209  
CDUS43 KDMX 170630  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
130 AM CDT THU AUG 17 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR AUGUST 16 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 83 321 PM 101 1937 80 3 78  
MINIMUM 54 524 AM 40 1897 58 -4 55  
AVERAGE 69 69 0 67  
 
PRECIPITATION (IN)  
YESTERDAY T 1.77 1980 0.12 -0.12 0.00  
MONTH TO DATE 1.76 1.98 -0.22 4.75  
SINCE JUN 1 6.18 11.80 -5.62 12.07  
SINCE JAN 1 18.32 25.50 -7.18 22.89  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 6 -6 0  
SINCE JUN 1 32 55 -23 28  
SINCE JUL 1 18 16 2 0  
 
COOLING  
YESTERDAY 4 5 -1 2  
MONTH TO DATE 96 88 8 86  
SINCE JUN 1 446 442 4 486  
SINCE JAN 1 491 480 11 554    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 13.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 500 AM  
LOWEST 53 200 PM  
AVERAGE 73  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 101 1988  
MINIMUM TEMPERATURE (F) 58 43 1895  
 
SUNRISE AND SUNSET  
AUGUST 17 2023........SUNRISE 621 AM CDT SUNSET 813 PM CDT  
AUGUST 18 2023........SUNRISE 622 AM CDT SUNSET 812 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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