condition mean min max 4 h after light 1.0372805 0.536371 1.53819 8 h after light 1.268875 1.22387 1.31388 12 h after light 1.0878565 0.736743 1.43897 4 h after dark 1.70615 1.40492 2.00738 8 h after dark 2.384325 1.98385 2.7848 12 h after dark 1.7816100000000001 1.24137 2.32185