condition mean min max 4 h after light 0.9499523333333333 0.478177 1.20408 8 h after light 0.631258 0.22513 0.942463 12 h after light 0.37463766666666665 0.18741 0.490799 4 h after dark 0.5274920000000001 0.410011 0.651819 8 h after dark 0.0 0.0 0.0 12 h after dark 1.0963046666666667 0.836004 1.32771