condition	mean	min	max
4 h after light	2.83658	1.41003	4.26313
8 h after light	3.1764449999999997	1.72699	4.6259
12 h after light	2.5754925	0.932585	4.2184
4 h after dark	4.31049	1.2468	7.37418
8 h after dark	2.29878	2.15565	2.44191
12 h after dark	1.93056	1.81906	2.04206