condition mean min max 0 h after light 0.04994545 0.0 0.0998909 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 0.22035645 0.0394099 0.401303 2 h after dark 0.103878 0.0 0.207756 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0354959 0.0 0.0709918 12 h after dark 0.01405965 0.0 0.0281193