condition mean min max 0 h after light 0.32621900000000004 0.236981 0.415457 4 h after light 0.3261545 0.301833 0.350476 8 h after light 0.2395385 0.117228 0.361849 4 h after dark 0.2913925 0.233666 0.349119 8 h after dark 0.49867400000000006 0.350096 0.647252 12 h after dark 0.2932515 0.231508 0.354995