585  
CDUS43 KDMX 180642  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1242 AM CST TUE FEB 18 2025  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR FEBRUARY 17 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1893 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM -2 107 AM 66 1981 29 -31 29  
MINIMUM -14 1159 PM -20 1958 12 -26 5  
AVERAGE -8 20 -28 17  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.60 1904 0.04 -0.04 0.00  
MONTH TO DATE 0.09 0.66 -0.57 0.08  
SINCE DEC 1 1.21 2.84 -1.63 2.22  
SINCE JAN 1 0.09 1.55 -1.46 0.95  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.0 1904 0.4 -0.4 0.0  
MONTH TO DATE 0.0 6.3 -6.3 T  
SINCE DEC 1 2.9 27.0 -24.1 11.1  
SINCE JUL 1 3.4 30.4 -27.0 13.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 73 44 29 48  
MONTH TO DATE 882 799 83 553  
SINCE DEC 1 3577 3672 -95 3011  
SINCE JUL 1 4795 5329 -534 4393  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 15.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 1200 AM  
LOWEST 54 1000 AM  
AVERAGE 66  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 64 1981  
MINIMUM TEMPERATURE (F) 12 -20 1936  
2006  
 
SUNRISE AND SUNSET  
FEBRUARY 18 2025......SUNRISE 706 AM CST SUNSET 549 PM CST  
FEBRUARY 19 2025......SUNRISE 705 AM CST SUNSET 550 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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