983  
CDUS43 KDMX 180645  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
145 AM CDT WED JUN 18 2025  
   
...............................  
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR JUNE 17 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 78 244 PM 102 2021 80 -2 84  
MINIMUM 63 458 AM 35 1915 58 5 63  
AVERAGE 71 69 2 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 2.30 1947 0.18 -0.11 0.09  
MONTH TO DATE 5.03 3.15 1.88 1.01  
SINCE JUN 1 5.03 3.15 1.88 1.01  
SINCE JAN 1 15.73 16.85 -1.12 16.87  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 20.3 44.4 -24.1 17.8  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 13 32 -19 4  
SINCE JUN 1 13 32 -19 4  
SINCE JUL 1 6761 7639 -878 6302  
 
COOLING  
YESTERDAY 6 5 1 9  
MONTH TO DATE 68 64 4 78  
SINCE JUN 1 68 64 4 78  
SINCE JAN 1 95 102 -7 95    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 4.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1000 PM  
LOWEST 62 300 PM  
AVERAGE 80  
   
......................................................  
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 97 1953  
MINIMUM TEMPERATURE (F) 58 44 1936  
 
SUNRISE AND SUNSET  
JUNE 18 2025..........SUNRISE 533 AM CDT SUNSET 856 PM CDT  
JUNE 19 2025..........SUNRISE 533 AM CDT SUNSET 856 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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