condition	mean	min	max
0 h after light	1.79439	1.72402	1.86476
4 h after light	1.68737	1.47807	1.89667
8 h after light	2.186785	2.13645	2.23712
4 h after dark	2.26194	2.20493	2.31895
8 h after dark	2.24187	2.08448	2.39926
12 h after dark	1.80099	1.75913	1.84285