condition mean min max 4 h after light 51.2 51.2 51.2 8 h after light 47.2 43.5 50.9 12 h after light 62.55 60.3 64.8 4 h after dark 61.75 41.5 82.0 8 h after dark 58.400000000000006 47.1 69.7 12 h after dark 39.9 33.4 46.4