Surface net solar radiation of ERA5 monthly averaged data

ERA5 monthly averaged data on single levels from 1979 to present,I choose the Product type(Reanalysis) and Surface net solar radiation。I don't understand  that ssr-data(every point)  accumulate with an hour or one month ?

Hi,

maybe this link can help you:

ERA5: data documentation#Monthlymeans

Regads

Michela