condition mean min max 4 h after light 2214.5 2214.5 2214.5 8 h after light 2155.8999999999996 1827.6 2484.2 12 h after light 1908.25 1680.2 2136.3 4 h after dark 2617.75 1725.9 3509.6 8 h after dark 3358.65 3339.0 3378.3 12 h after dark 3866.15 3686.3 4046.0