920  
CDUS43 KDMX 220628  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1228 AM CST FRI DEC 22 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 21 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 40 235 PM 55 1941 28 12 9  
MINIMUM 26 330 AM -23 1989 12 14 -7  
AVERAGE 33 20 13 1  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.90 1920 0.04 -0.04 0.19  
MONTH TO DATE 0.11 0.91 -0.80 1.10  
SINCE DEC 1 0.11 0.91 -0.80 1.10  
SINCE JAN 1 24.40 35.87 -11.47 28.86  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.0 1920 0.3 -0.3 2.6  
MONTH TO DATE T 6.0 -6.0 12.1  
SINCE DEC 1 T 6.0 -6.0 12.1  
SINCE JUL 1 1.9 9.4 -7.5 16.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 45 -13 64  
MONTH TO DATE 746 878 -132 919  
SINCE DEC 1 746 878 -132 919  
SINCE JUL 1 2128 2535 -407 2531  
 
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 15 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 8.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 900 PM  
LOWEST 70 1100 AM  
AVERAGE 85  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 27 55 1941  
MINIMUM TEMPERATURE (F) 12 -22 1989  
 
SUNRISE AND SUNSET  
DECEMBER 22 2023......SUNRISE 742 AM CST SUNSET 441 PM CST  
DECEMBER 23 2023......SUNRISE 743 AM CST SUNSET 442 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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