471  
CDUS43 KDMX 310637  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1237 AM CST SUN DEC 31 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 30 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 36 1128 AM 54 1965 26 10 26  
2004  
MINIMUM 23 436 AM -20 1968 10 13 15  
AVERAGE 30 18 12 21  
 
PRECIPITATION (IN)  
YESTERDAY T 0.75 1923 0.04 -0.04 0.00  
MONTH TO DATE 1.25 1.26 -0.01 1.24  
SINCE DEC 1 1.25 1.26 -0.01 1.24  
SINCE JAN 1 25.54 36.22 -10.68 29.00  
 
SNOWFALL (IN)  
YESTERDAY T 6.0 1923 0.3 -0.3 0.0  
MONTH TO DATE 0.4 9.0 -8.6 15.3  
SINCE DEC 1 0.4 9.0 -8.6 15.3  
SINCE JUL 1 2.3 12.4 -10.1 19.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 47 -12 44  
MONTH TO DATE 1006 1296 -290 1424  
SINCE DEC 1 1006 1296 -290 1424  
SINCE JUL 1 2388 2953 -565 3036  
 
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 24 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 13.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1200 AM  
LOWEST 79 1100 AM  
AVERAGE 86  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 25 52 1965  
MINIMUM TEMPERATURE (F) 9 -22 1976  
 
SUNRISE AND SUNSET  
DECEMBER 31 2023......SUNRISE 745 AM CST SUNSET 448 PM CST  
JANUARY 1 2024.......SUNRISE 745 AM CST SUNSET 449 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IA Page Main Text Page