761  
CDUS43 KDMX 120638  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
138 AM CDT TUE AUG 12 2025  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR AUGUST 11 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 79 201 PM 96 1905 81 -2 79  
1947  
MINIMUM 59 436 AM 42 2012 59 0 47  
AVERAGE 69 70 -1 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.92 2023 0.12 -0.12 0.02  
MONTH TO DATE 0.91 1.37 -0.46 0.19  
SINCE JUN 1 17.86 11.19 6.67 11.00  
SINCE JAN 1 28.56 24.89 3.67 26.86  
 
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 1 -1 2  
MONTH TO DATE 3 1 2 13  
SINCE JUN 1 19 50 -31 25  
SINCE JUL 1 6 11 -5 16  
 
COOLING  
YESTERDAY 4 5 -1 0  
MONTH TO DATE 56 63 -7 48  
SINCE JUN 1 514 417 97 393  
SINCE JAN 1 541 455 86 410    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 3.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 62 100 PM  
AVERAGE 81  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 97 1937  
MINIMUM TEMPERATURE (F) 59 44 1931  
1967  
 
SUNRISE AND SUNSET  
AUGUST 12 2025........SUNRISE 616 AM CDT SUNSET 820 PM CDT  
AUGUST 13 2025........SUNRISE 617 AM CDT SUNSET 818 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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