871  
CDUS43 KDMX 210648  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1248 AM CST TUE JAN 21 2025  
   
...............................  
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR JANUARY 20 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 -1 1240 PM 52 2018 24 -25 5  
MINIMUM -18 1159 PM -25 1985 6 -24 -13  
1994  
AVERAGE -9 15 -24 -4  
 
PRECIPITATION (IN)  
YESTERDAY T 1.06 1990 0.03 -0.03 0.00  
MONTH TO DATE T 0.57 -0.57 0.71  
SINCE DEC 1 1.12 1.86 -0.74 1.98  
SINCE JAN 1 T 0.57 -0.57 0.71  
 
SNOWFALL (IN)  
YESTERDAY MM 10.8 1990 0.4 MM 0.0  
MONTH TO DATE 0.0 7.1 -7.1 10.6  
SINCE DEC 1 2.8 16.5 -13.7 11.1  
SINCE JUL 1 3.3 19.9 -16.6 13.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 74 50 24 69  
MONTH TO DATE 1022 985 37 1040  
SINCE DEC 1 2230 2330 -100 2086  
SINCE JUL 1 3448 3987 -539 3468  
 
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 23 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 12.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 800 AM  
LOWEST 47 200 PM  
AVERAGE 61  
   
......................................................  
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 24 48 1921  
MINIMUM TEMPERATURE (F) 6 -29 1970  
 
SUNRISE AND SUNSET  
JANUARY 21 2025.......SUNRISE 738 AM CST SUNSET 512 PM CST  
JANUARY 22 2025.......SUNRISE 738 AM CST SUNSET 513 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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