condition mean min max 3 h after light 0.041913 0.0 0.125739 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0818435 0.0 0.117351 3 h after dark 0.05429033333333333 0.0 0.162871 6 h after dark 0.043003000000000006 0.0 0.129009 9 h after dark 0.055793 0.0 0.167379 12 h after dark 0.0641115 0.0 0.128223