condition mean min max 0 h after light 121.41 118.932 123.888 4 h after light 67.08785 61.3704 72.8053 8 h after light 46.97725 45.6597 48.2948 4 h after dark 160.52300000000002 134.586 186.46 8 h after dark 141.628 132.303 150.953 12 h after dark 146.416 140.779 152.053