condition	mean	min	max
4 h after light	509.0	509.0	509.0
8 h after light	428.35	337.1	519.6
12 h after light	157.8	13.0	302.6
4 h after dark	77.45	74.7	80.2
8 h after dark	50.8	50.6	51.0
12 h after dark	32.300000000000004	6.9	57.7