condition mean min max 3 h after light 9.312593333333334 8.21087 10.4075 6 h after light 10.9338 7.3055 14.1266 9 h after light 19.181533333333334 16.0263 23.2774 12 h after light 23.722895 5.46518 31.3151 3 h after dark 21.438433333333332 20.3708 23.1109 6 h after dark 9.87485 8.53097 11.65 9 h after dark 5.08821 4.51955 6.00161 12 h after dark 3.3796299999999997 3.191 3.56826