222  
CDUS43 KDMX 230640  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
140 AM CDT FRI MAY 23 2025  
   
...............................  
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR MAY 22 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 62 500 PM 95 1925 75 -13 76  
MINIMUM 44 517 AM 34 1963 53 -9 53  
AVERAGE 53 64 -11 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.04 1941 0.17 -0.17 0.00  
MONTH TO DATE 0.82 3.53 -2.71 3.97  
SINCE MAR 1 4.02 9.52 -5.50 11.95  
SINCE JAN 1 5.46 11.94 -6.48 15.58  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 4 8 0  
MONTH TO DATE 116 138 -22 65  
SINCE MAR 1 1054 1355 -301 1064  
SINCE JUL 1 5493 6106 -613 5074  
 
COOLING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 30 36 -6 37  
SINCE MAR 1 47 47 0 50  
SINCE JAN 1 47 47 0 50    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 10.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 400 AM  
LOWEST 58 400 PM  
AVERAGE 74  
   
......................................................  
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 93 1939  
MINIMUM TEMPERATURE (F) 54 35 1931  
 
SUNRISE AND SUNSET  
MAY 23 2025...........SUNRISE 545 AM CDT SUNSET 829 PM CDT  
MAY 24 2025...........SUNRISE 544 AM CDT SUNSET 830 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