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 0.056564166666666665 0.0 0.339385 14 h after light 0.06676083333333334 0.0 0.400565 18 h after light 0.05498716666666667 0.0 0.329923 2 h after dark 0.0 0.0 0.0