condition mean min max 3 h after light 6.611776666666667 3.92739 9.71317 6 h after light 6.825130000000001 4.36509 8.63854 9 h after light 11.46389 6.71417 14.495 12 h after light 13.44995 6.1687 18.6255 3 h after dark 10.501016666666667 9.25087 12.3681 6 h after dark 10.149043333333333 9.46355 11.471 9 h after dark 6.109303333333333 4.96445 7.15598 12 h after dark 4.38961 4.17893 4.60029