condition	mean	min	max
0 h after light	6.357530000000001	5.59766	7.1174
4 h after light	3.438905	2.63243	4.24538
8 h after light	4.851005	4.16398	5.53803
4 h after dark	6.566135	5.73163	7.40064
8 h after dark	5.641360000000001	5.34564	5.93708
12 h after dark	6.70477	6.09935	7.31019