551  
CDUS43 KDMX 200633  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1233 AM CST WED DEC 20 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 19 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1893 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 38 146 PM 48 1979 28 10 23  
MINIMUM 9 1241 AM -26 1983 13 -4 -3  
AVERAGE 24 20 4 10  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.63 2008 0.05 -0.05 0.11  
MONTH TO DATE 0.11 0.83 -0.72 0.91  
SINCE DEC 1 0.11 0.83 -0.72 0.91  
SINCE JAN 1 24.40 35.79 -11.39 28.67  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.2 2008 0.3 -0.3 1.4  
MONTH TO DATE T 5.3 -5.3 9.5  
SINCE DEC 1 T 5.3 -5.3 9.5  
SINCE JUL 1 1.9 8.7 -6.8 13.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 41 45 -4 55  
MONTH TO DATE 677 788 -111 791  
SINCE DEC 1 677 788 -111 791  
SINCE JUL 1 2059 2445 -386 2403  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 743 602 141 675    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 12.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 200 AM  
LOWEST 48 200 PM  
AVERAGE 66  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 28 50 1918  
MINIMUM TEMPERATURE (F) 12 -25 1983  
 
SUNRISE AND SUNSET  
DECEMBER 20 2023......SUNRISE 741 AM CST SUNSET 441 PM CST  
DECEMBER 21 2023......SUNRISE 742 AM CST SUNSET 441 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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