424  
CDUS43 KDMX 200641  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
141 AM CDT WED SEP 20 2023  
   
...............................
 
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR SEPTEMBER 19 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 85 325 PM 96 1948 76 9 84  
MINIMUM 59 610 AM 34 1991 52 7 65  
AVERAGE 72 64 8 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.23 2.47 1965 0.12 0.11 0.07  
MONTH TO DATE 1.07 2.32 -1.25 4.07  
SINCE SEP 1 1.07 2.32 -1.25 4.07  
SINCE JAN 1 15.70 29.45 -13.75 19.35  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 18 41 -23 5  
SINCE SEP 1 18 41 -23 5  
SINCE JUL 1 23 50 -27 5  
 
COOLING  
YESTERDAY 7 3 4 10  
MONTH TO DATE 80 84 -4 110  
SINCE SEP 1 80 84 -4 110  
SINCE JAN 1 896 947 -51 1102    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 9.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 600 PM  
LOWEST 44 400 PM  
AVERAGE 70  
   
......................................................
 
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 95 1940  
MINIMUM TEMPERATURE (F) 52 32 2006  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2023.....SUNRISE 655 AM CDT SUNSET 711 PM CDT  
SEPTEMBER 21 2023.....SUNRISE 656 AM CDT SUNSET 709 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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