condition mean min max 0 h after light 24.6691 23.3396 25.9986 4 h after light 12.64705 12.1569 13.1372 8 h after light 8.5595 8.24449 8.87451 4 h after dark 14.57335 12.4021 16.7446 8 h after dark 22.18505 20.6708 23.6993 12 h after dark 26.095550000000003 23.0558 29.1353