condition	mean	min	max
4 h after light	21.372296499999997	21.326217	21.418376
8 h after light	30.196572500000002	24.006772	36.386373
12 h after light	18.416828000000002	15.057592	21.776064
4 h after dark	22.2451385	18.864027	25.62625
8 h after dark	21.8957035	21.326217	22.46519
12 h after dark	19.238677	19.238677	19.238677