condition mean min max 4 h after light 0.0687985 0.0 0.137597 8 h after light 0.167221 0.0 0.334442 12 h after light 0.0 0.0 0.0 4 h after dark 0.120725 0.0 0.24145 8 h after dark 0.11874799999999999 0.118223 0.119273 12 h after dark 0.2750005 0.197729 0.352272