condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.02280436666666667 0.0 0.0684131 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.033139933333333337 0.0 0.0994198 12 h after dark 0.0 0.0 0.0