condition	mean	min	max
4 h after light	551.9	551.9	551.9
8 h after light	523.4	483.7	563.1
12 h after light	432.8	245.0	620.6
4 h after dark	372.4	342.7	402.1
8 h after dark	483.45	478.9	488.0
12 h after dark	505.7	427.4	584.0