573  
CDUS43 KDMX 090627  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
127 AM CDT FRI MAY 09 2025  
   
...............................  
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR MAY 8 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 73 434 PM 91 1934 67 6 75  
MINIMUM 47 1102 PM 27 1925 43 4 44  
AVERAGE 60 55 5 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.46 1927 0.16 -0.16 0.96  
MONTH TO DATE 0.03 1.24 -1.21 3.71  
SINCE MAR 1 8.44 7.68 0.76 10.40  
SINCE JAN 1 8.78 9.79 -1.01 11.38  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.0 1938 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 5 10 -5 5  
MONTH TO DATE 65 94 -29 81  
SINCE MAR 1 1353 1664 -311 1432  
SINCE JUL 1 6605 7455 -850 6198  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 3 -3 0  
SINCE JAN 1 0 3 -3 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 9.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 300 AM  
LOWEST 17 600 PM  
AVERAGE 44  
   
......................................................  
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 90 2022  
MINIMUM TEMPERATURE (F) 44 23 1945  
 
SUNRISE AND SUNSET  
MAY 9 2025...........SUNRISE 556 AM CDT SUNSET 824 PM CDT  
MAY 10 2025...........SUNRISE 555 AM CDT SUNSET 825 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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