374  
CDUS43 KDMX 170641  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
141 AM CDT THU JUL 17 2025  
   
...............................  
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR JULY 16 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 75 307 PM 103 1936 83 -8 82  
MINIMUM 57 1159 PM 44 1912 61 -4 61  
2020  
AVERAGE 66 72 -6 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.15 1.70 1994 0.15 0.00 0.00  
MONTH TO DATE 2.08 2.35 -0.27 3.60  
SINCE JUN 1 11.07 7.74 3.33 9.24  
SINCE JAN 1 21.77 21.44 0.33 25.10  
 
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 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 2  
SINCE JUN 1 13 39 -26 11  
SINCE JUL 1 0 0 0 2  
 
COOLING  
YESTERDAY 1 7 -6 7  
MONTH TO DATE 133 112 21 96  
SINCE JUN 1 337 254 83 255  
SINCE JAN 1 364 292 72 272    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 10.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1000 AM  
LOWEST 79 100 PM  
AVERAGE 88  
   
......................................................  
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 104 1936  
MINIMUM TEMPERATURE (F) 61 42 1911  
 
SUNRISE AND SUNSET  
JULY 17 2025..........SUNRISE 549 AM CDT SUNSET 849 PM CDT  
JULY 18 2025..........SUNRISE 550 AM CDT SUNSET 848 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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