296  
CDUS43 KDMX 230633  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
133 AM CDT SAT AUG 23 2025  
   
...............................  
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR AUGUST 22 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 1220 PM 97 1947 80 -1 74  
MINIMUM 61 513 AM 40 1923 57 4 50  
AVERAGE 70 68 2 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 6.33 1954 0.11 -0.10 0.00  
MONTH TO DATE 3.74 2.70 1.04 1.06  
SINCE JUN 1 20.69 12.52 8.17 11.87  
SINCE JAN 1 31.39 26.22 5.17 27.73  
 
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 3  
MONTH TO DATE 3 12 -9 18  
SINCE JUN 1 19 61 -42 30  
SINCE JUL 1 6 22 -16 21  
 
COOLING  
YESTERDAY 5 4 1 0  
MONTH TO DATE 146 114 32 77  
SINCE JUN 1 604 468 136 422  
SINCE JAN 1 631 506 125 439    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 7.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1000 PM  
LOWEST 71 1000 AM  
AVERAGE 84  
   
......................................................  
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 101 2023  
MINIMUM TEMPERATURE (F) 57 44 1940  
 
SUNRISE AND SUNSET  
AUGUST 23 2025........SUNRISE 628 AM CDT SUNSET 803 PM CDT  
AUGUST 24 2025........SUNRISE 629 AM CDT SUNSET 801 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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