526  
CDUS43 KDMX 120631  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
131 AM CDT TUE SEP 12 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR SEPTEMBER 11 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 75 349 PM 95 2000 76 -1 71  
MINIMUM 48 1136 PM 31 1894 51 -3 44  
AVERAGE 62 63 -1 58  
 
PRECIPITATION (IN)  
YESTERDAY T 1.84 1991 0.12 -0.12 0.00  
MONTH TO DATE 0.03 1.30 -1.27 1.04  
SINCE SEP 1 0.03 1.30 -1.27 1.04  
SINCE JAN 1 18.70 28.61 -9.91 26.30  
 
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 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 3 4 -1 7  
MONTH TO DATE 15 32 -17 20  
SINCE SEP 1 15 32 -17 20  
SINCE JUL 1 38 68 -30 20  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 61 30 31 29  
SINCE SEP 1 61 30 31 29  
SINCE JAN 1 678 569 109 649    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 6.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 300 AM  
LOWEST 32 300 PM  
AVERAGE 65  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 95 1927  
MINIMUM TEMPERATURE (F) 50 33 1940  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2023.....SUNRISE 649 AM CDT SUNSET 729 PM CDT  
SEPTEMBER 13 2023.....SUNRISE 650 AM CDT SUNSET 727 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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