condition mean min max 4 h after light 2891.262413 2442.663975 3339.860851 8 h after light 1672.3901664999999 774.650929 2570.129404 12 h after light 896.7139845 877.123594 916.304375 4 h after dark 545.0433725 542.092498 547.994247 8 h after dark 667.1770875 653.616672 680.737503 12 h after dark 2705.045044 2705.045044 2705.045044