237  
CDUS43 KDMX 190645  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
145 AM CDT SAT JUL 19 2025  
   
...............................  
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR JULY 18 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 76 521 PM 100 1940 83 -7 77  
MINIMUM 52 514 AM 43 1914 61 -9 50  
AVERAGE 64 72 -8 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.13 1999 0.14 -0.14 0.00  
MONTH TO DATE 2.08 2.63 -0.55 3.60  
SINCE JUN 1 11.07 8.02 3.05 9.24  
SINCE JAN 1 21.77 21.72 0.05 25.10  
 
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 1 0 1 1  
MONTH TO DATE 3 0 3 3  
SINCE JUN 1 16 39 -23 12  
SINCE JUL 1 3 0 3 3  
 
COOLING  
YESTERDAY 0 7 -7 0  
MONTH TO DATE 133 126 7 96  
SINCE JUN 1 337 268 69 255  
SINCE JAN 1 364 306 58 272    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 7.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 AM  
LOWEST 71 200 PM  
AVERAGE 86  
   
......................................................  
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 101 1940  
MINIMUM TEMPERATURE (F) 61 46 1912  
 
SUNRISE AND SUNSET  
JULY 19 2025..........SUNRISE 551 AM CDT SUNSET 848 PM CDT  
JULY 20 2025..........SUNRISE 552 AM CDT SUNSET 847 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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