183  
CDUS43 KDMX 120629  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
129 AM CDT MON MAY 12 2025  
   
...............................  
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR MAY 11 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 85 403 PM 93 2022 68 17 74  
MINIMUM 50 127 AM 25 1925 45 5 42  
AVERAGE 68 56 12 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.50 1999 0.17 -0.17 0.00  
MONTH TO DATE 0.03 1.74 -1.71 4.43  
SINCE MAR 1 8.44 8.18 0.26 11.12  
SINCE JAN 1 8.78 10.29 -1.51 12.10  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1966 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE MAR 1 11.4 10.2 1.2 4.5  
SINCE JUL 1 20.3 44.3 -24.0 17.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 9 -9 7  
MONTH TO DATE 69 123 -54 107  
SINCE MAR 1 1357 1693 -336 1458  
SINCE JUL 1 6609 7484 -875 6224  
 
COOLING  
YESTERDAY 3 1 2 0  
MONTH TO DATE 5 2 3 0  
SINCE MAR 1 5 5 0 0  
SINCE JAN 1 5 5 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 12.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 600 AM  
LOWEST 20 600 PM  
AVERAGE 43  
   
......................................................  
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 94 2022  
MINIMUM TEMPERATURE (F) 45 28 2013  
 
SUNRISE AND SUNSET  
MAY 12 2025...........SUNRISE 553 AM CDT SUNSET 827 PM CDT  
MAY 13 2025...........SUNRISE 551 AM CDT SUNSET 829 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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