732  
CDUS43 KDMX 180629  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1229 AM CST WED DEC 18 2024  
   
...............................  
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 17 2024  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1893 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 30 221 PM 57 1939 29 1 37  
MINIMUM 23 742 AM -18 1983 13 10 28  
AVERAGE 27 21 6 33  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.50 1977 0.04 -0.03 T  
MONTH TO DATE 0.09 0.74 -0.65 0.11  
SINCE DEC 1 0.09 0.74 -0.65 0.11  
SINCE JAN 1 32.84 35.70 -2.86 24.40  
 
SNOWFALL (IN)  
YESTERDAY MM 4.0 1990 0.4 MM T  
MONTH TO DATE 0.6 4.7 -4.1 T  
SINCE DEC 1 0.6 4.7 -4.1 T  
SINCE JUL 1 1.1 8.1 -7.0 1.9  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 38 44 -6 32  
MONTH TO DATE 703 699 4 590  
SINCE DEC 1 703 699 4 590  
SINCE JUL 1 1921 2356 -435 1972  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 626 602 24 743    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 10.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LT FREEZING RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 800 PM  
LOWEST 71 200 PM  
AVERAGE 82  
   
......................................................  
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 61 1923  
MINIMUM TEMPERATURE (F) 13 -26 1983  
 
SUNRISE AND SUNSET  
DECEMBER 18 2024......SUNRISE 740 AM CST SUNSET 440 PM CST  
DECEMBER 19 2024......SUNRISE 741 AM CST SUNSET 440 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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