condition	mean	min	max
0 h after light	4.210915	4.03921	4.38262
4 h after light	4.501755	4.35839	4.64512
8 h after light	4.50716	4.23187	4.78245
4 h after dark	4.392435	3.65004	5.13483
8 h after dark	4.422765	4.22981	4.61572
12 h after dark	5.206965	5.0839	5.33003