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 0.0 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 0.5276 0.0 1.0552 4 h after dark 0.985105 0.0 1.97021 8 h after dark 0.55587 0.0 1.11174 12 h after dark 0.0 0.0 0.0