condition	mean	min	max
4 h after light	20.967200000000002	16.4899	28.42
8 h after light	0.820659	0.426127	1.47293
12 h after light	0.350929	0.258979	0.476118
4 h after dark	0.5988863333333333	0.445824	0.83677
8 h after dark	4.9127833333333335	2.51982	7.17609
12 h after dark	24.8645	19.989	32.6324