condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.072157 0.0 0.144314 4 h after light 0.0353024 0.0 0.0706048 8 h after light 0.03705215 0.0 0.0741043 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0