condition mean min max 4 h after light 12.8321285 12.388192 13.276065 8 h after light 11.560481 11.342115 11.778847 12 h after light 14.376831500000002 14.022346 14.731317 4 h after dark 11.5348565 11.278285 11.791428 8 h after dark 11.7454795 10.967808 12.523151 12 h after dark 11.556367 11.556367 11.556367