condition mean min max 0 h after light 1.124103 0.996096 1.25211 4 h after light 1.6315485 0.975617 2.28748 8 h after light 3.45137 3.18643 3.71631 4 h after dark 4.058025 3.63115 4.4849 8 h after dark 2.6968 2.32126 3.07234 12 h after dark 1.086097 0.625214 1.54698