condition	mean	min	max
4 h after light	15.0613	12.5529	17.5697
8 h after light	13.386700000000001	13.0175	13.7559
12 h after light	18.125999999999998	16.6621	19.5899
4 h after dark	23.9558	22.6056	25.306
8 h after dark	23.6203	22.7465	24.4941
12 h after dark	20.5559	19.7433	21.3685