condition	mean	min	max
0 h after light	11.97965	11.9474	12.0119
4 h after light	13.611899999999999	13.3235	13.9003
8 h after light	15.4987	14.1052	16.8922
4 h after dark	16.509149999999998	15.1679	17.8504
8 h after dark	17.012	16.6167	17.4073
12 h after dark	12.948250000000002	11.396	14.5005