condition	mean	min	max
4 h after light	34.89945	32.2944	37.5045
8 h after light	29.771	29.5729	29.9691
12 h after light	148.583	145.615	151.551
4 h after dark	155.3295	154.003	156.656
8 h after dark	110.1695	109.111	111.228
12 h after dark	67.27755	65.3619	69.1932