condition	mean	min	max
4 h after light	1493.6	1493.6	1493.6
8 h after light	1566.75	1434.7	1698.8
12 h after light	1558.25	1499.7	1616.8
4 h after dark	1281.6	1252.0	1311.2
8 h after dark	1601.4	1198.1	2004.7
12 h after dark	1587.1	1263.1	1911.1