condition mean min max 0 h after light 0.03583965 0.0 0.0716793 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 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 0.01449925 0.0 0.0289985 12 h after dark 0.0 0.0 0.0