condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0141207 0.0 0.0423621 12 h after light 0.037123333333333335 0.0 0.11137 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0