condition	mean	min	max
4 h after light	20.63785	19.5204	21.7553
8 h after light	10.896149999999999	10.59	11.2023
12 h after light	10.321235000000001	9.94467	10.6978
4 h after dark	14.0192	12.5567	15.4817
8 h after dark	13.20205	13.0959	13.3082
12 h after dark	15.81695	15.1856	16.4483