condition mean min max 0 h after light 8.75642 8.03482 9.47802 2 h after light 4.1735999999999995 3.9282 4.419 4 h after light 5.36805 4.90254 5.83356 8 h after light 4.18641 3.98846 4.38436 12 h after light 4.290215 4.00309 4.57734 2 h after dark 5.07192 4.66155 5.48229 4 h after dark 5.31911 4.77856 5.85966 8 h after dark 8.377225 7.80035 8.9541 12 h after dark 9.122305 8.75048 9.49413