909  
CDUS43 KDMX 210633  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
133 AM CDT FRI MAR 21 2025  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR MARCH 20 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 35 531 PM 73 1934 44 -9 36  
MINIMUM 20 636 AM -13 1965 25 -5 19  
AVERAGE 28 35 -7 28  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.94 2011 0.08 -0.08 0.00  
MONTH TO DATE 1.91 1.29 0.62 0.25  
SINCE MAR 1 1.91 1.29 0.62 0.25  
SINCE JAN 1 2.25 3.40 -1.15 1.23  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.0 1955 0.2 -0.2 0.0  
MONTH TO DATE 4.1 5.2 -1.1 T  
SINCE MAR 1 4.1 5.2 -1.1 T  
SINCE JUL 1 13.0 39.3 -26.3 13.3  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 37 30 7 37  
MONTH TO DATE 522 694 -172 515  
SINCE MAR 1 522 694 -172 515  
SINCE JUL 1 5774 6485 -711 5281  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 12.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 1100 PM  
LOWEST 61 200 PM  
AVERAGE 70  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 81 1938  
MINIMUM TEMPERATURE (F) 26 -8 1965  
 
SUNRISE AND SUNSET  
MARCH 21 2025.........SUNRISE 714 AM CDT SUNSET 727 PM CDT  
MARCH 22 2025.........SUNRISE 712 AM CDT SUNSET 728 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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