condition mean min max 3 h after light 3.87629 3.34859 4.32804 6 h after light 3.4072566666666666 2.44774 4.2194 9 h after light 6.33591 5.12648 8.74756 12 h after light 8.45393 2.67327 11.2748 3 h after dark 10.9053 10.6625 11.3108 6 h after dark 5.17972 4.51924 5.82035 9 h after dark 2.7419366666666667 2.36592 3.46844 12 h after dark 1.9158300000000001 1.60231 2.22935