823  
CDUS43 KDMX 180631  
CLIOTM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
131 AM CDT MON SEP 18 2023  
   
...............................
 
 
   
..THE OTTUMWA IA CLIMATE SUMMARY FOR SEPTEMBER 17 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 77 239 PM 98 1927 77 0 73  
MINIMUM 49 1151 PM 34 1937 53 -4 64  
AVERAGE 63 65 -2 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.67 2022 0.11 -0.11 2.67  
MONTH TO DATE 0.84 2.09 -1.25 3.65  
SINCE SEP 1 0.84 2.09 -1.25 3.65  
SINCE JAN 1 15.47 29.22 -13.75 18.93  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 3 -1 0  
MONTH TO DATE 14 33 -19 5  
SINCE SEP 1 14 33 -19 5  
SINCE JUL 1 19 42 -23 5  
 
COOLING  
YESTERDAY 0 3 -3 4  
MONTH TO DATE 73 78 -5 89  
SINCE SEP 1 73 78 -5 89  
SINCE JAN 1 889 941 -52 1081    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 6.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 500 AM  
LOWEST 41 300 PM  
AVERAGE 69  
   
......................................................
 
 
THE OTTUMWA IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 96 1910  
MINIMUM TEMPERATURE (F) 53 33 1916  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2023.....SUNRISE 653 AM CDT SUNSET 714 PM CDT  
SEPTEMBER 19 2023.....SUNRISE 654 AM CDT SUNSET 712 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IA Page Main Text Page