condition	mean	min	max
4 h after light	1.686325	1.52636	1.84629
8 h after light	0.854093	0.730214	0.977972
12 h after light	1.509275	1.3356	1.68295
4 h after dark	1.797475	1.70907	1.88588
8 h after dark	2.540525	2.51047	2.57058
12 h after dark	2.504405	2.13073	2.87808