029  
CDUS43 KDMX 310631  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
131 AM CDT THU JUL 31 2025  
   
...............................  
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR JULY 30 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 78 428 PM 100 1919 82 -4 87  
MINIMUM 65 1159 PM 43 1936 60 5 65  
AVERAGE 72 71 1 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.38 3.40 1979 0.13 0.25 0.00  
MONTH TO DATE 7.01 4.30 2.71 5.01  
SINCE JUN 1 16.00 9.69 6.31 10.65  
SINCE JAN 1 26.70 23.39 3.31 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 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 7 6 1 11  
MONTH TO DATE 245 205 40 175  
SINCE JUN 1 449 347 102 334  
SINCE JAN 1 476 385 91 351    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 5.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 67 1200 PM  
AVERAGE 84  
   
......................................................  
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 103 1988  
MINIMUM TEMPERATURE (F) 60 46 1925  
1936  
1971  
 
SUNRISE AND SUNSET  
JULY 31 2025..........SUNRISE 603 AM CDT SUNSET 836 PM CDT  
AUGUST 1 2025........SUNRISE 604 AM CDT SUNSET 834 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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