condition mean min max 4 h after light 2386.2 2386.2 2386.2 8 h after light 3062.6000000000004 2482.8 3642.4 12 h after light 3059.2 2512.9 3605.5 4 h after dark 2506.6499999999996 2496.7 2516.6 8 h after dark 2239.5 2199.7 2279.3 12 h after dark 1625.6 1251.6 1999.6