545  
CDUS43 KDMX 280633  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
133 AM CDT MON JUL 28 2025  
   
...............................  
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR JULY 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 88 433 PM 100 1931 82 6 86  
MINIMUM 65 332 AM 47 1937 60 5 70  
1971  
AVERAGE 77 71 6 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.50 3.98 1990 0.14 0.36 0.00  
MONTH TO DATE 5.58 3.90 1.68 4.44  
SINCE JUN 1 14.57 9.29 5.28 10.08  
SINCE JAN 1 25.27 22.99 2.28 25.94  
 
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 3 0 3 3  
SINCE JUN 1 16 39 -23 12  
SINCE JUL 1 3 0 3 3  
 
COOLING  
YESTERDAY 12 6 6 13  
MONTH TO DATE 227 187 40 144  
SINCE JUN 1 431 329 102 303  
SINCE JAN 1 458 367 91 320    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 49 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 71 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 7.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 59 400 PM  
AVERAGE 80  
   
......................................................  
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 100 1916  
MINIMUM TEMPERATURE (F) 60 43 1928  
 
SUNRISE AND SUNSET  
JULY 28 2025..........SUNRISE 600 AM CDT SUNSET 839 PM CDT  
JULY 29 2025..........SUNRISE 601 AM CDT SUNSET 838 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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