condition mean min max 4 h after light 5.83597 4.92191 6.75003 8 h after light 5.459495 5.39384 5.52515 12 h after light 3.667375 3.08115 4.2536 4 h after dark 6.93389 6.33317 7.70191 8 h after dark 5.827403333333333 5.63469 6.13906 12 h after dark 5.1836899999999995 5.05819 5.32316