condition mean min max 0 h after light 3.645245 3.09662 4.19387 2 h after light 3.010705 2.01867 4.00274 4 h after light 2.72492 1.82694 3.6229 8 h after light 2.2134549999999997 2.06322 2.36369 12 h after light 2.92112 2.30749 3.53475 2 h after dark 2.631705 2.46814 2.79527 4 h after dark 2.980905 2.88955 3.07226 8 h after dark 3.73395 2.80886 4.65904 12 h after dark 3.391965 3.09222 3.69171