153  
CDUS43 KDMX 200646  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
146 AM CDT SUN JUL 20 2025  
   
...............................
 
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR JULY 19 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 86 521 PM 110 1934 86 0 78  
MINIMUM 67 751 AM 51 2024 65 2 51  
AVERAGE 77 75 2 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.82 2.47 1962 0.12 0.70 0.00  
MONTH TO DATE 2.37 2.53 -0.16 2.10  
SINCE JUN 1 6.34 7.91 -1.57 4.26  
SINCE JAN 1 11.81 21.35 -9.54 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 0  
MONTH TO DATE 191 190 1 149  
SINCE JUN 1 443 405 38 417  
SINCE JAN 1 494 483 11 475    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 7.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 400 AM  
LOWEST 70 400 PM  
AVERAGE 84  
   
......................................................
 
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 111 1934  
MINIMUM TEMPERATURE (F) 65 53 1929  
1941  
2009  
 
SUNRISE AND SUNSET  
JULY 20 2025..........SUNRISE 555 AM CDT SUNSET 837 PM CDT  
JULY 21 2025..........SUNRISE 556 AM CDT SUNSET 836 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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