962  
CDUS43 KDMX 300637  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
137 AM CDT SAT AUG 30 2025  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR AUGUST 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 81 214 PM 97 2012 79 2 92  
MINIMUM 54 410 AM 36 1911 55 -1 67  
AVERAGE 68 67 1 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.20 1982 0.12 -0.12 0.53  
MONTH TO DATE 4.17 3.54 0.63 1.59  
SINCE JUN 1 21.12 13.36 7.76 12.40  
SINCE JAN 1 31.82 27.06 4.76 28.26  
 
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 2 -2 0  
MONTH TO DATE 26 21 5 18  
SINCE JUN 1 42 70 -28 30  
SINCE JUL 1 29 31 -2 21  
 
COOLING  
YESTERDAY 3 4 -1 15  
MONTH TO DATE 153 142 11 150  
SINCE JUN 1 611 496 115 495  
SINCE JAN 1 638 534 104 512    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 4.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 50 500 PM  
AVERAGE 75  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 99 2012  
MINIMUM TEMPERATURE (F) 55 30 1915  
 
SUNRISE AND SUNSET  
AUGUST 30 2025........SUNRISE 636 AM CDT SUNSET 751 PM CDT  
AUGUST 31 2025........SUNRISE 637 AM CDT SUNSET 749 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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