condition	mean	min	max
4 h after light	0.0	0.0	0.0
8 h after light	2.71827	2.32401	3.11253
12 h after light	0.0	0.0	0.0
4 h after dark	3.75714	2.48085	5.03343
8 h after dark	1.853885	1.24322	2.46455
12 h after dark	3.4784	2.061	4.8958