condition mean min max 4 h after light 3008.7 3008.7 3008.7 8 h after light 2670.2 2587.3 2753.1 12 h after light 2394.45 2317.5 2471.4 4 h after dark 2252.3 2161.1 2343.5 8 h after dark 2139.8999999999996 2034.1 2245.7 12 h after dark 2213.8999999999996 1986.6 2441.2