Board Thread:Questions and Answers/@comment-217.41.69.84-20121231133829/@comment-5739456-20121231160602

The Light levels go like this (L=Light):

Sunlight, Beacons, End Portals, Fire, Glowstone, Jack 'o' Lanterns, Lava, Locked Chests, Redstone Lamps (L=15), Torch (L=14), Furnace fronts when active, Jack 'o' Lantern Sides (L=13), Sunlight When Rainy, Glowing Obsidian (L=12), Nether Portals (L=11), Touched Redstone Ore, Redstone Repeaters (L=9), Ender Chests {The Ones in 1.3.2, not tekkit}, Redstone Torches, Sunlight When in a Thunderstorm, (L=7), Moonlight, (L=4), Brewing Stands, Ladders, Mushrooms, The Dragon Egg and The End Portal Frame (L=1)

I Got this info Here.