condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.5161163333333334 0.0 1.41273 12 h after light 0.29678166666666667 0.0 0.740166 4 h after dark 0.0 0.0 0.0 8 h after dark 0.12297233333333334 0.0 0.368917 12 h after dark 0.087804 0.0 0.263412