condition mean min max 4 h after light 1.7781420000000001 0.616534 2.93975 8 h after light 2.02617 1.76014 2.2922 12 h after light 1.667835 1.31821 2.01746 4 h after dark 2.85973 1.91779 4.67007 8 h after dark 1.0098426666666667 0.0 2.6115 12 h after dark 1.8843779999999999 0.418614 3.07802