condition	mean	min	max
0 h after light	30.8906	30.476	31.3052
4 h after light	9.502895	9.14244	9.86335
8 h after light	8.175025000000002	8.13624	8.21381
4 h after dark	9.46633	8.25516	10.6775
8 h after dark	11.3252	10.5637	12.0867
12 h after dark	18.6418	13.9037	23.3799