condition	mean	min	max
0 h after light	6.5992750000000004	6.23669	6.96186
4 h after light	4.56082	4.12864	4.993
8 h after light	4.8223199999999995	4.444	5.20064
4 h after dark	6.13466	5.0657	7.20362
8 h after dark	6.520355	6.4596	6.58111
12 h after dark	7.395490000000001	7.05007	7.74091