817  
CDUS43 KDMX 190634  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
134 AM CDT MON MAY 19 2025  
   
...............................  
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR MAY 18 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 76 442 PM 92 1962 74 2 86  
MINIMUM 39 313 AM 34 2002 52 -13 62  
AVERAGE 58 63 -5 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.23 1927 0.17 -0.17 0.00  
MONTH TO DATE 0.12 2.87 -2.75 3.80  
SINCE MAR 1 3.32 8.86 -5.54 11.78  
SINCE JAN 1 4.76 11.28 -6.52 15.41  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 5 2 0  
MONTH TO DATE 84 122 -38 65  
SINCE MAR 1 1022 1339 -317 1064  
SINCE JUL 1 5461 6090 -629 5074  
 
COOLING  
YESTERDAY 0 2 -2 9  
MONTH TO DATE 30 25 5 16  
SINCE MAR 1 47 36 11 29  
SINCE JAN 1 47 36 11 29    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 7.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 300 AM  
LOWEST 27 400 PM  
AVERAGE 55  
   
......................................................  
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 90 1934  
1962  
1998  
MINIMUM TEMPERATURE (F) 52 34 2002  
 
SUNRISE AND SUNSET  
MAY 19 2025...........SUNRISE 548 AM CDT SUNSET 825 PM CDT  
MAY 20 2025...........SUNRISE 547 AM CDT SUNSET 826 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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