condition mean min max 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 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0012442766666666666 0.0 0.00373283 12 h after dark 0.0105855 0.0 0.0317565