condition mean min max 2 h after light 0.036996 0.0 0.119431 6 h after light 0.031004183333333334 0.0 0.097793 10 h after light 0.02849725 0.0 0.090477 14 h after light 0.0 0.0 0.0 18 h after light 0.01872333333333333 0.0 0.11234 2 h after dark 0.08911048333333334 0.0 0.347474