condition	mean	min	max
4 h after light	8.772205	8.70775	8.83666
8 h after light	5.288130000000001	4.77817	5.79809
12 h after light	3.52158	3.25073	3.79243
4 h after dark	6.157755	5.68259	6.63292
8 h after dark	4.860615	4.489	5.23223
12 h after dark	7.33091	6.82537	7.83645