229  
CDUS43 KDMX 180634  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1234 AM CST SAT JAN 18 2025  
   
...............................  
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR JANUARY 17 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 46 108 PM 49 1996 24 22 14  
MINIMUM 15 1159 PM -24 1930 7 8 0  
AVERAGE 31 15 16 7  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.39 1996 0.03 -0.03 0.00  
MONTH TO DATE T 0.49 -0.49 0.66  
SINCE DEC 1 1.12 1.78 -0.66 1.93  
SINCE JAN 1 T 0.49 -0.49 0.66  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.1 2020 0.4 -0.4 0.0  
MONTH TO DATE 0.0 6.0 -6.0 9.7  
SINCE DEC 1 2.8 15.4 -12.6 10.2  
SINCE JUL 1 3.3 18.8 -15.5 12.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 50 -16 58  
MONTH TO DATE 819 835 -16 847  
SINCE DEC 1 2027 2180 -153 1893  
SINCE JUL 1 3245 3837 -592 3275  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 20.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 300 AM  
LOWEST 49 100 PM  
AVERAGE 67  
   
......................................................  
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 24 50 1944  
MINIMUM TEMPERATURE (F) 7 -30 1967  
 
SUNRISE AND SUNSET  
JANUARY 18 2025.......SUNRISE 740 AM CST SUNSET 508 PM CST  
JANUARY 19 2025.......SUNRISE 740 AM CST SUNSET 509 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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