029  
CDUS43 KDMX 170634  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
134 AM CDT THU APR 17 2025  
   
...............................  
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR APRIL 16 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 69 447 PM 88 1964 58 11 67  
2004  
MINIMUM 25 443 AM 18 1928 35 -10 50  
AVERAGE 47 46 1 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.50 2006 0.14 -0.14 1.24  
MONTH TO DATE 0.92 2.04 -1.12 2.44  
SINCE MAR 1 4.72 4.33 0.39 4.76  
SINCE JAN 1 5.06 6.44 -1.38 5.74  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.6 1999 0.1 -0.1 0.0  
MONTH TO DATE 0.2 2.0 -1.8 0.3  
SINCE MAR 1 11.4 9.0 2.4 4.5  
SINCE JUL 1 20.3 43.1 -22.8 17.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 19 -1 6  
MONTH TO DATE 349 349 0 270  
SINCE MAR 1 1110 1346 -236 1124  
SINCE JUL 1 6362 7137 -775 5890  
 
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 29 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 14.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 400 AM  
LOWEST 22 300 PM  
AVERAGE 52  
   
......................................................  
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 88 1985  
MINIMUM TEMPERATURE (F) 35 18 1907  
2018  
 
SUNRISE AND SUNSET  
APRIL 17 2025.........SUNRISE 627 AM CDT SUNSET 759 PM CDT  
APRIL 18 2025.........SUNRISE 626 AM CDT SUNSET 800 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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