766  
CDUS43 KDMX 180630  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
130 AM CDT SUN MAY 18 2025  
   
...............................
 
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR MAY 17 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 65 504 PM 90 1936 73 -8 80  
1996  
MINIMUM 48 1159 PM 36 2009 51 -3 51  
AVERAGE 57 62 -5 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.18 1974 0.16 -0.16 0.00  
MONTH TO DATE 0.12 2.70 -2.58 3.80  
SINCE MAR 1 3.32 8.69 -5.37 11.78  
SINCE JAN 1 4.76 11.11 -6.35 15.41  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 5 3 0  
MONTH TO DATE 77 117 -40 65  
SINCE MAR 1 1015 1334 -319 1064  
SINCE JUL 1 5454 6085 -631 5074  
 
COOLING  
YESTERDAY 0 2 -2 1  
MONTH TO DATE 30 23 7 7  
SINCE MAR 1 47 34 13 20  
SINCE JAN 1 47 34 13 20    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 14.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 500 AM  
LOWEST 45 200 PM  
AVERAGE 58  
   
......................................................
 
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 92 1962  
MINIMUM TEMPERATURE (F) 52 34 2002  
 
SUNRISE AND SUNSET  
MAY 18 2025...........SUNRISE 549 AM CDT SUNSET 824 PM CDT  
MAY 19 2025...........SUNRISE 548 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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