condition mean min max 0 h after light 1.60458 1.03396 2.1752 4 h after light 3.5189250000000003 3.26595 3.7719 8 h after light 5.14046 4.80786 5.47306 4 h after dark 4.782405000000001 4.67123 4.89358 8 h after dark 4.038265 3.79956 4.27697 12 h after dark 3.06736 2.72722 3.4075