condition	mean	min	max
4 h after light	9.721115000000001	9.04543	10.3968
8 h after light	12.1336	11.1589	13.1083
12 h after light	16.557949999999998	16.0442	17.0717
4 h after dark	18.88935	18.4753	19.3034
8 h after dark	16.75505	16.555	16.9551
12 h after dark	16.25555	15.9554	16.5557