219  
CDUS43 KDMX 010634  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
134 AM CDT SUN JUN 01 2025  
   
...............................  
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR MAY 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 83 236 PM 103 1934 78 5 78  
MINIMUM 53 507 AM 40 1930 57 -4 57  
AVERAGE 68 67 1 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.00 1987 0.18 -0.18 T  
MONTH TO DATE 0.83 5.03 -4.20 5.20  
SINCE MAR 1 4.03 11.02 -6.99 13.18  
SINCE JAN 1 5.47 13.44 -7.97 16.81  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 138 162 -24 83  
SINCE MAR 1 1076 1379 -303 1082  
SINCE JUL 1 5515 6130 -615 5092  
 
COOLING  
YESTERDAY 3 4 -1 3  
MONTH TO DATE 34 67 -33 45  
SINCE MAR 1 51 78 -27 58  
SINCE JAN 1 51 78 -27 58    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 7.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 500 AM  
LOWEST 33 200 PM  
AVERAGE 58  
   
......................................................  
 
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 2025..........SUNRISE 539 AM CDT SUNSET 836 PM CDT  
JUNE 2 2025..........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.  
 
 
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