condition	mean	min	max
0 h after light	6.42284	5.67286	7.17282
4 h after light	8.055615	6.15459	9.95664
8 h after light	18.858800000000002	16.4284	21.2892
4 h after dark	27.4981	23.9146	31.0816
8 h after dark	9.01137	8.08681	9.93593
12 h after dark	7.254175	5.7494	8.75895