condition mean min max 4 h after light 11.426782 11.319619 11.533945 8 h after light 11.6914355 11.069049 12.313822 12 h after light 11.794352499999999 11.724393 11.864312 4 h after dark 12.194311 12.038811 12.349811 8 h after dark 11.1681795 10.802414 11.533945 12 h after dark 10.88138 10.88138 10.88138