condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.528605 0.0 3.17163 10 h after light 1.678755 0.0 6.53416 14 h after light 0.0 0.0 0.0 18 h after light 0.0 0.0 0.0 2 h after dark 0.6805083333333334 0.0 4.08305