condition mean min max 3 h after light 54.639833333333335 46.9734 65.9033 6 h after light 48.3351 33.9267 60.4928 9 h after light 52.4806 50.1034 56.4555 12 h after light 56.667125 51.5259 62.5067 3 h after dark 54.5131 51.3111 59.0812 6 h after dark 45.4179 42.2147 49.4133 9 h after dark 41.616566666666664 36.12 45.2177 12 h after dark 41.969899999999996 38.1115 45.8283