condition	mean	min	max
0 h after light	13.719899999999999	13.1331	14.3067
4 h after light	9.372430000000001	9.10401	9.64085
8 h after light	2.6927700000000003	2.36844	3.0171
4 h after dark	1.878425	1.57363	2.18322
8 h after dark	8.03637	7.24162	8.83112
12 h after dark	11.00365	10.8152	11.1921