condition	mean	min	max
0 h after light	6.09549	5.72617	6.46481
4 h after light	8.216645	7.07951	9.35378
8 h after light	7.787195	7.03168	8.54271
4 h after dark	7.064445	6.27339	7.8555
8 h after dark	6.922219999999999	6.80328	7.04116
12 h after dark	5.38092	4.90155	5.86029