680  
CDUS43 KDMX 180637  
CLIMCW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
137 AM CDT TUE JUL 18 2023  
   
...............................
 
 
   
..THE MASON CITY IA CLIMATE SUMMARY FOR JULY 17 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 73 201 PM 104 1936 83 -10 85  
MINIMUM 50 514 AM 42 1911 61 -11 61  
AVERAGE 62 72 -10 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.76 2016 0.14 -0.14 0.00  
MONTH TO DATE 1.61 2.49 -0.88 1.26  
SINCE JUN 1 4.18 7.88 -3.70 6.81  
SINCE JAN 1 16.32 21.58 -5.26 17.63  
 
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 3 0 3 0  
MONTH TO DATE 17 0 17 0  
SINCE JUN 1 31 39 -8 28  
SINCE JUL 1 17 0 17 0  
 
COOLING  
YESTERDAY 0 7 -7 8  
MONTH TO DATE 72 119 -47 139  
SINCE JUN 1 248 261 -13 308  
SINCE JAN 1 293 299 -6 376    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 7.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 100 AM  
LOWEST 49 200 PM  
AVERAGE 71  
   
......................................................
 
 
THE MASON CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 100 1940  
MINIMUM TEMPERATURE (F) 61 43 1914  
 
SUNRISE AND SUNSET  
JULY 18 2023..........SUNRISE 550 AM CDT SUNSET 849 PM CDT  
JULY 19 2023..........SUNRISE 551 AM CDT SUNSET 848 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IA Page Main Text Page