condition mean min max 3 h after light 0.9183920000000001 0.609036 1.11247 6 h after light 0.888908 0.85413 0.918649 9 h after light 0.7908956666666667 0.494806 1.27399 12 h after light 1.3701265 0.842766 1.94713 3 h after dark 1.0137123333333333 0.418087 1.57778 6 h after dark 0.8874323333333333 0.541801 1.49562 9 h after dark 0.841456 0.270243 1.33268 12 h after dark 0.322392 0.0 0.644784