986  
CDUS43 KDMX 130633  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1233 AM CST WED DEC 13 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 12 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 33 149 PM 58 1968 31 2 32  
MINIMUM 14 942 PM -16 1932 15 -1 28  
2000  
AVERAGE 24 23 1 30  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.12 1991 0.04 -0.04 0.00  
MONTH TO DATE T 0.54 -0.54 0.46  
SINCE DEC 1 T 0.54 -0.54 0.46  
SINCE JAN 1 24.29 35.50 -11.21 28.22  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.0 1972 0.3 -0.3 0.0  
MONTH TO DATE T 3.1 -3.1 3.9  
SINCE DEC 1 T 3.1 -3.1 3.9  
SINCE JUL 1 1.9 6.5 -4.6 7.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 41 42 -1 35  
MONTH TO DATE 438 482 -44 476  
SINCE DEC 1 438 482 -44 476  
SINCE JUL 1 1820 2139 -319 2088  
 
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 21 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 11.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 600 AM  
LOWEST 36 200 PM  
AVERAGE 55  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 56 1998  
MINIMUM TEMPERATURE (F) 14 -22 1917  
 
SUNRISE AND SUNSET  
DECEMBER 13 2023......SUNRISE 736 AM CST SUNSET 438 PM CST  
DECEMBER 14 2023......SUNRISE 737 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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