condition mean min max 4 h after light 9.566551666666667 2.78956 22.83782 8 h after light 2.24174 1.879268 2.522364 12 h after light 2.131554 1.367011 2.714468 16 h after light 5.917827 3.37431 8.255322 4 h after dark 4.646025333333333 2.1613439999999997 6.416291 8 h after dark 2.4127386666666664 1.5526229999999999 3.7355519999999998