904  
CDUS43 KDMX 300628  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
128 AM CDT MON JUN 30 2025  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR JUNE 29 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 83 238 PM 102 1970 82 1 74  
MINIMUM 67 1154 PM 42 1923 60 7 52  
AVERAGE 75 71 4 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.66 1969 0.17 -0.17 0.00  
MONTH TO DATE 8.99 5.23 3.76 5.64  
SINCE JUN 1 8.99 5.23 3.76 5.64  
SINCE JAN 1 19.69 18.93 0.76 21.50  
 
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 20.3 44.4 -24.1 17.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 2  
MONTH TO DATE 13 37 -24 6  
SINCE JUN 1 13 37 -24 6  
SINCE JUL 1 6761 7644 -883 6304  
 
COOLING  
YESTERDAY 10 7 3 0  
MONTH TO DATE 195 134 61 159  
SINCE JUN 1 195 134 61 159  
SINCE JAN 1 222 172 50 176    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 4.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1100 PM  
LOWEST 58 1200 PM  
AVERAGE 77  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 101 1933  
MINIMUM TEMPERATURE (F) 60 42 1943  
 
SUNRISE AND SUNSET  
JUNE 30 2025..........SUNRISE 537 AM CDT SUNSET 857 PM CDT  
JULY 1 2025..........SUNRISE 538 AM CDT SUNSET 857 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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