condition mean min max 4 h after light 42.6656 40.5756 44.7556 8 h after light 43.25075 42.0829 44.4186 12 h after light 43.021249999999995 41.0837 44.9588 4 h after dark 44.072500000000005 40.4022 47.7428 8 h after dark 45.99565 44.6725 47.3188 12 h after dark 46.7885 46.3073 47.2697