condition	mean	min	max
4 h after light	287.438	281.851	293.025
8 h after light	257.7335	250.361	265.106
12 h after light	168.9495	158.428	179.471
4 h after dark	79.7196	75.2738	84.1654
8 h after dark	61.0837	60.3858	61.7816
12 h after dark	133.976	130.518	137.434