condition	mean	min	max
0 h after light	5.408855000000001	4.32246	6.49525
4 h after light	5.043265	4.40426	5.68227
8 h after light	7.345695	7.08889	7.6025
4 h after dark	11.2255	10.8489	11.6021
8 h after dark	8.30955	7.63193	8.98717
12 h after dark	6.383560000000001	4.55646	8.21066