condition mean min max 4 h after light 5.56414 4.84556 6.28272 8 h after light 4.676275 4.58622 4.76633 12 h after light 3.359175 3.18607 3.53228 4 h after dark 4.821249999999999 4.15931 5.48319 8 h after dark 4.4168 4.22069 4.61291 12 h after dark 5.223834999999999 4.82546 5.62221