condition	mean	min	max
0 h after light	1.555965	1.49255	1.61938
4 h after light	1.30359	1.14107	1.46611
8 h after light	2.54514	2.27053	2.81975
4 h after dark	2.68468	2.19931	3.17005
8 h after dark	2.51295	2.37985	2.64605
12 h after dark	1.530045	1.5132	1.54689