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 0.0886144 0.0397121 0.138645 12 h after light 0.014039066666666667 0.0 0.0421172 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.021088333333333334 0.0 0.063265