condition mean min max 4 h after light 3066.0 3066.0 3066.0 8 h after light 2586.8 2467.9 2705.7 12 h after light 2434.5 2316.9 2552.1 4 h after dark 2629.2 2324.8 2933.6 8 h after dark 3404.2 3147.5 3660.9 12 h after dark 2838.8500000000004 2645.8 3031.9