condition mean min max 4 h after light 129.458284 116.300472 142.616096 8 h after light 136.1044395 120.681447 151.527432 12 h after light 114.36805749999999 113.334577 115.401538 4 h after dark 156.842436 140.991277 172.693595 8 h after dark 136.34329150000002 129.223757 143.462826 12 h after dark 159.03663 159.03663 159.03663