condition mean min max 4 h after light 15.6996 11.9173 19.2122 8 h after light 17.88748 5.07544 28.7391 12 h after light 24.4233 14.5546 35.357 4 h after dark 29.833833333333335 23.4776 34.9363 8 h after dark 28.71003333333333 22.0718 33.7108 12 h after dark 24.7288 22.5815 27.1763