439  
CDUS43 KDMX 240627  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
127 AM CDT MON AUG 24 2026  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR AUGUST 23 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1893 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 78 247 PM 101 2023 80 -2 71  
MINIMUM 49 547 AM 44 1940 57 -8 53  
AVERAGE 64 68 -4 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.86 1928 0.12 -0.12 0.00  
MONTH TO DATE 1.70 2.82 -1.12 3.74  
SINCE JUN 1 12.11 12.64 -0.53 20.69  
SINCE JAN 1 21.42 26.34 -4.92 31.39  
 
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 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 1 0 3  
MONTH TO DATE 1 13 -12 6  
SINCE JUN 1 18 62 -44 22  
SINCE JUL 1 3 23 -20 9  
 
COOLING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 118 118 0 146  
SINCE JUN 1 548 472 76 604  
SINCE JAN 1 609 510 99 631    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 3.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 100 AM  
LOWEST 42 300 PM  
AVERAGE 70  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 99 1948  
MINIMUM TEMPERATURE (F) 56 37 1927  
1934  
 
SUNRISE AND SUNSET  
AUGUST 24 2026........SUNRISE 629 AM CDT SUNSET 801 PM CDT  
AUGUST 25 2026........SUNRISE 630 AM CDT SUNSET 800 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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