condition mean min max 4 h after light 6346.0 6346.0 6346.0 8 h after light 5817.15 4185.9 7448.4 12 h after light 3291.0 1528.8 5053.2 4 h after dark 1468.4 933.1 2003.7 8 h after dark 1581.35 1203.9 1958.8 12 h after dark 3408.6499999999996 2115.9 4701.4