659  
CDUS43 KDMX 130712  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
112 AM CST FRI DEC 13 2024  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 12 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1893 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 8 707 PM 58 1968 31 -23 33  
MINIMUM -3 352 AM -16 1932 15 -18 14  
2000  
AVERAGE 3 23 -20 24  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.12 1991 0.04 -0.04 0.00  
MONTH TO DATE 0.02 0.54 -0.52 T  
SINCE DEC 1 0.02 0.54 -0.52 T  
SINCE JAN 1 32.77 35.50 -2.73 24.29  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.0 1972 0.3 -0.3 0.0  
MONTH TO DATE 0.6 3.1 -2.5 T  
SINCE DEC 1 0.6 3.1 -2.5 T  
SINCE JUL 1 1.1 6.5 -5.4 1.9  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 62 42 20 41  
MONTH TO DATE 513 482 31 438  
SINCE DEC 1 513 482 31 438  
SINCE JUL 1 1731 2139 -408 1820  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 626 602 24 743    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 7.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 100 AM  
LOWEST 47 200 PM  
AVERAGE 58  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 56 1998  
MINIMUM TEMPERATURE (F) 14 -22 1917  
 
SUNRISE AND SUNSET  
DECEMBER 13 2024......SUNRISE 737 AM CST SUNSET 438 PM CST  
DECEMBER 14 2024......SUNRISE 738 AM CST SUNSET 439 PM CST  
 
- 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