condition	mean	min	max
0 h after light	15.17	15.0382	15.3018
4 h after light	3.889335	2.20313	5.57554
8 h after light	2.29839	1.37882	3.21796
4 h after dark	6.492445	5.76614	7.21875
8 h after dark	4.1437	3.7676	4.5198
12 h after dark	9.056265	8.61158	9.50095