condition	mean	min	max
0 h after light	22.412599999999998	21.5425	23.2827
4 h after light	11.1463	10.7604	11.5322
8 h after light	7.45538	6.91261	7.99815
4 h after dark	14.5596	13.974	15.1452
8 h after dark	20.667	20.3939	20.9401
12 h after dark	18.8089	18.3223	19.2955