condition mean min max 2 h after light 1.4789583333333334 0.0 4.74184 6 h after light 0.6382516666666667 0.0 3.82951 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 0.0 0.0 0.0