condition	mean	min	max
0 h after light	18.8811	18.0881	19.6741
4 h after light	1.24925	1.18738	1.31112
8 h after light	0.6813994999999999	0.520182	0.842617
4 h after dark	0.754972	0.418234	1.09171
8 h after dark	0.6315815	0.592115	0.671048
12 h after dark	5.559065	1.08163	10.0365