condition	mean	min	max
4 h after light	8.0822665	7.701771	8.462762
8 h after light	9.092838	7.987016	10.19866
12 h after light	8.5143115	8.462762	8.565861
4 h after dark	8.913887500000001	8.392801	9.434974
8 h after dark	8.271998	8.081234	8.462762
12 h after dark	9.233933	9.233933	9.233933