condition	mean	min	max
4 h after light	6.90591	5.44871	8.36311
8 h after light	10.565750000000001	10.2391	10.8924
12 h after light	22.6552	20.2969	25.0135
4 h after dark	46.5607	41.9518	51.1696
8 h after dark	27.37695	25.5507	29.2032
12 h after dark	21.5054	20.6572	22.3536