condition	mean	min	max
4 h after light	5.5667366666666664	5.49768	5.611330000000001
8 h after light	5.49668	5.35194	5.60945
12 h after light	5.569723333333333	5.40817	5.80122
4 h after dark	5.64635	5.51358	5.7491900000000005
8 h after dark	5.731913333333333	5.63451	5.80143
12 h after dark	5.78107	5.65998	5.97529