condition	mean	min	max
0 h after light	8.863925	8.31079	9.41706
4 h after light	8.526165	7.76762	9.28471
8 h after light	11.45425	10.0425	12.866
4 h after dark	12.2481	11.0104	13.4858
8 h after dark	9.0901	8.68474	9.49546
12 h after dark	8.092410000000001	7.22823	8.95659