340  
CDUS43 KDMX 170629  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
129 AM CDT SUN SEP 17 2023  
   
...............................
 
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR SEPTEMBER 16 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 78 1208 PM 94 1931 78 0 84  
MINIMUM 54 1114 PM 32 1937 53 1 60  
AVERAGE 66 65 1 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.12 1.62 1896 0.11 0.01 0.00  
MONTH TO DATE 0.84 1.98 -1.14 0.98  
SINCE SEP 1 0.84 1.98 -1.14 0.98  
SINCE JAN 1 15.47 29.11 -13.64 16.26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 12 30 -18 5  
SINCE SEP 1 12 30 -18 5  
SINCE JUL 1 17 39 -22 5  
 
COOLING  
YESTERDAY 1 4 -3 7  
MONTH TO DATE 73 75 -2 85  
SINCE SEP 1 73 75 -2 85  
SINCE JAN 1 889 938 -49 1077    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 5.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 600 AM  
LOWEST 52 1200 PM  
AVERAGE 76  
   
......................................................
 
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 98 1927  
MINIMUM TEMPERATURE (F) 53 34 1937  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2023.....SUNRISE 652 AM CDT SUNSET 716 PM CDT  
SEPTEMBER 18 2023.....SUNRISE 653 AM CDT SUNSET 714 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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