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 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.011741616666666668 0.0 0.0704497 2 h after dark 0.013386833333333334 0.0 0.080321