926  
CDUS43 KDMX 020648  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
148 AM CDT FRI MAY 02 2025  
   
...............................
 
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR MAY 1 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 68 545 PM 97 1926 68 0 71  
MINIMUM 52 1159 PM 32 1950 45 7 48  
1966  
AVERAGE 60 56 4 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.11 1.81 1973 0.16 -0.05 T  
MONTH TO DATE 0.11 0.16 -0.05 T  
SINCE MAR 1 3.31 6.15 -2.84 7.98  
SINCE JAN 1 4.75 8.57 -3.82 11.61  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 9 -4 5  
MONTH TO DATE 5 9 -4 5  
SINCE MAR 1 943 1226 -283 1004  
SINCE JUL 1 5382 5977 -595 5014  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 1 -1 0  
SINCE MAR 1 17 12 5 13  
SINCE JAN 1 17 12 5 13    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 8.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 66 600 PM  
AVERAGE 83  
   
......................................................
 
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 89 1968  
MINIMUM TEMPERATURE (F) 46 32 1970  
2005  
2013  
 
SUNRISE AND SUNSET  
MAY 2 2025...........SUNRISE 606 AM CDT SUNSET 808 PM CDT  
MAY 3 2025...........SUNRISE 605 AM CDT SUNSET 809 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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