998  
CDUS43 KDMX 190629  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1229 AM CST TUE DEC 19 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 18 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1893 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 28 1213 AM 61 1923 29 -1 7  
MINIMUM 9 1158 PM -26 1983 13 -4 -2  
AVERAGE 19 21 -2 3  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.00 1930 0.04 -0.04 0.00  
MONTH TO DATE 0.11 0.78 -0.67 0.80  
SINCE DEC 1 0.11 0.78 -0.67 0.80  
SINCE JAN 1 24.40 35.74 -11.34 28.56  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.2 1968 0.3 -0.3 0.0  
MONTH TO DATE T 5.0 -5.0 8.1  
SINCE DEC 1 T 5.0 -5.0 8.1  
SINCE JUL 1 1.9 8.4 -6.5 12.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 46 44 2 62  
MONTH TO DATE 636 743 -107 736  
SINCE DEC 1 636 743 -107 736  
SINCE JUL 1 2018 2400 -382 2348  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 743 602 141 675    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 17.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 1000 PM  
LOWEST 46 100 PM  
AVERAGE 65  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 28 48 1979  
MINIMUM TEMPERATURE (F) 13 -26 1983  
 
SUNRISE AND SUNSET  
DECEMBER 19 2023......SUNRISE 741 AM CST SUNSET 440 PM CST  
DECEMBER 20 2023......SUNRISE 741 AM CST SUNSET 441 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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