condition	mean	min	max
4 h after light	54.7	54.7	54.7
8 h after light	17.45	16.7	18.2
12 h after light	63.2	59.1	67.3
4 h after dark	64.19999999999999	62.8	65.6
8 h after dark	22.85	19.7	26.0
12 h after dark	21.6	13.7	29.5