condition	mean	min	max
4 h after light	1.334595	1.30217	1.36702
8 h after light	3.70084	3.36698	4.0347
12 h after light	6.161965	5.88518	6.43875
4 h after dark	6.835325	6.81009	6.86056
8 h after dark	4.05878	3.94645	4.17111
12 h after dark	2.820485	2.51447	3.1265