condition	mean	min	max
0 h after light	9.38856	9.29964	9.47748
4 h after light	8.23222	8.19421	8.27023
8 h after light	7.81179	7.56958	8.054
4 h after dark	10.74035	10.0001	11.4806
8 h after dark	8.6179	8.01608	9.21972
12 h after dark	9.528075	8.64135	10.4148