condition	mean	min	max
0 h after light	17.484949999999998	16.5231	18.4468
4 h after light	14.003499999999999	13.8547	14.1523
8 h after light	11.367049999999999	10.2524	12.4817
4 h after dark	13.511199999999999	11.8294	15.193
8 h after dark	19.29335	18.5953	19.9914
12 h after dark	17.82745	16.9077	18.7472