condition mean min max 4 h after light 51.60535 44.7094 58.5013 8 h after light 54.714600000000004 54.0535 55.3757 12 h after light 58.1625 52.2792 64.0458 4 h after dark 84.85965 79.7221 89.9972 8 h after dark 64.67345 62.8836 66.4633 12 h after dark 63.548049999999996 59.4845 67.6116