condition mean min max 4 h after light 1.9448509999999999 0.937243 3.48128 8 h after light 1.3301083333333334 0.196845 2.65973 12 h after light 2.4647 1.6779 3.07666 4 h after dark 2.77722 1.83988 3.81085 8 h after dark 2.020366666666667 1.56207 2.92778 12 h after dark 2.99518 2.04843 3.96864