condition mean min max 4 h after light 3.43843 1.70051 5.25859 8 h after light 4.672279666666666 0.784179 7.27666 12 h after light 3.4710533333333333 2.28226 4.51011 4 h after dark 5.1276 4.02895 6.60576 8 h after dark 4.05551 2.66118 5.09334 12 h after dark 3.45737 2.95596 4.2907