condition mean min max 4 h after light 0.38297749999999997 0.190374 0.575581 8 h after light 0.17904 0.10363 0.25445 12 h after light 0.1683175 0.167882 0.168753 4 h after dark 0.56607 0.523708 0.608432 8 h after dark 0.497059 0.421272 0.572846 12 h after dark 0.575384 0.400234 0.750534