condition mean min max 4 h after light 2393.7 2393.7 2393.7 8 h after light 2487.45 2426.2 2548.7 12 h after light 2134.9 1962.8 2307.0 4 h after dark 1946.2 1712.9 2179.5 8 h after dark 2315.5 2252.1 2378.9 12 h after dark 2371.8999999999996 2288.6 2455.2