condition	mean	min	max
4 h after light	618.9	618.9	618.9
8 h after light	653.25	621.0	685.5
12 h after light	616.55	604.5	628.6
4 h after dark	616.2	608.3	624.1
8 h after dark	673.4000000000001	608.2	738.6
12 h after dark	633.45	595.3	671.6