287  
CDUS43 KDMX 120631  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1231 AM CST TUE DEC 12 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 11 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 35 404 PM 57 1946 31 4 32  
MINIMUM 8 252 AM -17 1934 15 -7 26  
AVERAGE 22 23 -1 29  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.56 1965 0.05 -0.05 0.00  
MONTH TO DATE T 0.50 -0.50 0.46  
SINCE DEC 1 T 0.50 -0.50 0.46  
SINCE JAN 1 24.29 35.46 -11.17 28.22  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.5 2010 0.3 -0.3 0.0  
MONTH TO DATE T 2.8 -2.8 3.9  
SINCE DEC 1 T 2.8 -2.8 3.9  
SINCE JUL 1 1.9 6.2 -4.3 7.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 43 42 1 36  
MONTH TO DATE 397 440 -43 441  
SINCE DEC 1 397 440 -43 441  
SINCE JUL 1 1779 2097 -318 2053  
 
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 17 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 8.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 600 AM  
LOWEST 69 900 PM  
AVERAGE 83  
   
......................................................
 
 
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 2023......SUNRISE 736 AM CST SUNSET 438 PM CST  
DECEMBER 13 2023......SUNRISE 736 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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