condition	mean	min	max
4 h after light	1534.9	1534.9	1534.9
8 h after light	1561.6	1362.7	1760.5
12 h after light	2303.2	1627.2	2979.2
4 h after dark	2180.2	1995.5	2364.9
8 h after dark	1747.55	1427.0	2068.1
12 h after dark	1394.05	1204.6	1583.5