807  
CDUS43 KDMX 050635  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
135 AM CDT FRI SEP 05 2025  
   
...............................  
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR SEPTEMBER 4 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 71 326 PM 103 1925 81 -10 78  
MINIMUM 43R 614 AM 43 1974 57 -14 46  
AVERAGE 57 69 -12 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.17 1971 0.13 -0.13 0.00  
MONTH TO DATE 0.24 0.52 -0.28 0.00  
SINCE SEP 1 0.24 0.52 -0.28 0.00  
SINCE JAN 1 16.81 27.65 -10.84 27.97  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 1 7 3  
MONTH TO DATE 11 4 7 8  
SINCE SEP 1 11 4 7 8  
SINCE JUL 1 22 13 9 16  
 
COOLING  
YESTERDAY 0 5 -5 0  
MONTH TO DATE 4 23 -19 1  
SINCE SEP 1 4 23 -19 1  
SINCE JAN 1 880 886 -6 811    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 7.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 500 AM  
LOWEST 42 300 PM  
AVERAGE 71  
   
......................................................  
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 102 1925  
MINIMUM TEMPERATURE (F) 57 42 1935  
1962  
 
SUNRISE AND SUNSET  
SEPTEMBER 5 2025.....SUNRISE 641 AM CDT SUNSET 735 PM CDT  
SEPTEMBER 6 2025.....SUNRISE 642 AM CDT SUNSET 734 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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