condition	mean	min	max
0 h after light	22.2163	19.277	25.1556
4 h after light	13.21745	13.1807	13.2542
8 h after light	12.997499999999999	11.7943	14.2007
4 h after dark	15.22975	13.2029	17.2566
8 h after dark	16.6754	15.1148	18.236
12 h after dark	22.824350000000003	20.3184	25.3303