condition mean min max 2 h after light 2.4862326666666665 0.322496 5.80059 6 h after light 1.7627555 0.497977 4.7668 10 h after light 3.1499603333333335 0.683472 5.44895 14 h after light 1.743214 0.0 3.42046 18 h after light 1.4679351666666665 0.286506 4.4007 2 h after dark 6.374055 1.78304 14.3588