689  
CDUS43 KDMX 160630  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
130 AM CDT WED AUG 16 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR AUGUST 15 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 78 359 PM 100 1988 80 -2 73  
MINIMUM 51 420 AM 39 1979 58 -7 56  
AVERAGE 65 69 -4 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.76 1977 0.13 -0.13 0.00  
MONTH TO DATE 1.76 1.86 -0.10 4.75  
SINCE JUN 1 6.18 11.68 -5.50 12.07  
SINCE JAN 1 18.32 25.38 -7.06 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 5 -5 0  
SINCE JUN 1 32 54 -22 28  
SINCE JUL 1 18 15 3 0  
 
COOLING  
YESTERDAY 0 5 -5 0  
MONTH TO DATE 92 83 9 84  
SINCE JUN 1 442 437 5 484  
SINCE JAN 1 487 475 12 552    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 7.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 40 200 PM  
AVERAGE 70  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 101 1937  
MINIMUM TEMPERATURE (F) 58 40 1897  
 
SUNRISE AND SUNSET  
AUGUST 16 2023........SUNRISE 620 AM CDT SUNSET 815 PM CDT  
AUGUST 17 2023........SUNRISE 621 AM CDT SUNSET 813 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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