988  
CDUS43 KDMX 060637  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
137 AM CDT THU AUG 06 2026  
   
...............................  
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR AUGUST 5 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 74 505 PM 101 1930 85 -11 82  
1934  
MINIMUM 66 159 PM 49 2020 64 2 62  
AVERAGE 70 74 -4 72  
 
PRECIPITATION (IN)  
YESTERDAY 1.32 3.45 1982 0.12 1.20 0.00  
MONTH TO DATE 1.43 0.63 0.80 0.00  
SINCE JUN 1 6.77 9.88 -3.11 8.94  
SINCE JAN 1 15.14 23.32 -8.18 14.41  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 8 19 -11 7  
SINCE JUL 1 0 2 -2 0  
 
COOLING  
YESTERDAY 5 10 -5 7  
MONTH TO DATE 37 50 -13 13  
SINCE JUN 1 606 580 26 614  
SINCE JAN 1 734 658 76 665    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 8.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 76 400 PM  
AVERAGE 88  
   
......................................................  
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 111 1934  
MINIMUM TEMPERATURE (F) 64 49 2004  
2012  
 
SUNRISE AND SUNSET  
AUGUST 6 2026........SUNRISE 611 AM CDT SUNSET 820 PM CDT  
AUGUST 7 2026........SUNRISE 612 AM CDT SUNSET 819 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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