condition mean min max 4 h after light 0.3798635 0.310159 0.449568 8 h after light 1.019256 0.860192 1.17832 12 h after light 0.5489045 0.381797 0.716012 4 h after dark 0.47659133333333337 0.346453 0.679046 8 h after dark 0.13981 0.0 0.239817 12 h after dark 0.38622266666666666 0.0 0.740111