condition	mean	min	max
4 h after light	5.49131	5.46996	5.51266
8 h after light	6.420235	6.30775	6.53272
12 h after light	6.478025000000001	6.1965	6.75955
4 h after dark	9.038575000000002	8.01875	10.0584
8 h after dark	7.4164200000000005	7.10493	7.72791
12 h after dark	6.039055	5.63297	6.44514