condition mean min max 4 h after light 4.959705 4.25476 5.66465 8 h after light 4.189815 3.83971 4.53992 12 h after light 3.880025 3.68564 4.07441 4 h after dark 4.754683333333333 4.46748 5.13195 8 h after dark 4.90658 4.56916 5.56666 12 h after dark 3.9007133333333335 3.48165 4.14683