condition	mean	min	max
0 h after light	12.62735	11.3437	13.911
4 h after light	10.654679999999999	9.35236	11.957
8 h after light	4.424995	3.7732	5.07679
4 h after dark	8.857955	6.53091	11.185
8 h after dark	13.3891	11.9462	14.832
12 h after dark	18.79585	17.8645	19.7272