condition	mean	min	max
4 h after light	1346.3	1346.3	1346.3
8 h after light	1498.6	1486.0	1511.2
12 h after light	1624.65	1445.3	1804.0
4 h after dark	1593.1	1304.8	1881.4
8 h after dark	1630.45	1554.4	1706.5
12 h after dark	1691.05	1590.3	1791.8