condition	mean	min	max
0 h after light	15.1533	14.4832	15.8234
4 h after light	8.822305	7.65547	9.98914
8 h after light	8.73785	8.69097	8.78473
4 h after dark	10.925325	9.39145	12.4592
8 h after dark	12.83885	11.8843	13.7934
12 h after dark	13.337900000000001	12.0105	14.6653