condition mean min max 0 h after light 2.583985 2.42478 2.74319 4 h after light 3.304045 2.63069 3.9774 8 h after light 5.177849999999999 4.92777 5.42793 4 h after dark 4.286475 3.81855 4.7544 8 h after dark 4.626194999999999 4.16684 5.08555 12 h after dark 3.7430849999999998 3.54524 3.94093