condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.07078583333333334 0.0 0.424715 14 h after light 0.0 0.0 0.0 18 h after light 0.0687755 0.0 0.412653 2 h after dark 0.0 0.0 0.0