condition	mean	min	max
4 h after light	11.601521	8.604053	15.60235
8 h after light	8.069066666666668	5.04534	11.12996
12 h after light	11.081811	7.509722999999999	14.89166
16 h after light	15.937463333333334	13.15536	18.223570000000002
4 h after dark	14.90997	13.06199	16.19758
8 h after dark	12.045843333333334	10.29911	15.20977