condition mean min max 0 h after light 5.599135 5.31941 5.87886 4 h after light 1.42108 1.15938 1.68278 8 h after light 3.318595 2.50955 4.12764 4 h after dark 3.63742 2.80481 4.47003 8 h after dark 1.4062999999999999 1.31842 1.49418 12 h after dark 3.19687 2.03787 4.35587