condition	mean	min	max
0 h after light	2.45112	2.40328	2.49896
4 h after light	3.845405	3.15735	4.53346
8 h after light	1.55571	1.4834	1.62802
4 h after dark	2.06568	2.06161	2.06975
8 h after dark	3.16149	2.68046	3.64252
12 h after dark	3.208405	3.19437	3.22244