condition mean min max 4 h after light 137.0867965 108.298199 165.875394 8 h after light 134.429383 132.397345 136.461421 12 h after light 128.07309600000002 120.96689 135.179302 4 h after dark 158.9039675 133.909278 183.898657 8 h after dark 131.71248350000002 119.962141 143.462826 12 h after dark 125.675338 125.675338 125.675338