594  
CDUS43 KDMX 170630  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
130 AM CDT FRI JUL 17 2026  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR JULY 16 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 90 333 PM 103 1936 83 7 75  
MINIMUM 68 519 AM 44 1912 61 7 57  
2020  
AVERAGE 79 72 7 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.70 1994 0.15 -0.15 0.15  
MONTH TO DATE 5.68 2.35 3.33 2.08  
SINCE JUN 1 8.56 7.74 0.82 11.07  
SINCE JAN 1 17.87 21.44 -3.57 21.77  
 
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 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 15 39 -24 13  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 14 7 7 1  
MONTH TO DATE 158 112 46 133  
SINCE JUN 1 305 254 51 337  
SINCE JAN 1 366 292 74 364    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 2.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1200 AM  
LOWEST 50 200 PM  
AVERAGE 74  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 104 1936  
MINIMUM TEMPERATURE (F) 61 42 1911  
 
SUNRISE AND SUNSET  
JULY 17 2026..........SUNRISE 549 AM CDT SUNSET 849 PM CDT  
JULY 18 2026..........SUNRISE 550 AM CDT SUNSET 849 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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