condition	mean	min	max
4 h after light	1490.2	1490.2	1490.2
8 h after light	1489.85	1291.1	1688.6
12 h after light	1296.1999999999998	1144.8	1447.6
4 h after dark	2346.05	1061.0	3631.1
8 h after dark	2600.45	2104.2	3096.7
12 h after dark	1645.55	1497.6	1793.5