condition mean min max 3 h after light 11.137905 6.33584 21.1689 7 h after light 10.0233575 5.464 17.5921 11 h after light 11.692493333333333 7.8389 17.023 2 h after dark 12.636998333333333 6.31509 21.9419 6 h after dark 11.008754166666666 4.97408 15.0412 10 h after dark 10.395090833333333 3.77998 16.2476