306  
CDUS43 KDMX 010650  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
150 AM CDT THU OCT 01 2026  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 30 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 73 228 PM 92 2023 68 5 83  
MINIMUM 65 550 AM 25 1939 43 22 54  
AVERAGE 69 56 13 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.12 2.19 1925 0.11 0.01 0.00  
MONTH TO DATE 4.41 3.45 0.96 1.12  
SINCE SEP 1 4.41 3.45 0.96 1.12  
SINCE JAN 1 26.68 30.76 -4.08 32.94  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1961 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 10 -10 0  
MONTH TO DATE 72 162 -90 76  
SINCE SEP 1 72 162 -90 76  
SINCE JUL 1 75 198 -123 106  
 
COOLING  
YESTERDAY 4 1 3 4  
MONTH TO DATE 98 57 41 86  
SINCE SEP 1 98 57 41 86  
SINCE JAN 1 750 596 154 724    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 3.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 82 1200 PM  
AVERAGE 91  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 92 1976  
MINIMUM TEMPERATURE (F) 43 19 2003  
 
SUNRISE AND SUNSET  
OCTOBER 1 2026.......SUNRISE 711 AM CDT SUNSET 654 PM CDT  
OCTOBER 2 2026.......SUNRISE 712 AM CDT SUNSET 652 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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