condition mean min max 4 h after light 0.03414105 0.0 0.0682821 8 h after light 0.0 0.0 0.0 12 h after light 0.0622995 0.0 0.124599 4 h after dark 0.0 0.0 0.0 8 h after dark 0.09631033333333333 0.0 0.288931 12 h after dark 0.2073888 0.0 0.543672