condition	mean	min	max
0 h after light	3.78463	3.52896	4.0403
4 h after light	8.532995	5.13679	11.9292
8 h after light	17.67305	15.3954	19.9507
4 h after dark	15.131699999999999	14.8538	15.4096
8 h after dark	9.71128	7.00976	12.4128
12 h after dark	4.974285	4.53114	5.41743