condition mean min max 4 h after light 2227.0 2227.0 2227.0 8 h after light 2299.0 2239.1 2358.9 12 h after light 2485.75 2377.9 2593.6 4 h after dark 2642.45 2518.1 2766.8 8 h after dark 2521.3999999999996 2275.7 2767.1 12 h after dark 2414.75 2406.9 2422.6