Somewhat elevated numbers in a spreadsheet? (4)
I believe the answer is:
data
'numbers in a spreadsheet?' is the definition.
(data may be recorded in a spreadsheet)
'somewhat elevated' is the wordplay.
'somewhat' becomes 'a tad' ('a tad' can mean 'somewhat' or 'slightly').
'elevated' says the letters should be written in reverse (in a down clue, letters go up).
'atad' in reverse letter order is 'DATA'.
(Other definitions for data that I've seen before include "Computer info" , "tables, perhaps" , "Facts and figures as fed to computers (4)" , "Gathered stats" , "Collected information" .)