condition mean min max 4 h after light 4698.6 4698.6 4698.6 8 h after light 5699.9 5016.8 6383.0 12 h after light 5332.1 5147.9 5516.3 4 h after dark 5122.9 4296.8 5949.0 8 h after dark 4758.549999999999 4422.4 5094.7 12 h after dark 4569.1 3843.5 5294.7