052  
CDUS43 KDMX 030635  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1235 AM CST WED DEC 03 2025  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 2 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 29 1159 PM 64 1998 35 -6 20  
MINIMUM 6 355 AM -16 1919 18 -12 12  
AVERAGE 18 26 -8 16  
 
PRECIPITATION (IN)  
YESTERDAY T 0.40 1909 0.05 -0.05 0.02  
1985  
1990  
MONTH TO DATE T 0.10 -0.10 0.02  
SINCE DEC 1 T 0.10 -0.10 0.02  
SINCE JAN 1 35.97 35.06 0.91 32.77  
 
SNOWFALL (IN)  
YESTERDAY MM 4.0 1990 0.2 MM 0.6  
MONTH TO DATE T 0.4 -0.4 0.6  
SINCE DEC 1 T 0.4 -0.4 0.6  
SINCE JUL 1 0.1 3.8 -3.7 1.1  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 47 38 9 49  
MONTH TO DATE 97 76 21 98  
SINCE DEC 1 97 76 21 98  
SINCE JUL 1 1410 1733 -323 1316  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 759 602 157 626    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 9.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 100 AM  
LOWEST 75 1000 PM  
AVERAGE 86  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 63 2012  
MINIMUM TEMPERATURE (F) 18 -16 1940  
 
SUNRISE AND SUNSET  
DECEMBER 3 2025......SUNRISE 728 AM CST SUNSET 439 PM CST  
DECEMBER 4 2025......SUNRISE 729 AM CST SUNSET 438 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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