condition mean min max 4 h after light 278.5 278.5 278.5 8 h after light 241.1 181.0 301.2 12 h after light 113.45 55.0 171.9 4 h after dark 78.80000000000001 67.2 90.4 8 h after dark 175.3 149.7 200.9 12 h after dark 347.3 274.1 420.5