241  
CDUS43 KDMX 100630  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1230 AM CST TUE DEC 10 2024  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 9 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 46 MM 63 1939 32 14 37  
MINIMUM 27 MM -19 1958 16 11 23  
AVERAGE 37 24 13 30  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.64 1918 0.05 -0.05 T  
MONTH TO DATE 0.02 0.41 -0.39 T  
SINCE DEC 1 0.02 0.41 -0.39 T  
SINCE JAN 1 32.77 35.37 -2.60 24.29  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.5 2009 0.3 -0.3 T  
MONTH TO DATE 0.6 2.2 -1.6 T  
SINCE DEC 1 0.6 2.2 -1.6 T  
SINCE JUL 1 1.1 5.6 -4.5 1.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 41 -13 35  
MONTH TO DATE 357 356 1 307  
SINCE DEC 1 357 356 1 307  
SINCE JUL 1 1575 2013 -438 1689  
 
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 W (270)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 17.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 400 AM  
LOWEST 45 1200 PM  
AVERAGE 67  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 59 1979  
MINIMUM TEMPERATURE (F) 15 -23 1919  
 
SUNRISE AND SUNSET  
DECEMBER 10 2024......SUNRISE 735 AM CST SUNSET 438 PM CST  
DECEMBER 11 2024......SUNRISE 735 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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