condition mean min max 2 h after light 5.46016 4.10605 7.45236 6 h after light 3.8760033333333332 2.56544 5.31916 10 h after light 5.045936666666667 2.6439 7.40776 14 h after light 5.1700333333333335 3.93075 6.38847 18 h after light 5.57026 3.55339 6.91423 2 h after dark 4.437525 3.42043 6.5226