270  
CDUS43 KDMX 210633  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
133 AM CDT THU SEP 21 2023  
   
...............................
 
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR SEPTEMBER 20 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 81 300 PM 95 1940 76 5 94  
MINIMUM 60 1029 PM 32 2006 52 8 70  
AVERAGE 71 64 7 82  
 
PRECIPITATION (IN)  
YESTERDAY T 3.31 1965 0.11 -0.11 0.00  
MONTH TO DATE 1.07 2.43 -1.36 4.07  
SINCE SEP 1 1.07 2.43 -1.36 4.07  
SINCE JAN 1 15.70 29.56 -13.86 19.35  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 18 45 -27 5  
SINCE SEP 1 18 45 -27 5  
SINCE JUL 1 23 54 -31 5  
 
COOLING  
YESTERDAY 6 3 3 17  
MONTH TO DATE 86 87 -1 127  
SINCE SEP 1 86 87 -1 127  
SINCE JAN 1 902 950 -48 1119    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 7.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 200 AM  
LOWEST 49 400 PM  
AVERAGE 75  
   
......................................................
 
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 95 1940  
MINIMUM TEMPERATURE (F) 51 36 1999  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 656 AM CDT SUNSET 709 PM CDT  
SEPTEMBER 22 2023.....SUNRISE 657 AM CDT SUNSET 707 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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