740  
CDUS43 KDMX 010646  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
146 AM CDT FRI SEP 01 2023  
   
...............................
 
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR AUGUST 31 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1920 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 81 343 PM 100 1912 82 -1 89  
1947  
MINIMUM 48 559 AM 42 1915 59 -11 54  
AVERAGE 65 70 -5 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.77 1989 0.15 -0.15 0.00  
MONTH TO DATE 1.20 4.44 -3.24 1.14  
SINCE JUN 1 6.16 13.69 -7.53 5.55  
SINCE JAN 1 14.63 27.13 -12.50 15.28  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 1 3 -2 0  
SINCE JUN 1 18 22 -4 4  
SINCE JUL 1 5 5 0 0  
 
COOLING  
YESTERDAY 0 6 -6 7  
MONTH TO DATE 275 255 20 303  
SINCE JUN 1 747 785 -38 867  
SINCE JAN 1 816 863 -47 992    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 7.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 600 AM  
LOWEST 34 300 PM  
AVERAGE 65  
   
......................................................
 
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 103 1911  
MINIMUM TEMPERATURE (F) 58 42 1949  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2023.....SUNRISE 636 AM CDT SUNSET 743 PM CDT  
SEPTEMBER 2 2023.....SUNRISE 637 AM CDT SUNSET 741 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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