condition mean min max 3 h after light 1.5198698333333334 0.0 3.00195 7 h after light 2.784626 0.0 5.16583 11 h after light 2.7670658333333336 0.0 4.77301 2 h after dark 2.8143716666666667 0.0 5.05175 6 h after dark 2.1054985833333335 0.0 5.84144 10 h after dark 1.92315275 0.0 3.53022