condition	mean	min	max
4 h after light	1.840675	1.37405	2.3073
8 h after light	2.12482	1.84115	2.40849
12 h after light	3.06231	2.15031	3.97431
4 h after dark	5.216495	4.034	6.39899
8 h after dark	3.39813	3.31469	3.48157
12 h after dark	2.200165	1.8942	2.50613