condition mean min max 0 h after light 2.12248 1.47103 2.77393 4 h after light 1.94812 1.76337 2.13287 8 h after light 3.4322850000000003 3.25315 3.61142 4 h after dark 3.448925 3.3144 3.58345 8 h after dark 2.8241899999999998 2.81234 2.83604 12 h after dark 2.60083 2.07396 3.1277