condition	mean	min	max
4 h after light	21.824849999999998	20.2346	23.4151
8 h after light	16.51075	15.8175	17.204
12 h after light	18.77385	18.5805	18.9672
4 h after dark	22.916249999999998	22.4352	23.3973
8 h after dark	27.5258	26.8138	28.2378
12 h after dark	24.617150000000002	24.5207	24.7136