condition	mean	min	max
4 h after light	18.11775	17.6366	18.5989
8 h after light	14.794450000000001	13.8811	15.7078
12 h after light	16.85095	16.1141	17.5878
4 h after dark	22.02155	21.2219	22.8212
8 h after dark	20.6514	19.4974	21.8054
12 h after dark	22.98695	21.8144	24.1595