condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.02985 0.0 0.1791 10 h after light 0.018752666666666667 0.0 0.112516 14 h after light 0.0 0.0 0.0 18 h after light 0.0 0.0 0.0 2 h after dark 0.021253666666666667 0.0 0.127522