condition	mean	min	max
4 h after light	1263.7	1263.7	1263.7
8 h after light	1077.8	1056.1	1099.5
12 h after light	1109.0	954.3	1263.7
4 h after dark	1493.25	1009.1	1977.4
8 h after dark	1604.95	1563.2	1646.7
12 h after dark	1446.45	1366.2	1526.7