756  
CDUS43 KDMX 300635  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
135 AM CDT WED JUL 30 2025  
   
...............................  
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR JULY 29 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 MM MM 99 1916 82 MM 86  
1917  
MINIMUM MM MM 45 1952 60 MM 63  
AVERAGE MM 71 MM 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.51 1.73 1946 0.14 0.37 0.03  
MONTH TO DATE 6.63 4.17 2.46 5.01  
SINCE JUN 1 15.62 9.56 6.06 10.65  
SINCE JAN 1 26.32 23.26 3.06 26.51  
 
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 MM 0 MM 0  
MONTH TO DATE 3 0 3 3  
SINCE JUN 1 16 39 -23 12  
SINCE JUL 1 3 0 3 3  
 
COOLING  
YESTERDAY MM 6 MM 10  
MONTH TO DATE 238 199 39 164  
SINCE JUN 1 442 341 101 323  
SINCE JAN 1 469 379 90 340    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1100 PM  
LOWEST 74 400 PM  
AVERAGE 87  
   
......................................................  
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 100 1919  
MINIMUM TEMPERATURE (F) 60 43 1936  
 
SUNRISE AND SUNSET  
JULY 30 2025..........SUNRISE 602 AM CDT SUNSET 837 PM CDT  
JULY 31 2025..........SUNRISE 603 AM CDT SUNSET 836 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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