condition	mean	min	max
4 h after light	750.3	750.3	750.3
8 h after light	837.95	742.6	933.3
12 h after light	779.3	731.9	826.7
4 h after dark	672.65	647.0	698.3
8 h after dark	638.85	619.7	658.0
12 h after dark	720.1	719.5	720.7