972  
CDUS43 KDMX 140655  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1232 AM CST THU DEC 14 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 13 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 44 326 PM 56 1998 30 14 34  
MINIMUM 14 1226 AM -22 1917 14 0 32  
AVERAGE 29 22 7 33  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.80 2015 0.04 -0.04 0.09  
MONTH TO DATE T 0.58 -0.58 0.55  
SINCE DEC 1 T 0.58 -0.58 0.55  
SINCE JAN 1 24.29 35.54 -11.25 28.31  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.5 1937 0.3 -0.3 0.0  
MONTH TO DATE T 3.4 -3.4 3.9  
SINCE DEC 1 T 3.4 -3.4 3.9  
SINCE JUL 1 1.9 6.8 -4.9 7.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 43 -7 32  
MONTH TO DATE 474 525 -51 508  
SINCE DEC 1 474 525 -51 508  
SINCE JUL 1 1856 2182 -326 2120  
 
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 16 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 8.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 100 AM  
LOWEST 18 300 PM  
AVERAGE 44  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 55 1998  
MINIMUM TEMPERATURE (F) 14 -17 1926  
 
SUNRISE AND SUNSET  
DECEMBER 14 2023......SUNRISE 737 AM CST SUNSET 439 PM CST  
DECEMBER 15 2023......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.  
 

 
 
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