380  
CDUS43 KDMX 120628  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1228 AM CST THU DEC 12 2024  
   
...............................  
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 11 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 26 255 AM 57 1946 31 -5 35  
MINIMUM -1 1159 PM -17 1934 15 -16 8  
AVERAGE 13 23 -10 22  
 
PRECIPITATION (IN)  
YESTERDAY T 1.56 1965 0.05 -0.05 0.00  
MONTH TO DATE 0.02 0.50 -0.48 T  
SINCE DEC 1 0.02 0.50 -0.48 T  
SINCE JAN 1 32.77 35.46 -2.69 24.29  
 
SNOWFALL (IN)  
YESTERDAY MM 7.5 2010 0.3 MM 0.0  
MONTH TO DATE 0.6 2.8 -2.2 T  
SINCE DEC 1 0.6 2.8 -2.2 T  
SINCE JUL 1 1.1 6.2 -5.1 1.9  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 52 42 10 43  
MONTH TO DATE 451 440 11 397  
SINCE DEC 1 451 440 11 397  
SINCE JUL 1 1669 2097 -428 1779  
 
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 32 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 18.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 200 AM  
LOWEST 50 200 PM  
AVERAGE 69  
   
......................................................  
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 58 1968  
MINIMUM TEMPERATURE (F) 15 -16 1932  
2000  
 
SUNRISE AND SUNSET  
DECEMBER 12 2024......SUNRISE 736 AM CST SUNSET 438 PM CST  
DECEMBER 13 2024......SUNRISE 737 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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