676  
CDUS43 KDMX 020631  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
131 AM CDT SAT AUG 02 2025  
   
...............................
 
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR AUGUST 1 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 76 336 PM 102 1941 85 -9 84  
1988  
MINIMUM 56 530 AM 49 1936 64 -8 68  
AVERAGE 66 75 -9 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.03 1933 0.13 -0.13 0.03  
2000  
MONTH TO DATE 0.00 0.13 -0.13 0.03  
SINCE JUN 1 8.94 9.38 -0.44 9.19  
SINCE JAN 1 14.41 22.82 -8.41 26.00  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 7 19 -12 1  
SINCE JUL 1 0 2 -2 0  
 
COOLING  
YESTERDAY 1 10 -9 11  
MONTH TO DATE 1 10 -9 11  
SINCE JUN 1 602 540 62 543  
SINCE JAN 1 653 618 35 601    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 6.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 500 AM  
LOWEST 41 1200 PM  
AVERAGE 64  
   
......................................................
 
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 105 1947  
MINIMUM TEMPERATURE (F) 64 50 1936  
 
SUNRISE AND SUNSET  
AUGUST 2 2025........SUNRISE 607 AM CDT SUNSET 825 PM CDT  
AUGUST 3 2025........SUNRISE 608 AM CDT SUNSET 823 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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