condition mean min max 4 h after light 0.022419933333333333 0.0 0.0672598 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.043812333333333335 0.0 0.131437 12 h after dark 0.0 0.0 0.0