condition mean min max 4 h after light 184.7800345 153.097243 216.462826 8 h after light 186.0025085 158.845449 213.159568 12 h after light 201.851404 182.624597 221.078211 4 h after dark 241.87642449999998 199.366946 284.385903 8 h after dark 254.0866835 253.60631 254.567057 12 h after dark 256.142556 256.142556 256.142556