condition	mean	min	max
2 h after light	19.6725	19.2455	19.9265
6 h after light	20.50423333333333	19.8073	21.2202
10 h after light	22.9849	22.6684	23.3281
2 h after dark	21.4051	19.7269	22.695
6 h after dark	16.5717	16.2991	16.9198
10 h after dark	17.5419	17.1227	17.801