condition mean min max 4 h after light 160.705178 155.817848 165.592508 8 h after light 138.1863405 115.729368 160.643313 12 h after light 144.1717625 107.776018 180.567507 4 h after dark 179.317969 130.848545 227.787393 8 h after dark 163.6141515 137.838415 189.389888 12 h after dark 160.643313 160.643313 160.643313