condition mean min max 3 h after light 0.189339 0.0 0.568017 6 h after light 0.0 0.0 0.0 9 h after light 0.10656766666666667 0.0 0.319703 12 h after light 0.322663 0.0 0.967989 3 h after dark 0.331319 0.0 0.514844 6 h after dark 0.24440966666666666 0.0 0.733229 9 h after dark 0.13803 0.0 0.41409 12 h after dark 0.19168700000000002 0.0 0.575061