condition	mean	min	max
4 h after light	54.67765	54.2419	55.1134
8 h after light	54.88085	52.7364	57.0253
12 h after light	37.6516	31.9031	43.4001
4 h after dark	47.9683	47.8509	48.0857
8 h after dark	51.5981	44.442	58.7542
12 h after dark	49.7446	46.2378	53.2514