condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.05449866666666667 0.0 0.326992 18 h after light 0.05690833333333333 0.0 0.34145 2 h after dark 0.0 0.0 0.0