condition	mean	min	max
4 h after light	5.48002	5.34964	5.72676
8 h after light	5.24513	5.09419	5.377759999999999
12 h after light	5.261943333333333	4.953069999999999	5.7146
4 h after dark	5.43846	5.36305	5.52951
8 h after dark	5.44451	5.1187	5.65334
12 h after dark	5.418443333333333	5.254	5.52194