820  
CDUS43 KDMX 010633  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
133 AM CDT SAT NOV 01 2025  
   
...............................  
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR OCTOBER 31 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1893 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 44 143 PM 80 1950 52 -8 50  
MINIMUM 32 700 AM 8 1925 31 1 28  
AVERAGE 38 41 -3 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 2.15 1935 0.07 -0.05 0.22  
MONTH TO DATE 1.77 2.53 -0.76 1.10  
SINCE SEP 1 2.89 5.98 -3.09 1.53  
SINCE JAN 1 34.71 33.29 1.42 29.79  
 
SNOWFALL (IN)  
YESTERDAY MM 1.3 1995 0.0 MM 0.0  
MONTH TO DATE 0.0 0.4 -0.4 0.0  
SINCE SEP 1 0.0 0.4 -0.4 0.0  
SINCE JUL 1 0.0 0.4 -0.4 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 24 3 26  
MONTH TO DATE 377 524 -147 324  
SINCE SEP 1 453 688 -235 387  
SINCE JUL 1 483 724 -241 408  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 35 6 29 16  
SINCE SEP 1 121 63 58 107  
SINCE JAN 1 759 602 157 626    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 9.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 700 AM  
LOWEST 70 1100 AM  
AVERAGE 85  
   
......................................................  
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 78 1933  
MINIMUM TEMPERATURE (F) 30 11 1951  
 
SUNRISE AND SUNSET  
NOVEMBER 1 2025......SUNRISE 749 AM CDT SUNSET 605 PM CDT  
NOVEMBER 2 2025......SUNRISE 650 AM CST SUNSET 503 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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