condition	mean	min	max
4 h after light	40.5811	36.0544	45.1078
8 h after light	36.2988	26.6712	45.9264
12 h after light	47.18165	44.983	49.3803
4 h after dark	69.63425000000001	68.7685	70.5
8 h after dark	58.518	56.5682	60.4678
12 h after dark	36.1867	34.916	37.4574