condition mean min max 4 h after light 5201.9 5201.9 5201.9 8 h after light 5614.25 4993.8 6234.7 12 h after light 5231.85 4609.9 5853.8 4 h after dark 5641.799999999999 5373.9 5909.7 8 h after dark 5528.75 4699.1 6358.4 12 h after dark 4283.25 2929.0 5637.5