condition	mean	min	max
0 h after light	8.219840000000001	7.97944	8.46024
4 h after light	5.346439999999999	4.51595	6.17693
8 h after light	3.75727	3.33201	4.18253
4 h after dark	6.23438	5.49515	6.97361
8 h after dark	7.29783	7.0243	7.57136
12 h after dark	7.938615	6.41952	9.45771