condition	mean	min	max
4 h after light	252.7	252.7	252.7
8 h after light	265.0	237.0	293.0
12 h after light	239.8	215.3	264.3
4 h after dark	228.8	222.1	235.5
8 h after dark	294.35	234.1	354.6
12 h after dark	256.45	253.6	259.3