condition	mean	min	max
4 h after light	1.482695	1.44135	1.52404
8 h after light	2.430285	2.27662	2.58395
12 h after light	2.598155	2.15664	3.03967
4 h after dark	5.26954	3.92793	6.61115
8 h after dark	2.567705	2.3119	2.82351
12 h after dark	2.038925	1.76801	2.30984