condition mean min max 3 h after light 0.267178 0.149258 0.374935 6 h after light 0.517682 0.186307 1.07173 9 h after light 0.4733023333333333 0.154966 0.773772 12 h after light 0.7223663333333333 0.596825 0.85193 3 h after dark 0.7504653333333333 0.566395 0.947081 6 h after dark 1.1624539999999999 0.564652 1.6199 9 h after dark 0.6990653333333333 0.364442 1.04178 12 h after dark 0.553627 0.355864 0.672376