condition	mean	min	max
4 h after light	12.488186666666667	12.306339999999999	12.62296
8 h after light	12.33485	12.17022	12.43517
12 h after light	12.38565	12.17582	12.4919
4 h after dark	12.491416666666668	12.214310000000001	12.66549
8 h after dark	12.61022	12.46422	12.691189999999999
12 h after dark	12.546793333333333	12.50362	12.61789