656  
CDUS43 KDMX 160638  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1238 AM CST SAT DEC 16 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 15 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 45 1240 PM 69 2021 30 15 31  
MINIMUM 26 704 AM -20 1922 14 12 20  
AVERAGE 36 22 14 26  
 
PRECIPITATION (IN)  
YESTERDAY T 0.80 2012 0.04 -0.04 0.13  
MONTH TO DATE T 0.66 -0.66 0.73  
SINCE DEC 1 T 0.66 -0.66 0.73  
SINCE JAN 1 24.29 35.62 -11.33 28.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.0 1940 0.3 -0.3 2.6  
MONTH TO DATE T 4.0 -4.0 6.5  
SINCE DEC 1 T 4.0 -4.0 6.5  
SINCE JUL 1 1.9 7.4 -5.5 10.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 43 -14 39  
MONTH TO DATE 531 611 -80 577  
SINCE DEC 1 531 611 -80 577  
SINCE JUL 1 1913 2268 -355 2189  
 
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 10 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 4.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1000 PM  
LOWEST 62 1200 PM  
AVERAGE 77  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 61 1939  
MINIMUM TEMPERATURE (F) 13 -21 1932  
 
SUNRISE AND SUNSET  
DECEMBER 16 2023......SUNRISE 739 AM CST SUNSET 439 PM CST  
DECEMBER 17 2023......SUNRISE 739 AM CST SUNSET 439 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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