condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0455113 0.0 0.0910226 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 0.03896145 0.0 0.0779229 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0