condition mean min max 4 h after light 44.336 41.6367 47.0353 8 h after light 49.6368 48.7864 50.4872 12 h after light 41.76265 31.7371 51.7882 4 h after dark 82.00376666666666 75.8045 94.4012 8 h after dark 49.910000000000004 45.2204 54.1908 12 h after dark 48.317 47.1434 50.1896