condition	mean	min	max
4 h after light	25.84235	22.1916	29.4931
8 h after light	12.50245	11.4089	13.596
12 h after light	4.178285	3.74243	4.61414
4 h after dark	1.70746	1.69384	1.72108
8 h after dark	1.832905	1.70977	1.95604
12 h after dark	8.218689999999999	8.13595	8.30143