condition	mean	min	max
0 h after light	20.130850000000002	19.6901	20.5716
4 h after light	17.43705	15.2621	19.612
8 h after light	11.66215	10.7807	12.5436
4 h after dark	18.69155	18.1035	19.2796
8 h after dark	17.63935	16.9239	18.3548
12 h after dark	20.0637	19.832	20.2954