condition	mean	min	max
0 h after light	5.23114	5.18177	5.28051
4 h after light	5.328725	5.24107	5.41638
8 h after light	5.5321	5.27472	5.78948
4 h after dark	2.83599	2.50071	3.17127
8 h after dark	3.18153	3.03564	3.32742
12 h after dark	5.140755	5.06209	5.21942