condition mean min max 4 h after light 3197.2 3197.2 3197.2 8 h after light 3968.5499999999997 2839.2 5097.9 12 h after light 2709.45 1785.0 3633.9 4 h after dark 2249.6 2248.5 2250.7 8 h after dark 3175.15 1742.8 4607.5 12 h after dark 2268.8 2149.0 2388.6