220  
CDUS43 KDMX 010634  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
134 AM CDT MON JUN 01 2026  
   
...............................
 
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR MAY 31 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 81 507 PM 103 1934 78 3 83  
MINIMUM 62 650 AM 40 1930 57 5 53  
AVERAGE 72 67 5 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.00 1987 0.18 -0.17 0.00  
MONTH TO DATE 2.06 5.03 -2.97 0.83  
SINCE MAR 1 7.89 11.02 -3.13 4.03  
SINCE JAN 1 8.37 13.44 -5.07 5.47  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 149 162 -13 138  
SINCE MAR 1 1012 1379 -367 1076  
SINCE JUL 1 5399 6130 -731 5515  
 
COOLING  
YESTERDAY 7 4 3 3  
MONTH TO DATE 80 67 13 34  
SINCE MAR 1 128 78 50 51  
SINCE JAN 1 128 78 50 51    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 9.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 700 AM  
LOWEST 53 100 AM  
AVERAGE 66  
   
......................................................
 
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 103 1934  
MINIMUM TEMPERATURE (F) 57 42 2001  
 
SUNRISE AND SUNSET  
JUNE 1 2026..........SUNRISE 540 AM CDT SUNSET 836 PM CDT  
JUNE 2 2026..........SUNRISE 539 AM CDT SUNSET 837 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IA Page Main Text Page