condition	mean	min	max
0 h after light	12.282	11.6254	12.9386
4 h after light	13.5334	13.4553	13.6115
8 h after light	16.6529	15.8863	17.4195
4 h after dark	19.03185	18.4787	19.585
8 h after dark	14.71275	13.8595	15.566
12 h after dark	15.442350000000001	15.0525	15.8322