condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0284299 0.0 0.0568598 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0298593 0.0 0.0597186 4 h after dark 0.02786035 0.0 0.0557207 8 h after dark 0.0640715 0.062899 0.065244 12 h after dark 0.0 0.0 0.0