condition	mean	min	max
4 h after light	13.0808	10.6354	15.5262
8 h after light	14.91615	14.513	15.3193
12 h after light	16.24295	15.1518	17.3341
4 h after dark	20.068366666666666	19.6657	20.4901
8 h after dark	20.340033333333334	18.6854	21.7273
12 h after dark	15.229099999999999	14.6154	16.0932