condition	mean	min	max
0 h after light	1.63394	1.38279	1.88509
4 h after light	1.6337549999999998	1.56352	1.70399
8 h after light	1.194235	1.17794	1.21053
4 h after dark	1.729355	1.63701	1.8217
8 h after dark	2.35518	2.28328	2.42708
12 h after dark	1.749625	1.66469	1.83456