condition	mean	min	max
0 h after light	15.1583	14.0057	16.3109
4 h after light	9.509045	7.91409	11.104
8 h after light	3.50237	3.16257	3.84217
4 h after dark	3.8194150000000002	2.68045	4.95838
8 h after dark	7.49545	6.1197	8.8712
12 h after dark	22.4939	17.4517	27.5361