378  
CDUS43 KDMX 170641  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
141 AM CDT THU JUL 17 2025  
   
...............................  
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR JULY 16 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 85 307 PM 109 1936 86 -1 82  
MINIMUM 69 1159 PM 49 2014 65 4 63  
AVERAGE 77 75 2 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 2.52 1982 0.12 -0.09 T  
MONTH TO DATE 1.55 2.17 -0.62 2.10  
SINCE JUN 1 5.52 7.55 -2.03 4.26  
SINCE JAN 1 10.99 20.99 -10.00 21.07  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 7 17 -10 1  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 12 10 2 8  
MONTH TO DATE 171 160 11 142  
SINCE JUN 1 423 375 48 410  
SINCE JAN 1 474 453 21 468    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 9.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 200 AM  
LOWEST 61 500 PM  
AVERAGE 79  
   
......................................................  
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 107 1936  
MINIMUM TEMPERATURE (F) 65 51 2009  
 
SUNRISE AND SUNSET  
JULY 17 2025..........SUNRISE 552 AM CDT SUNSET 839 PM CDT  
JULY 18 2025..........SUNRISE 553 AM CDT SUNSET 839 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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