062  
CDUS43 KDMX 090636  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
136 AM CDT WED SEP 09 2026  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 8 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1893 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 81 1255 PM 96 1931 77 4 77  
MINIMUM 65 831 AM 37 1995 52 13 48  
AVERAGE 73 64 9 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.29 3.60 1941 0.12 0.17 0.00  
MONTH TO DATE 0.75 0.93 -0.18 0.34  
SINCE SEP 1 0.75 0.93 -0.18 0.34  
SINCE JAN 1 23.02 28.24 -5.22 32.16  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 2  
MONTH TO DATE 0 20 -20 62  
SINCE SEP 1 0 20 -20 62  
SINCE JUL 1 3 56 -53 92  
 
COOLING  
YESTERDAY 8 3 5 0  
MONTH TO DATE 82 24 58 0  
SINCE SEP 1 82 24 58 0  
SINCE JAN 1 734 563 171 638    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 10.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 900 PM  
LOWEST 65 100 PM  
AVERAGE 81  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 99 2013  
MINIMUM TEMPERATURE (F) 51 34 1924  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2026.....SUNRISE 646 AM CDT SUNSET 734 PM CDT  
SEPTEMBER 10 2026.....SUNRISE 648 AM CDT SUNSET 732 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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