condition mean min max 3 h after light 15.940233333333333 13.8747 17.9601 6 h after light 16.929000000000002 14.0238 20.0839 9 h after light 16.41 15.4655 17.6634 12 h after light 17.94435 15.7849 21.4143 3 h after dark 13.839333333333334 13.3488 14.1245 6 h after dark 13.876033333333334 11.5343 15.9173 9 h after dark 13.787066666666668 12.8527 14.8633 12 h after dark 17.907449999999997 17.1557 18.6592