condition	mean	min	max
4 h after light	521.3	521.3	521.3
8 h after light	629.05	493.1	765.0
12 h after light	747.95	589.0	906.9
4 h after dark	734.85	647.6	822.1
8 h after dark	659.95	642.5	677.4
12 h after dark	606.45	571.6	641.3