condition	mean	min	max
4 h after light	1.505675	1.21202	1.79933
8 h after light	0.809809	0.787074	0.832544
12 h after light	0.8940885	0.598117	1.19006
4 h after dark	1.422475	1.30696	1.53799
8 h after dark	2.8959	2.36037	3.43143
12 h after dark	2.07402	2.06336	2.08468