condition mean min max 4 h after light 2311.9 2311.9 2311.9 8 h after light 2144.1 2100.7 2187.5 12 h after light 2511.55 2483.6 2539.5 4 h after dark 1722.05 1200.5 2243.6 8 h after dark 1489.5 1200.6 1778.4 12 h after dark 1708.3000000000002 1567.9 1848.7