condition	mean	min	max
4 h after light	3.613015	3.46265	3.76338
8 h after light	2.75904	2.52443	2.99365
12 h after light	3.27612	2.96375	3.58849
4 h after dark	4.64787	4.47261	4.82313
8 h after dark	4.2741	4.20353	4.34467
12 h after dark	4.435195	4.22811	4.64228