condition mean min max 0 h after light 9.435975 8.8893 9.98265 4 h after light 15.281400000000001 10.4856 20.0772 8 h after light 4.42622 3.93761 4.91483 4 h after dark 9.536999999999999 8.3304 10.7436 8 h after dark 21.1918 19.7643 22.6193 12 h after dark 14.69425 11.924 17.4645