> dput(head(arbremax)) structure(list(TIMESTAMP = structure(c(1531958400.2, 1531958400.4, 1531958400.6, 1531958400.8, 1531958401, 1531958401.2), class = c("POSIXct", "POSIXt"), tzone = "UTC"), `1` = c(49.163483091668, 49.1927832741759, 49.1870333101957, 49.179875801785...