195  
CDUS43 KDMX 180638  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
138 AM CDT FRI APR 18 2025  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR APRIL 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 79 330 PM 88 1985 58 21 60  
MINIMUM 50 431 AM 18 1907 35 15 40  
2018  
AVERAGE 65 47 18 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.24 1.25 1976 0.14 0.10 0.03  
MONTH TO DATE 1.16 2.18 -1.02 2.47  
SINCE MAR 1 4.96 4.47 0.49 4.79  
SINCE JAN 1 5.30 6.58 -1.28 5.77  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.0 1939 0.1 -0.1 0.0  
MONTH TO DATE 0.2 2.1 -1.9 0.3  
SINCE MAR 1 11.4 9.1 2.3 4.5  
SINCE JUL 1 20.3 43.2 -22.9 17.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 18 -18 15  
MONTH TO DATE 349 367 -18 285  
SINCE MAR 1 1110 1364 -254 1139  
SINCE JUL 1 6362 7155 -793 5905  
 
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 32 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 18.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1000 PM  
LOWEST 40 200 PM  
AVERAGE 68  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 93 1985  
MINIMUM TEMPERATURE (F) 35 18 1953  
 
SUNRISE AND SUNSET  
APRIL 18 2025.........SUNRISE 626 AM CDT SUNSET 800 PM CDT  
APRIL 19 2025.........SUNRISE 624 AM CDT SUNSET 801 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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