591  
CDUS43 KDMX 200634  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
134 AM CDT SAT MAY 20 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR MAY 19 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 57 329 PM 97 1934 71 -14 89  
MINIMUM 42 1152 PM 27 1929 48 -6 54  
AVERAGE 50 60 -10 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.31 2013 0.17 -0.17 0.26  
MONTH TO DATE 3.55 3.10 0.45 0.73  
SINCE MAR 1 8.25 9.54 -1.29 7.86  
SINCE JAN 1 12.14 11.65 0.49 8.98  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.3 -0.3 0.0  
SINCE MAR 1 8.4 10.3 -1.9 2.9  
SINCE JUL 1 45.0 44.4 0.6 25.8  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 7 8 0  
MONTH TO DATE 113 186 -73 146  
SINCE MAR 1 1755 1756 -1 1818  
SINCE JUL 1 7492 7547 -55 7367  
 
COOLING  
YESTERDAY 0 1 -1 7  
MONTH TO DATE 6 10 -4 44  
SINCE MAR 1 16 13 3 44  
SINCE JAN 1 16 13 3 44    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 16.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 1100 PM  
LOWEST 51 1100 AM  
AVERAGE 67  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 96 1934  
MINIMUM TEMPERATURE (F) 49 28 1907  
 
SUNRISE AND SUNSET  
MAY 20 2023...........SUNRISE 545 AM CDT SUNSET 835 PM CDT  
MAY 21 2023...........SUNRISE 544 AM CDT SUNSET 836 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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