condition	mean	min	max
4 h after light	1952.4	1952.4	1952.4
8 h after light	1718.5500000000002	1466.7	1970.4
12 h after light	1426.4499999999998	1322.3	1530.6
4 h after dark	1577.45	1537.9	1617.0
8 h after dark	2187.45	1713.4	2661.5
12 h after dark	3027.05	2631.2	3422.9