condition mean min max 4 h after light 2609.0 2609.0 2609.0 8 h after light 2417.95 2156.6 2679.3 12 h after light 2527.6 2248.1 2807.1 4 h after dark 2303.1499999999996 2097.1 2509.2 8 h after dark 1981.95 1853.5 2110.4 12 h after dark 2200.45 1949.6 2451.3