condition	mean	min	max
4 h after light	2019.2	2019.2	2019.2
8 h after light	1498.9	1305.8	1692.0
12 h after light	1300.3000000000002	1247.2	1353.4
4 h after dark	1485.6	1480.8	1490.4
8 h after dark	1274.8000000000002	1211.4	1338.2
12 h after dark	1482.85	1251.6	1714.1