724  
CDUS43 KDMX 310638  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
138 AM CDT THU AUG 31 2023  
   
...............................
 
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR AUGUST 30 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 82 252 PM 104 1947 82 0 83  
MINIMUM 54 1149 PM 42 1915 59 -5 57  
AVERAGE 68 70 -2 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.49 1965 0.15 -0.15 0.00  
MONTH TO DATE 1.20 4.29 -3.09 1.14  
SINCE JUN 1 6.16 13.54 -7.38 5.55  
SINCE JAN 1 14.63 26.98 -12.35 15.28  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 1 2 -1 0  
SINCE JUN 1 18 21 -3 4  
SINCE JUL 1 5 4 1 0  
 
COOLING  
YESTERDAY 3 6 -3 5  
MONTH TO DATE 275 249 26 296  
SINCE JUN 1 747 779 -32 860  
SINCE JAN 1 816 857 -41 985    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 6.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 300 AM  
LOWEST 44 100 PM  
AVERAGE 69  
   
......................................................
 
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 100 1912  
1947  
MINIMUM TEMPERATURE (F) 59 42 1915  
 
SUNRISE AND SUNSET  
AUGUST 31 2023........SUNRISE 635 AM CDT SUNSET 744 PM CDT  
SEPTEMBER 1 2023.....SUNRISE 636 AM CDT SUNSET 743 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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