condition mean min max 4 h after light 56.4 56.4 56.4 8 h after light 80.30000000000001 66.7 93.9 12 h after light 110.30000000000001 87.8 132.8 4 h after dark 51.05 48.3 53.8 8 h after dark 66.1 48.0 84.2 12 h after dark 50.050000000000004 34.2 65.9