290  
CDUS43 KDMX 080633  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
133 AM CDT FRI AUG 08 2025  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR AUGUST 7 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 84 408 PM 95 1988 81 3 78  
MINIMUM 64 543 AM 46 1989 59 5 49  
AVERAGE 74 70 4 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.08 2022 0.12 -0.12 0.00  
MONTH TO DATE 0.16 0.87 -0.71 0.17  
SINCE JUN 1 17.11 10.69 6.42 10.98  
SINCE JAN 1 27.81 24.39 3.42 26.84  
 
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 1  
MONTH TO DATE 3 0 3 2  
SINCE JUN 1 19 49 -30 14  
SINCE JUL 1 6 10 -4 5  
 
COOLING  
YESTERDAY 9 6 3 0  
MONTH TO DATE 22 42 -20 48  
SINCE JUN 1 480 396 84 393  
SINCE JAN 1 507 434 73 410    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 8.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 65 300 PM  
AVERAGE 83  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 102 1934  
MINIMUM TEMPERATURE (F) 59 42 1922  
 
SUNRISE AND SUNSET  
AUGUST 8 2025........SUNRISE 612 AM CDT SUNSET 825 PM CDT  
AUGUST 9 2025........SUNRISE 613 AM CDT SUNSET 824 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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