condition mean min max 4 h after light 6.760125 4.83951 8.68074 8 h after light 5.6889400000000006 5.63238 5.7455 12 h after light 6.2682400000000005 5.83319 6.70329 4 h after dark 13.589400000000001 12.582 14.1903 8 h after dark 7.5383466666666665 4.91129 9.82154 12 h after dark 8.710866666666666 7.51051 9.72037