condition	mean	min	max
0 h after light	18.2402	17.2342	19.2462
4 h after light	12.37265	12.0004	12.7449
8 h after light	17.10405	16.0826	18.1255
4 h after dark	19.2221	19.1658	19.2784
8 h after dark	16.601399999999998	15.9766	17.2262
12 h after dark	16.500700000000002	15.2472	17.7542