condition	mean	min	max
4 h after light	528.0	528.0	528.0
8 h after light	541.9	512.5	571.3
12 h after light	526.8	509.1	544.5
4 h after dark	624.9	528.4	721.4
8 h after dark	896.55	806.8	986.3
12 h after dark	763.1	606.7	919.5