condition mean min max 0 h after light 35.5741 33.1736 37.9746 2 h after light 22.0347 19.9565 24.1129 4 h after light 14.6025 14.3403 14.8647 8 h after light 16.52635 15.0511 18.0016 12 h after light 41.91575 39.4391 44.3924 2 h after dark 54.5824 50.6318 58.533 4 h after dark 64.62315 63.4237 65.8226 8 h after dark 66.1662 56.3667 75.9657 12 h after dark 51.8123 51.1273 52.4973