181  
CDUS43 KDMX 280639  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
139 AM CDT WED MAY 28 2025  
   
...............................  
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR MAY 27 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 63 202 PM 98 2018 74 -11 71  
MINIMUM 53 1159 PM 32 1907 51 2 46  
AVERAGE 58 63 -5 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 2.00 1927 0.17 -0.07 0.14  
MONTH TO DATE 1.91 4.45 -2.54 7.80  
SINCE MAR 1 10.32 10.89 -0.57 14.49  
SINCE JAN 1 10.66 13.00 -2.34 15.47  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.3 -0.3 0.0  
SINCE MAR 1 11.4 10.3 1.1 4.5  
SINCE JUL 1 20.3 44.4 -24.1 17.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 4 3 6  
MONTH TO DATE 194 229 -35 167  
SINCE MAR 1 1482 1799 -317 1518  
SINCE JUL 1 6734 7590 -856 6284  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 24 25 -1 13  
SINCE MAR 1 24 28 -4 13  
SINCE JAN 1 24 28 -4 13    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 10.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 800 PM  
LOWEST 58 200 PM  
AVERAGE 76  
   
......................................................  
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 97 2018  
MINIMUM TEMPERATURE (F) 52 32 1947  
 
SUNRISE AND SUNSET  
MAY 28 2025...........SUNRISE 538 AM CDT SUNSET 843 PM CDT  
MAY 29 2025...........SUNRISE 538 AM CDT SUNSET 844 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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