166  
CDUS43 KDMX 210635  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
135 AM CDT MON JUL 21 2025  
   
...............................
 
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR JULY 20 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 85 440 PM 111 1934 86 -1 75  
MINIMUM 70 720 AM 53 1929 65 5 63  
1941  
2009  
AVERAGE 78 75 3 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.21 1.45 1997 0.11 0.10 T  
MONTH TO DATE 2.58 2.64 -0.06 2.10  
SINCE JUN 1 6.55 8.02 -1.47 4.26  
SINCE JAN 1 12.02 21.46 -9.44 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 13 10 3 4  
MONTH TO DATE 204 200 4 153  
SINCE JUN 1 456 415 41 421  
SINCE JAN 1 507 493 14 479    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 6.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 100 AM  
LOWEST 70 300 PM  
AVERAGE 84  
   
......................................................
 
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 110 1934  
MINIMUM TEMPERATURE (F) 65 47 1944  
 
SUNRISE AND SUNSET  
JULY 21 2025..........SUNRISE 556 AM CDT SUNSET 836 PM CDT  
JULY 22 2025..........SUNRISE 557 AM CDT SUNSET 835 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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