074  
CDUS43 KDMX 150629  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
129 AM CDT FRI AUG 15 2025  
   
...............................
 
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR AUGUST 14 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 81 449 PM 109 1936 84 -3 78  
MINIMUM 58 546 AM 47 2013 63 -5 62  
AVERAGE 70 74 -4 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.19 1952 0.15 -0.15 0.16  
MONTH TO DATE 2.08 1.87 0.21 0.50  
SINCE JUN 1 11.02 11.12 -0.10 9.66  
SINCE JAN 1 16.49 24.56 -8.07 26.47  
 
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 5 9 -4 5  
MONTH TO DATE 101 132 -31 86  
SINCE JUN 1 702 662 40 618  
SINCE JAN 1 753 740 13 676    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 5.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 AM  
LOWEST 56 300 PM  
AVERAGE 78  
   
......................................................
 
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 105 1936  
MINIMUM TEMPERATURE (F) 63 45 2004  
 
SUNRISE AND SUNSET  
AUGUST 15 2025........SUNRISE 620 AM CDT SUNSET 808 PM CDT  
AUGUST 16 2025........SUNRISE 621 AM CDT SUNSET 806 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IA Page Main Text Page