310  
CDUS43 KDMX 190648  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
148 AM CDT SAT APR 19 2025  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR APRIL 18 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 55 534 PM 93 1985 59 -4 54  
MINIMUM 42 1159 PM 18 1953 35 7 32  
AVERAGE 49 47 2 43  
 
PRECIPITATION (IN)  
YESTERDAY 1.25R 1.24 1978 0.14 1.11 0.50  
MONTH TO DATE 2.41 2.32 0.09 2.97  
SINCE MAR 1 6.21 4.61 1.60 5.29  
SINCE JAN 1 6.55 6.72 -0.17 6.27  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.9 2018 0.1 -0.1 0.0  
MONTH TO DATE 0.2 2.2 -2.0 0.3  
SINCE MAR 1 11.4 9.2 2.2 4.5  
SINCE JUL 1 20.3 43.3 -23.0 17.8  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 18 -2 22  
MONTH TO DATE 365 385 -20 307  
SINCE MAR 1 1126 1382 -256 1161  
SINCE JUL 1 6378 7173 -795 5927  
 
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 30 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 16.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 200 AM  
LOWEST 59 800 PM  
AVERAGE 78  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 87 1985  
MINIMUM TEMPERATURE (F) 36 15 2018  
 
SUNRISE AND SUNSET  
APRIL 19 2025.........SUNRISE 624 AM CDT SUNSET 801 PM CDT  
APRIL 20 2025.........SUNRISE 623 AM CDT SUNSET 802 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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