In Excel the unit of time is â the Day ,â a key fact to know. Youâll notice that Dates are integers, and Time is a fractional number. You can add the two together to get a Date/Time format. So adding a Date serial number, like 40518, to a Time serial number, like 0.25, gives us 40518.25.
Valley Center, California. Valley Center is a census-designated place (CDP) in North San Diego County, California. The population was 3,277 at the 2010 census, up from 1,865 at the 2000 census.
Valley Center, CA Weather. The average temperature of Valley Center is 64.52Â°F, which is higher than the California average temperature of 61.17Â°F and is much higher than the national average temperature of 54.45Â°F. Historical Weather. Heating Cost Index, #269.