condition	mean	min	max
4 h after light	321.1385	315.031	327.246
8 h after light	163.9385	160.639	167.238
12 h after light	99.3844	98.8839	99.8849
4 h after dark	124.625	113.428	135.822
8 h after dark	225.256	223.683	226.829
12 h after dark	307.756	300.631	314.881