condition	mean	min	max
4 h after light	16.025283	12.420143	19.630423
8 h after light	13.985217	11.358608	16.611826
12 h after light	23.0607435	20.506996	25.614491
4 h after dark	26.4708175	18.69173	34.249905
8 h after dark	66.1594245	49.884392	82.434457
12 h after dark	9.844154	9.844154	9.844154