condition	mean	min	max
3 h after light	7.21748	6.5787	7.83504
6 h after light	13.360006666666667	9.99562	16.3601
9 h after light	17.616500000000002	14.9112	20.9446
12 h after light	17.723775	11.2266	20.2763
3 h after dark	19.6137	17.698	21.9913
6 h after dark	12.98699	9.72437	16.7579
9 h after dark	8.867626666666666	8.53275	9.08398
12 h after dark	7.7002	7.02393	8.37647