condition	mean	min	max
0 h after light	1.6481249999999998	1.59516	1.70109
4 h after light	2.5085050000000004	2.29328	2.72373
8 h after light	8.561045	7.57334	9.54875
4 h after dark	7.352515	6.82895	7.87608
8 h after dark	4.09222	3.75671	4.42773
12 h after dark	2.151135	1.33477	2.9675