condition	mean	min	max
0 h after light	3.479	3.22752	3.73048
4 h after light	8.30645	5.5728	11.0401
8 h after light	3.446205	2.40457	4.48784
4 h after dark	2.5886649999999998	1.44332	3.73401
8 h after dark	3.585605	3.52233	3.64888
12 h after dark	2.177435	2.15346	2.20141