condition	mean	min	max
4 h after light	54.203148	54.098966	54.30733
8 h after light	78.2596355	61.331136	95.188135
12 h after light	81.657134	74.316309	88.997959
4 h after dark	64.8817085	51.684186	78.079231
8 h after dark	67.6662915	47.641671	87.690912
12 h after dark	45.849563	45.849563	45.849563