condition mean min max 4 h after light 9.527495 8.44159 10.6134 8 h after light 11.98305 11.8108 12.1553 12 h after light 11.295300000000001 11.0281 11.5625 4 h after dark 10.895066666666667 10.7493 11.0671 8 h after dark 11.3264 11.0649 11.5478 12 h after dark 8.888346666666667 8.4408 9.15613