condition mean min max 4 h after light 32.5 32.5 32.5 8 h after light 34.15 19.2 49.1 12 h after light 39.4 30.4 48.4 4 h after dark 22.0 3.6 40.4 8 h after dark 30.25 5.9 54.6 12 h after dark 34.900000000000006 21.1 48.7