condition mean min max 4 h after light 11.743452 10.88148 12.605424 8 h after light 10.728478500000001 10.267509 11.189448 12 h after light 10.850348 10.295628 11.405068 4 h after dark 13.427886 10.936724 15.919048 8 h after dark 11.9051785 11.77568 12.034677 12 h after dark 9.538025 9.538025 9.538025