condition	mean	min	max
0 h after light	3.860295	3.60896	4.11163
4 h after light	2.27638	1.84889	2.70387
8 h after light	1.770985	1.47668	2.06529
4 h after dark	3.30938	2.46722	4.15154
8 h after dark	4.47889	4.4277	4.53008
12 h after dark	4.393675	3.66386	5.12349