condition mean min max 0 h after light 9.259755 7.85311 10.6664 2 h after light 4.57881 3.79037 5.36725 4 h after light 4.846865 4.10073 5.593 8 h after light 4.6124849999999995 3.41082 5.81415 12 h after light 5.52224 5.01249 6.03199 2 h after dark 7.959355 7.22934 8.68937 4 h after dark 7.655329999999999 7.47732 7.83334 8 h after dark 11.66815 11.4746 11.8617 12 h after dark 9.984005 7.91271 12.0553