condition	mean	min	max
0 h after light	14.232800000000001	13.0446	15.421
4 h after light	14.7412	13.7975	15.6849
8 h after light	9.46546	8.54712	10.3838
4 h after dark	4.821275	4.12321	5.51934
8 h after dark	4.502545	3.44563	5.55946
12 h after dark	13.561045	9.08399	18.0381