911  
CDUS43 KDMX 180628  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
1228 AM CST SUN DEC 18 2022  
   
...............................  
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR DECEMBER 17 2022  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1893 TO 2022  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 18 102 AM 57 1939 29 -11 31  
MINIMUM 6 1159 PM -18 1983 13 -7 14  
AVERAGE 12 21 -9 23  
 
PRECIPITATION (IN)  
YESTERDAY T 0.50 1977 0.04 -0.04 0.00  
MONTH TO DATE 0.78 0.74 0.04 0.65  
SINCE DEC 1 0.78 0.74 0.04 0.65  
SINCE JAN 1 28.54 35.70 -7.16 29.69  
 
SNOWFALL (IN)  
YESTERDAY MM 7.0 1921 0.4 MM 0.0  
MONTH TO DATE 7.7 4.7 3.0 3.9  
SINCE DEC 1 7.7 4.7 3.0 3.9  
SINCE JUL 1 11.7 8.1 3.6 4.9  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 53 44 9 42  
MONTH TO DATE 674 699 -25 557  
SINCE DEC 1 674 699 -25 557  
SINCE JUL 1 2286 2356 -70 1863  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 675 602 73 802    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 19.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 1200 AM  
LOWEST 79 1000 PM  
AVERAGE 82  
   
......................................................  
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 61 1923  
MINIMUM TEMPERATURE (F) 13 -26 1983  
 
SUNRISE AND SUNSET  
DECEMBER 18 2022......SUNRISE 740 AM CST SUNSET 440 PM CST  
DECEMBER 19 2022......SUNRISE 741 AM CST SUNSET 440 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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