Manage large data. Extract values only on specified dates

Originally Posted by millz

I see, so you want the same date range over all years. If this is a one-time process, maybe you can just Date filter -> and use Between..., and repeat for each year?

Exactly! I want the same range over all years! The problem is that it is not a one-time process.. I have this kind of data for different station locations so I have like 30 Excel files with this kind of data, and some of these Excel files have data from 1950 to 2016.. Thats a lot of Winters... :\

Regards