condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.575355 0.0 1.15071 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 0.0 0.0 0.0 12 h after dark 0.526105 0.0 1.05221