condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.27399333333333337 0.0 0.82198 3 h after dark 0.30245099999999997 0.0 0.907353 6 h after dark 0.5797433333333334 0.0 1.73923 9 h after dark 1.3420233333333333 0.0 2.91914 12 h after dark 0.0 0.0 0.0