condition	mean	min	max
4 h after light	36.08295	32.6438	39.5221
8 h after light	58.08945	57.456	58.7229
12 h after light	34.5962	34.529	34.6634
4 h after dark	69.1037	65.1912	73.0162
8 h after dark	51.5898	49.763	53.4166
12 h after dark	46.1773	45.7276	46.627