condition mean min max 4 h after light 152.9378335 151.850278 154.025389 8 h after light 170.43334700000003 154.788483 186.078211 12 h after light 158.242458 142.264902 174.220014 4 h after dark 198.38590299999998 156.30898 240.462826 8 h after dark 180.97953 147.813061 214.145999 12 h after dark 157.246489 157.246489 157.246489