condition mean min max 3 h after light 4.270553333333334 3.18601 5.62403 6 h after light 5.27356 4.75132 6.29716 9 h after light 5.647186666666666 4.45584 6.53159 12 h after light 5.62902 3.83338 7.48452 3 h after dark 5.84257 4.83602 6.61616 6 h after dark 8.51676 8.00655 9.31682 9 h after dark 7.2014233333333335 6.2234 8.15372 12 h after dark 5.07033 4.18609 6.75207