810  
CDUS43 KDMX 130634  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
134 AM CDT SUN AUG 13 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR AUGUST 12 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 86 225 PM 97 1937 81 5 72  
MINIMUM 59 545 AM 44 1967 59 0 63  
AVERAGE 73 70 3 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.69 1987 0.11 -0.11 0.00  
2000  
MONTH TO DATE 1.27 1.48 -0.21 4.75  
SINCE JUN 1 5.69 11.30 -5.61 12.07  
SINCE JAN 1 17.83 25.00 -7.17 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 2 -2 0  
SINCE JUN 1 32 51 -19 28  
SINCE JUL 1 18 12 6 0  
 
COOLING  
YESTERDAY 8 5 3 3  
MONTH TO DATE 92 68 24 79  
SINCE JUN 1 442 422 20 479  
SINCE JAN 1 487 460 27 547    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 8.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 300 AM  
LOWEST 37 100 PM  
AVERAGE 67  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 101 1965  
MINIMUM TEMPERATURE (F) 58 40 1897  
 
SUNRISE AND SUNSET  
AUGUST 13 2023........SUNRISE 617 AM CDT SUNSET 819 PM CDT  
AUGUST 14 2023........SUNRISE 618 AM CDT SUNSET 818 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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