condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.01549805 0.0 0.0929883 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.0 0.0 0.0 2 h after dark 0.018677333333333334 0.0 0.112064