condition mean min max 2 h after light 0.091516 0.0 0.30821 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.07814566666666667 0.0 0.254739 18 h after light 0.06732783333333334 0.0 0.223456 2 h after dark 0.0 0.0 0.0