condition mean min max 4 h after light 66.4 66.4 66.4 8 h after light 69.2 52.0 86.4 12 h after light 47.4 45.5 49.3 4 h after dark 33.1 9.5 56.7 8 h after dark 68.30000000000001 32.2 104.4 12 h after dark 13.850000000000001 4.4 23.3