condition	mean	min	max
4 h after light	5.27921	4.93504	5.62338
8 h after light	4.177665	3.98908	4.36625
12 h after light	6.45956	6.06874	6.85038
4 h after dark	6.218975	5.17506	7.26289
8 h after dark	8.296425	7.55875	9.0341
12 h after dark	6.825065	6.71852	6.93161