966  
CDUS43 KDMX 010630  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
130 AM CDT FRI AUG 01 2025  
   
...............................
 
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR JULY 31 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 77 314 PM 104 1988 86 -9 83  
MINIMUM 60 1159 PM 47 1936 64 -4 66  
AVERAGE 69 75 -6 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.20 2021 0.12 -0.12 1.92  
MONTH TO DATE 4.97 3.87 1.10 7.00  
SINCE JUN 1 8.94 9.25 -0.31 9.16  
SINCE JAN 1 14.41 22.69 -8.28 25.97  
 
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 4 10 -6 10  
MONTH TO DATE 349 315 34 264  
SINCE JUN 1 601 530 71 532  
SINCE JAN 1 652 608 44 590    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 10.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 50 300 PM  
AVERAGE 72  
   
......................................................
 
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 102 1941  
1988  
MINIMUM TEMPERATURE (F) 64 49 1936  
 
SUNRISE AND SUNSET  
AUGUST 1 2025........SUNRISE 606 AM CDT SUNSET 826 PM CDT  
AUGUST 2 2025........SUNRISE 607 AM CDT SUNSET 825 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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