE JAN 1 741 722 19 668    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 4.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 AM  
LOWEST 69 500 PM  
AVERAGE 85  
   
......................................................  
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 106 1936  
MINIMUM TEMPERATURE (F) 63 48 1964  
2004  
 
SUNRISE AND SUNSET  
AUGUST 13 2025........SUNRISE 618 AM CDT SUNSET 811 PM CDT  
AUGUST 14 2025........SUNRISE 619 AM CDT SUNSET 809 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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