851  
CDUS43 KDMX 180639  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
139 AM CDT THU JUN 18 2026  
   
...............................  
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR JUNE 17 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1920 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 83 423 PM 98 1936 83 0 88  
MINIMUM 59 644 AM 46 1960 62 -3 62  
AVERAGE 71 72 -1 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.47 2.41 1935 0.17 0.30 T  
MONTH TO DATE 3.27 3.12 0.15 0.47  
SINCE JUN 1 3.27 3.12 0.15 0.47  
SINCE JAN 1 11.64 16.56 -4.92 5.94  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 4 13 -9 7  
SINCE JUN 1 4 13 -9 7  
SINCE JUL 1 5403 6143 -740 5522  
 
COOLING  
YESTERDAY 6 8 -2 10  
MONTH TO DATE 123 101 22 86  
SINCE JUN 1 123 101 22 86  
SINCE JAN 1 251 179 72 137    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 12.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 700 AM  
LOWEST 48 700 PM  
AVERAGE 73  
   
......................................................  
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 101 1953  
MINIMUM TEMPERATURE (F) 62 50 1950  
 
SUNRISE AND SUNSET  
JUNE 18 2026..........SUNRISE 537 AM CDT SUNSET 845 PM CDT  
JUNE 19 2026..........SUNRISE 537 AM CDT SUNSET 845 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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