condition	mean	min	max
4 h after light	4.08266	3.8169	4.34842
8 h after light	3.865235	3.58877	4.1417
12 h after light	4.139285	4.08207	4.1965
4 h after dark	8.497845	8.35477	8.64092
8 h after dark	10.75525	10.5385	10.972
12 h after dark	8.449325	8.16337	8.73528