condition mean min max 4 h after light 2754.7 2754.7 2754.7 8 h after light 2666.1000000000004 2548.9 2783.3 12 h after light 2419.45 2337.9 2501.0 4 h after dark 2525.05 2243.0 2807.1 8 h after dark 2316.45 2132.1 2500.8 12 h after dark 2308.05 2257.7 2358.4