condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.230475 0.0 0.46095 12 h after light 0.6224635000000001 0.517239 0.727688 4 h after dark 0.7536723333333334 0.664174 0.867437 8 h after dark 0.24552766666666667 0.0 0.736553 12 h after dark 0.861571 0.0 1.93993