condition mean min max 4 h after light 11.648044 10.853633 12.442455 8 h after light 12.294170000000001 11.968685 12.619655 12 h after light 10.555756500000001 10.19866 10.912853 4 h after dark 13.0001985 11.485288 14.515109 8 h after dark 10.45121 9.417132 11.485288 12 h after dark 11.109271 11.109271 11.109271