163  
CDUS43 KDMX 170629  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
129 AM CDT SUN SEP 17 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 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 75 305 PM 94 1931 74 1 77  
MINIMUM 50 1123 PM 30 1937 49 1 57  
AVERAGE 63 62 1 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.55 2017 0.12 -0.12 0.01  
MONTH TO DATE 0.23 1.88 -1.65 1.05  
SINCE SEP 1 0.23 1.88 -1.65 1.05  
SINCE JAN 1 18.90 29.19 -10.29 26.31  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0  
2002  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 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 2 5 -3 0  
MONTH TO DATE 41 55 -14 34  
SINCE SEP 1 41 55 -14 34  
SINCE JUL 1 64 91 -27 34  
 
COOLING  
YESTERDAY 0 2 -2 2  
MONTH TO DATE 61 40 21 35  
SINCE SEP 1 61 40 21 35  
SINCE JAN 1 678 579 99 655    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 7.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 38 100 PM  
AVERAGE 69  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 94 1925  
MINIMUM TEMPERATURE (F) 48 31 1943  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2023.....SUNRISE 655 AM CDT SUNSET 720 PM CDT  
SEPTEMBER 18 2023.....SUNRISE 656 AM CDT SUNSET 718 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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