condition mean min max 0 h after light 14.15445 13.3663 14.9426 4 h after light 14.08005 13.7514 14.4087 8 h after light 13.60935 13.4155 13.8032 4 h after dark 19.06765 16.5519 21.5834 8 h after dark 21.46995 18.5061 24.4338 12 h after dark 20.150199999999998 17.0239 23.2765