207  
CDUS43 KDMX 300649  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1249 AM CST SAT DEC 30 2023  
   
...............................  
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 29 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 39 206 PM 47 1999 26 13 40  
MINIMUM 27 1143 PM -21 1917 10 17 21  
AVERAGE 33 18 15 31  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.65 1972 0.03 -0.03 T  
MONTH TO DATE 1.25 1.22 0.03 1.24  
SINCE DEC 1 1.25 1.22 0.03 1.24  
SINCE JAN 1 25.54 36.18 -10.64 29.00  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.0 1978 0.4 -0.4 0.0  
MONTH TO DATE 0.4 8.7 -8.3 15.3  
SINCE DEC 1 0.4 8.7 -8.3 15.3  
SINCE JUL 1 2.3 12.1 -9.8 19.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 47 -15 34  
MONTH TO DATE 971 1249 -278 1380  
SINCE DEC 1 971 1249 -278 1380  
SINCE JUL 1 2353 2906 -553 2992  
 
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 23 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 11.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 600 AM  
LOWEST 67 200 PM  
AVERAGE 82  
   
......................................................  
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 26 54 1965  
2004  
MINIMUM TEMPERATURE (F) 10 -20 1968  
 
SUNRISE AND SUNSET  
DECEMBER 30 2023......SUNRISE 745 AM CST SUNSET 447 PM CST  
DECEMBER 31 2023......SUNRISE 745 AM CST SUNSET 448 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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