condition	mean	min	max
4 h after light	661.8	661.8	661.8
8 h after light	655.1	555.0	755.2
12 h after light	542.9	485.9	599.9
4 h after dark	638.2	604.2	672.2
8 h after dark	768.45	737.1	799.8
12 h after dark	796.2	779.8	812.6