103  
CDUS43 KDMX 090635  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1235 AM CST SAT DEC 09 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 8 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 52 300 PM 65 1946 32 20 33  
MINIMUM 34 210 AM -16 1958 16 18 9  
AVERAGE 43 24 19 21  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.51 2009 0.04 -0.04 0.05  
MONTH TO DATE T 0.36 -0.36 0.09  
SINCE DEC 1 T 0.36 -0.36 0.09  
SINCE JAN 1 24.29 35.32 -11.03 27.85  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.0 2009 0.2 -0.2 T  
MONTH TO DATE T 1.9 -1.9 T  
SINCE DEC 1 T 1.9 -1.9 T  
SINCE JUL 1 1.9 5.3 -3.4 4.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 41 -19 44  
MONTH TO DATE 272 315 -43 337  
SINCE DEC 1 272 315 -43 337  
SINCE JUL 1 1654 1972 -318 1949  
 
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 25 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 11.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 200 AM  
LOWEST 56 300 PM  
AVERAGE 76  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 63 1939  
MINIMUM TEMPERATURE (F) 16 -19 1958  
 
SUNRISE AND SUNSET  
DECEMBER 9 2023......SUNRISE 733 AM CST SUNSET 438 PM CST  
DECEMBER 10 2023......SUNRISE 734 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.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IA Page Main Text Page