condition mean min max 4 h after light 2282.0 2282.0 2282.0 8 h after light 2377.55 2288.2 2466.9 12 h after light 2512.0 2484.4 2539.6 4 h after dark 2564.2 2497.9 2630.5 8 h after dark 2536.05 2091.8 2980.3 12 h after dark 2175.2 1923.0 2427.4