condition	mean	min	max
4 h after light	3.65513	1.3921	6.13447
8 h after light	2.288281	0.418233	4.00542
12 h after light	2.9726533333333336	1.25857	4.81046
4 h after dark	4.57972	2.47976	6.75336
8 h after dark	3.72397	2.05834	4.92375
12 h after dark	4.23447	3.4316	5.74264