008  
CDUS43 KDMX 100632  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1232 AM CST SUN DEC 10 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 9 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 37 1209 AM 63 1939 32 5 33  
MINIMUM 23 1159 PM -19 1958 16 7 27  
AVERAGE 30 24 6 30  
 
PRECIPITATION (IN)  
YESTERDAY T 0.64 1918 0.05 -0.05 0.37  
MONTH TO DATE T 0.41 -0.41 0.46  
SINCE DEC 1 T 0.41 -0.41 0.46  
SINCE JAN 1 24.29 35.37 -11.08 28.22  
 
SNOWFALL (IN)  
YESTERDAY MM 6.5 2009 0.3 MM 3.8  
MONTH TO DATE T 2.2 -2.2 3.8  
SINCE DEC 1 T 2.2 -2.2 3.8  
SINCE JUL 1 1.9 5.6 -3.7 7.8  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 41 -6 35  
MONTH TO DATE 307 356 -49 372  
SINCE DEC 1 307 356 -49 372  
SINCE JUL 1 1689 2013 -324 1984  
 
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 33 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 20.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1000 AM  
LOWEST 67 400 AM  
AVERAGE 80  
   
......................................................
 
 
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 2023......SUNRISE 734 AM CST SUNSET 438 PM CST  
DECEMBER 11 2023......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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