condition mean min max 4 h after light 5.77013 2.95911 9.40109 8 h after light 4.26382 1.25844 7.78266 12 h after light 6.15252 2.85571 9.90642 4 h after dark 9.871346666666668 6.63534 12.2012 8 h after dark 8.007909999999999 4.7222 10.0269 12 h after dark 7.9899933333333335 6.32379 10.2517