368  
CDUS43 KDMX 290634  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
134 AM CDT THU MAY 29 2025  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR MAY 28 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 63 506 PM 97 2018 74 -11 68  
MINIMUM 52 1159 PM 32 1947 52 0 47  
AVERAGE 58 63 -5 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 2.18 1995 0.17 -0.15 0.10  
MONTH TO DATE 1.93 4.62 -2.69 7.90  
SINCE MAR 1 10.34 11.06 -0.72 14.59  
SINCE JAN 1 10.68 13.17 -2.49 15.57  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.0 1947 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 7  
MONTH TO DATE 201 233 -32 174  
SINCE MAR 1 1489 1803 -314 1525  
SINCE JUL 1 6741 7594 -853 6291  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 24 27 -3 13  
SINCE MAR 1 24 30 -6 13  
SINCE JAN 1 24 30 -6 13    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 8.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 100 AM  
LOWEST 64 500 PM  
AVERAGE 80  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 98 1934  
MINIMUM TEMPERATURE (F) 52 31 1947  
 
SUNRISE AND SUNSET  
MAY 29 2025...........SUNRISE 538 AM CDT SUNSET 844 PM CDT  
MAY 30 2025...........SUNRISE 537 AM CDT SUNSET 845 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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