condition	mean	min	max
4 h after light	4.2186	4.00135	4.43585
8 h after light	5.330605	5.11861	5.5426
12 h after light	5.208265	4.76363	5.6529
4 h after dark	7.79157	7.09166	8.49148
8 h after dark	8.318159999999999	7.16591	9.47041
12 h after dark	6.13049	6.07976	6.18122