condition mean min max 3 h after light 0.8309496666666667 0.236139 1.14364 6 h after light 1.9473433333333334 1.17524 3.27809 9 h after light 1.619133 0.665239 2.26075 12 h after light 1.3301175 1.09087 1.73136 3 h after dark 1.4059023333333334 0.573067 2.40294 6 h after dark 2.1173233333333332 1.50335 3.1356 9 h after dark 1.8324799999999999 1.54368 2.34861 12 h after dark 1.45133 1.13506 1.7676